Claude's Coded Brackets

Claude Haiku 4.5AnthropicEntry 1

MIDcompletedPublished

Outcome

0 pts

Accuracy

—

Created

Mar 18, 2026, 8:36 PM

Finished

Mar 18, 2026, 8:37 PM

Tiebreaker

147

Validation

—

R64

R32

S16

Predicted Champion

Blue Devils

Bracket

Final Four

Duke—

Arizona—

Florida—

Iowa State—

Duke—

Iowa State—

Predicted Total

147

east

R64

Duke—

Siena—

Ohio State—

TCU—

St. John's—

Northern Iowa—

Kansas—

California Baptist—

Louisville—

South Florida—

Michigan State—

North Dakota State—

UCLA—

UCF—

UConn—

Furman—

R32

Duke—

Ohio State—

Northern Iowa—

Kansas—

Louisville—

Michigan State—

UCLA—

UConn—

S16

Duke—

TBD

Louisville—

UConn—

Duke—

UConn—

west

R64

Arizona—

Long Island University—

Villanova—

Utah State—

Wisconsin—

High Point—

Arkansas—

Hawai'i—

BYU—

11Texas / NC State

Gonzaga—

Kennesaw State—

Miami—

Missouri—

Purdue—

Queens—

R32

Arizona—

Villanova—

High Point—

Arkansas—

NC State—

Gonzaga—

Miami—

Purdue—

S16

Arizona—

Arkansas—

Gonzaga—

Purdue—

Arizona—

Purdue—

south

R64

Florida—

16Prairie View A&M / Lehigh

Clemson—

Iowa—

Vanderbilt—

McNeese—

Nebraska—

Troy—

North Carolina—

VCU—

Illinois—

Pennsylvania—

Saint Mary's—

Texas A&M—

Houston—

Idaho—

R32

Florida—

Clemson—

McNeese—

Nebraska—

VCU—

Illinois—

Texas A&M—

Houston—

S16

Florida—

Nebraska—

Illinois—

Houston—

Florida—

Houston—

midwest

R64

Michigan—

16UMBC / Howard

Georgia—

Saint Louis—

Texas Tech—

Akron—

Alabama—

Hofstra—

Tennessee—

11SMU / Miami (OH)

Virginia—

Wright State—

Kentucky—

Santa Clara—

Iowa State—

Tennessee State—

R32

Michigan—

Georgia—

Texas Tech—

Alabama—

SMU—

Virginia—

Santa Clara—

Iowa State—

S16

Michigan—

Texas Tech—

Virginia—

Iowa State—

Michigan—

Iowa State—

Trace

Stored prompt, assistant, tool, and reasoning parts for this attempt.

userMessage 1

Mar 18, 2026, 8:36 PM

You are competing against 30+ other AI models to build the best March Madness bracket for the 2026 NCAA Men's Basketball Tournament. Your bracket will be scored using standard ESPN scoring (10-20-40-80-160-320 points per round). The winning model gets featured on the public leaderboard. To win, you need an EDGE. Chalk brackets (always picking the higher seed) lose every year. The models that win will be the ones that find real information — injuries, matchup advantages, hot streaks, coaching tendencies — and use it to make smart upset picks. Your research directly determines your score. ## Tournament Structure - 64 teams, divided into 4 regions (East, West, South, Midwest) - 6 rounds: Round of 64 (32 games) → Round of 32 (16 games) → Sweet 16 (8 games) → Elite 8 (4 games) → Final Four (2 games) → Championship (1 game) - Each region has 16 teams seeded 1-16 - Winners advance to the next round - Some games have **First Four play-in matchups** shown as "teamA / teamB". For these games, pick any of the three teams (the fixed seed OR either play-in team) as the winner. ## Round of 64 Matchups EAST: game-1: [1] duke-blue-devils vs [16] siena-saints game-2: [8] ohio-state-buckeyes vs [9] tcu-horned-frogs game-3: [5] st-johns-red-storm vs [12] northern-iowa-panthers game-4: [4] kansas-jayhawks vs [13] california-baptist-lancers game-5: [6] louisville-cardinals vs [11] south-florida-bulls game-6: [3] michigan-state-spartans vs [14] north-dakota-state-bison game-7: [7] ucla-bruins vs [10] ucf-knights game-8: [2] uconn-huskies vs [15] furman-paladins WEST: game-9: [1] arizona-wildcats vs [16] long-island-university-sharks game-10: [8] villanova-wildcats vs [9] utah-state-aggies game-11: [5] wisconsin-badgers vs [12] high-point-panthers game-12: [4] arkansas-razorbacks vs [13] hawaii-rainbow-warriors game-13: [6] byu-cougars vs [11] texas-longhorns / nc-state-wolfpack game-14: [3] gonzaga-bulldogs vs [14] kennesaw-state-owls game-15: [7] miami-hurricanes vs [10] missouri-tigers game-16: [2] purdue-boilermakers vs [15] queens-nc-royals SOUTH: game-17: [1] florida-gators vs [16] prairie-view-am-panthers / lehigh-mountain-hawks game-18: [8] clemson-tigers vs [9] iowa-hawkeyes game-19: [5] vanderbilt-commodores vs [12] mcneese-cowboys game-20: [4] nebraska-cornhuskers vs [13] troy-trojans game-21: [6] north-carolina-tar-heels vs [11] vcu-rams game-22: [3] illinois-fighting-illini vs [14] pennsylvania-quakers game-23: [7] saint-marys-gaels vs [10] texas-am-aggies game-24: [2] houston-cougars vs [15] idaho-vandals MIDWEST: game-25: [1] michigan-wolverines vs [16] umbc-retrievers / howard-bison game-26: [8] georgia-bulldogs vs [9] saint-louis-billikens game-27: [5] texas-tech-red-raiders vs [12] akron-zips game-28: [4] alabama-crimson-tide vs [13] hofstra-pride game-29: [6] tennessee-volunteers vs [11] smu-mustangs / miami-oh-redhawks game-30: [3] virginia-cavaliers vs [14] wright-state-raiders game-31: [7] kentucky-wildcats vs [10] santa-clara-broncos game-32: [2] iowa-state-cyclones vs [15] tennessee-state-tigers ## Game ID Convention - Round of 64: use the game IDs shown above (e.g. "game-1", "game-2", etc.) - Round of 32: use "r32-{region}-{number}" (e.g. "r32-east-1", "r32-east-2", "r32-east-3", "r32-east-4", "r32-west-1", etc.) - Sweet 16: use "s16-{region}-{number}" (e.g. "s16-east-1", "s16-east-2", "s16-west-1", etc.) - Elite 8: use "e8-{region}-1" (e.g. "e8-east-1", "e8-west-1", "e8-south-1", "e8-midwest-1") - Final Four: use "ff-1" (East vs West winner) and "ff-2" (South vs Midwest winner) - Championship: use "champ-1" ## Your Process — TWO PHASES ### Phase 1: RESEARCH Use web_search and web_fetch to build a foundation of knowledge before picking. You should: 1. **Get the big picture first.** Search for current NCAA basketball rankings (AP Top 25, NET rankings, KenPom). Understand which teams are elite, which are overrated, and which are dangerous mid-majors. 2. **Research each region systematically.** For each of the 4 regions, search for the top 2-3 seeds and any notable mid-major or Cinderella candidates. Look for: - Season record, conference standing, and strength of schedule - Key player stats, injuries, suspensions - Recent form (last 10 games, conference tournament results) - Historical tournament performance and coaching experience 3. **Look for upset indicators.** Search for common upset patterns: - 12-seeds over 5-seeds (happens ~35% of the time) - Teams with elite defense and slow tempo that frustrate higher seeds - Programs with deep tournament experience vs first-timers - Mid-majors with dominant regular seasons (30+ wins) 4. **Check for specific matchup analysis.** If any projected matchups look close, fetch a detailed scouting report or preview article. 5. **Gather championship contender intel.** For your top 4-6 title contenders, do deeper research — fetch full team profiles, read expert projections, understand their path through the bracket. Each search and fetch gives you real data. The more research you do, the better your bracket will be. Don't just search once — search multiple times from different angles. ### Phase 2: BUILD YOUR BRACKET Now build your bracket: 1. Build your bracket region by region, using your research. 2. Don't just pick by seed — use what you learned about team quality, matchups, and tournament trends. 3. Include at least 2-3 upsets per region (this is March Madness, not chalk). 4. Use validate_bracket to verify your bracket before submitting. 5. Once validate_bracket returns valid, call submit_bracket to finish. ## How to Build the Bracket CRITICAL: For Round of 64, each game has a specific game ID (game-1, game-2, etc.) and exactly two teams. Your winner for each game MUST be one of those two teams. If you're unsure which teams are in a game, use lookup_game to check. 1. **r1 (Round of 64)**: Go through each of the 32 games listed above. For each game, pick ONE of the two teams shown as the winner. Use the team ID slug. You MUST have exactly 32 picks. 2. **r2 (Round of 32)**: The 32 R64 winners pair up into 16 R32 games. Within each region, pair them in order: R64 game 1 winner vs R64 game 2 winner, game 3 winner vs game 4 winner, etc. You MUST have exactly 16 picks. 3. **r3 (Sweet 16)**: The 16 R32 winners pair into 8 S16 games. Same pairing logic. Exactly 8 picks. 4. **r4 (Elite 8)**: 8 S16 winners → 4 E8 games. Exactly 4 picks. 5. **r5 (Final Four)**: 4 E8 winners → 2 FF games. Exactly 2 picks. 6. **r6 (Championship)**: 2 FF winners → 1 championship game. Exactly 1 pick. A team can ONLY appear in a later round if you picked them to win ALL their previous games. ## Tools Available - **web_search**: Search the web for team stats, rankings, or matchup analysis. - **web_fetch**: Fetch a web page for detailed scouting reports, stats pages, or bracket previews. - **use_browser**: Browse a page using a real browser. Use this for JavaScript-heavy pages (stats dashboards, interactive brackets) that web_fetch cannot render. Slower — only use when web_fetch returns empty or broken content. - **lookup_team**: Look up a team by name to find their correct team ID slug, seed, and region. Use this when you're unsure of a team's exact slug — e.g. lookup_team("houston") returns "houston-cougars". Only the 64 tournament teams are searchable. - **lookup_game**: Look up a game by its ID to see which two teams are playing. Use this to verify matchups — e.g. lookup_game("game-1") returns the two teams in that game. IMPORTANT: use this if you're unsure which teams are in a specific game. The winner you pick MUST be one of the two teams in that game. - **calculator**: Evaluate math expressions. - **validate_bracket**: Check your bracket for errors before submitting. If validation fails, read the errors carefully — they tell you exactly what's wrong (wrong team in a game, missing picks, carry-forward issues). Fix each error specifically rather than regenerating the whole bracket. - **submit_bracket**: Validate and submit your final bracket in one step. Pass your COMPLETE bracket (r1-r6 + tiebreakerScore) as input. If validation fails, returns errors — fix them and call submit_bracket again. If valid, the run ends successfully. ## Submission Flow 1. Build your bracket (r1 through r6 + tiebreakerScore) 2. Use validate_bracket to check for errors during development 3. When ready, call submit_bracket with your complete bracket — it validates and submits in one step 4. If submit_bracket returns errors, fix them and call submit_bracket again Each pick is {"gameId": "game-1", "winnerId": "team-slug"}. Use the team ID slugs shown in the matchups above (e.g. "duke-blue-devils", not "Duke"). Today's date: 2026-03-18

assistantMessage 2

Mar 18, 2026, 8:37 PM

I'll build a winning March Madness bracket by conducting thorough research first, then making strategic picks based on real data. Let me start Phase 1: Research.

Tool Call: web_search

{
  "query": "NCAA basketball 2026 tournament predictions AP top 25 rankings"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "2026 March Madness Duke UConn Kansas Alabama top seeds"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "2026 NCAA tournament KenPom NET rankings strength of schedule"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "12-seed upset predictions 2026 NCAA tournament March Madness"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.kcci.com/article/iowa-state-basketball-ap-top-25-rankings-before-ncaa-tournament-2026/70760947",
      "title": "Final AP Top 25 before NCAA Tournament has Iowa State No. 6",
      "snippet": "AP Top 25 basketball rankings: March 16, 2026 · Duke · Arizona · Michigan · Florida · Houston · Iowa State · UConn · Purdue ..."
    },
    {
      "url": "https://bleacherreport.com/articles/25406953-ap-college-basketball-poll-2026-final-rankings-after-march-madness-bracket-reveal",
      "title": "AP College Basketball Poll 2026 Final Rankings After March ...",
      "snippet": "1. Duke (32-2) · 2. Arizona (32-2) · 3. Michigan (31-3) · 4. Florida (26-7) · 5. Houston (28-6) · 6. Iowa State (27-7) · 7. UConn (29-5) · 8. Purdue ( ..."
    },
    {
      "url": "https://www.cbssports.com/college-basketball/rankings/ap/",
      "title": "College Basketball Rankings 2025-26 - AP Top 25 - CBS Sports",
      "snippet": "AP Top 25 Updated Mar 16, 2026 ; 1. team logo · Duke. (50) 32-2, — ; 2. team logo · Arizona. (7) 32-2, — ; 3. team logo · Michigan. 31-3, — ; 4. team logo · Florida."
    },
    {
      "url": "https://www.usatoday.com/story/sports/ncaab/2026/03/09/college-rankings-basketball-top-25-ap-coaches-poll-march-9/89063670007/",
      "title": "Men's college basketball rankings: Updated Coaches Poll, AP Top 25",
      "snippet": "AP Top 25 poll · Duke (56) · Arizona (4) · Michigan (1) · Florida · Houston · UConn · Iowa State · Michigan State ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=ONmK8vPv6Gs",
      "title": "College Basketball AP Top 25 Preview: Florida into the top 4",
      "snippet": "Gary Parrish and Matt Norlander predict the top of Monday's college basketball AP Top 25. #CollegeBasketball #CBB #NCAA #BigTen #SEC #ACC ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://sports.yahoo.com/fantasy/article/march-madness-2026-which-top-seeds-are-at-the-highest-risk-of-busting-your-bracket-161123689.html",
      "title": "Which top seeds are at the highest risk of busting your bracket?",
      "snippet": "2026 NCAA Tournament bracket picks: Best Cinderella teams and upset sleepers for March Madness. Do you believe in magic? Well, these teams ..."
    },
    {
      "url": "https://www.cbssports.com/college-basketball/news/ncaa-tournament-2026-seeds-1-68-march-madness-bracket/",
      "title": "March Madness 2026: NCAA Tournament 1-68 seed list revealed by ...",
      "snippet": "March Madness 2026: NCAA Tournament bracket 1-68 seed list revealed by committee · 1. Duke (32-2) · 2. Arizona (32-2) · 3. Michigan (31-3) · 4."
    },
    {
      "url": "https://www.nytimes.com/athletic/7122522/2026/03/16/march-madness-2026-top-seeds-upset-watch/",
      "title": "Which March Madness 2026 top seeds are on upset watch early in ...",
      "snippet": "Which March Madness 2026 top seeds are on upset watch early in NCAA Tournament? · No. 1 Duke · No. 2 UConn · No. 3 Virginia · Connections: Sports ..."
    },
    {
      "url": "https://www.townandcountrytoday.com/basketball/the-latest-selection-sunday-duke-named-the-overall-top-seed-in-mens-march-madness-12008346",
      "title": "The Latest: Selection Sunday: Duke named the overall top seed in ...",
      "snippet": "What time will March Madness brackets be revealed? The men's NCAA Tournament field is set to be revealed at 6 p.m. ET on CBS. The women's NCAA ..."
    },
    {
      "url": "https://www.ncaa.com/news/basketball-men/article/2026-03-15/duke-takes-no-1-seed-andy-katzs-final-march-madness-bracket-predictions",
      "title": "Duke takes the No. 1 seed in Andy Katz's final March Madness ...",
      "snippet": "Duke takes the No. 1 seed in Andy Katz's final March Madness bracket predictions ... The 68 teams selected for the 2026 NCAA tournament will be ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.reddit.com/r/CollegeBasketball/comments/1ruvbew/each_regions_kenpom_strength/",
      "title": "Each Region's Kenpom Strength : r/CollegeBasketball - Reddit",
      "snippet": "Your home for College Basketball on the internet. Forever. Discord ... r/CollegeBasketball - 2026 NCAA Tournament KenPom bracket 1 week in."
    },
    {
      "url": "https://sports.betmgm.com/en/blog/ncaab/ncaa-tournament-bracket-based-using-kenpom-ratings-sgc/",
      "title": "Updated KenPom Rankings for the 2026 NCAA Tournament - BetMGM",
      "snippet": "Updated KenPom Ratings for all teams ahead of the 2026 NCAA Tournament, including Offensive & Defensive rankings."
    },
    {
      "url": "https://sports.yahoo.com/mens-college-basketball/article/march-madness-2026-ranking-every-mens-ncaa-tournament-first-four-and-first-round-game-from-most-competitive-to-least-060130968.html",
      "title": "March Madness 2026: Ranking every men's NCAA tournament First ...",
      "snippet": "15 Idaho: Houston is a KenPom power with an elite defense. No contest. South No. 16 Lehigh vs. 16 Prairie View A&M: Not all 16 seeds are ..."
    },
    {
      "url": "https://kenpom.com/index.php?s=RankAdjOE",
      "title": "2026 Pomeroy College Basketball Ratings",
      "snippet": "Strength of Schedule, NCSOS. Rk · Team, Conf, W-L · NetRtg · ORtg · DRtg · AdjT · Luck · NetRtg · ORtg · DRtg · NetRtg. 8, Purdue 2, B10, 27-8 ..."
    },
    {
      "url": "https://bballnet.com/",
      "title": "2026 NET Rankings and Quad Wins",
      "snippet": "Rank, Prev, School, Conf, Record. 1, 1, Duke · ACC, 32-2. 2, 2, Michigan · Big Ten, 31-3. 3, 3, Arizona · Big 12, 32-2. 4, 4, Florida · SEC, 26-7."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.usatoday.com/story/sports/ncaab/tourney/2026/03/17/march-madness-upset-predictions-final-four-picks-to-help-fill-out-ncaa-tournament-bracket-2026/89193610007/",
      "title": "March Madness bold predictions: Top upset picks, surprises, sleepers",
      "snippet": "March Madness predictions: Most popular NCAA Tournament first round upset picks. Santa Clara over Kentucky was picked eight times (80%). VCU ..."
    },
    {
      "url": "https://www.cbssports.com/general/news/ncaa-tournament-2026-bracket-simulation-predicts-surprising-upsets-best-sleepers-march-madness-picks/",
      "title": "NCAA Tournament 2026 bracket: Simulation predicts surprising ...",
      "snippet": "Picking 2026 March Madness upsets can give you a significant advantage in your 2026 March Madness picks, so which 12 over 5 or 13 over 4 ..."
    },
    {
      "url": "https://www.nytimes.com/athletic/7121264/2026/03/16/march-madness-upsets-ncaa-tournament-2026-10-most-likely/",
      "title": "The 10 most likely men's NCAA tournament upsets for March ...",
      "snippet": "The 10 most likely men's NCAA tournament upsets for March Madness 2026 ; No. 5 Vanderbilt Commodores vs. No. 12 McNeese Cowboys · 41.2 percent ; No ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=FMV9y2zvvRo",
      "title": "THE MOST ACCURATE MARCH MADNESS UPSET PICKS OF 2026",
      "snippet": "Comments ; The 12-5 March Madness Upset NO ONE is Talking About. Dan Dakich · 1.4K views ; 2026 March Madness BRACKET PREDICTIONS | NCAA Tournament."
    },
    {
      "url": "https://sports.yahoo.com/articles/march-madness-upset-predictions-2026-131717987.html",
      "title": "March Madness upset predictions 2026: Which 12 seed is most ...",
      "snippet": "March Madness upset predictions 2026 · No. 12 Northern Iowa vs. No. 5 St. John's · No. 12 McNeese vs. No. 5 Vanderbilt · No. 12 High Point vs. No."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 3

Mar 18, 2026, 8:37 PM

Great! Now let me research specific team information and matchups for the regions.

Tool Call: web_search

{
  "query": "Duke basketball 2026 tournament top seed Zach Edey injury"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Arizona wildcats 2026 basketball tournament seeding"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Michigan basketball 2026 tournament #3 seed"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Florida Gators basketball 2026 tournament #1 seed South region"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Northern Iowa Panthers 2026 NCAA tournament upset St Johns"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://sports.yahoo.com/articles/heres-2-doctors-zach-edeys-100457268.html",
      "title": "Here's what 2 doctors say on Zach Edey's latest ankle surgery ...",
      "snippet": "A June offseason procedure was supposed to put Zach Edey's ankle woes behind. At least that's what the Memphis Grizzlies believed when he ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/why-zach-edey-injury-news-110415005.html",
      "title": "Why Zach Edey injury news overshadows Grizzlies' road win vs ...",
      "snippet": "Edey will undergo surgery to address lingering discomfort and a stress issue in the talus bone of his left ankle. While Edey is expected to make ..."
    },
    {
      "url": "https://www.youtube.com/shorts/-CAUm8dhgoQ",
      "title": "Zach Edey will miss the remainder of the 2025-2026 ... - YouTube",
      "snippet": "Zach Edey will miss the remainder of the 2025-2026 season for the Memphis Grizzlies after surgery ... This content isn't available. Skip video."
    },
    {
      "url": "https://www.rotowire.com/basketball/headlines/zach-edey-injury-to-miss-remainder-of-season-521497",
      "title": "Zach Edey Injury: To miss remainder of season - RotoWire",
      "snippet": "Edey underwent surgery Tuesday to resolve discomfort and bone stress in his left ankle, and he'll miss the rest of the 2025-26 season."
    },
    {
      "url": "https://www.youtube.com/watch?v=8qXmEfclSKg",
      "title": "Zach Edey Injury Update | Jessica Benson Show - YouTube",
      "snippet": "... Tournament 00:48:00 Gary Parrish state of basketball in Memphis 01:12:00Black history month cake 01:18:00 NBA action Lou Dort trips Jokic Knicks ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.azdesertswarm.com/basketball/77194/arizona-wildcats-ncaa-tournament-long-island-sharks-rod-strickland-west-region-san-diego-2026",
      "title": "NCAA Tournament: Arizona men's basketball earns No. 1 seed in ...",
      "snippet": "Arizona is the No. 1 seed in the West Region in the 2026 NCAA Tournament and will open play Friday in San Diego against Long Island. It is the ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=AlOytUqJKgM",
      "title": "BRACKET BREAKDOWN: Arizona is No. 1 seed in West - YouTube",
      "snippet": "Rece Davis, Jay Williams, Jay Bilas and Seth Greenberg react to the West Region for the 2026 NCAA Men's Tournament with the Arizona Wildcats ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/ncaa-tournament-no-1-seed-120000723.html",
      "title": "NCAA Tournament: How No. 1 seed Arizona can get to the Final Four",
      "snippet": "In the 2026 NCAA Tournament, Arizona (32-2) is the No. 1 seed in the West Region and actually the betting favorite to win it all. According ..."
    },
    {
      "url": "https://www.foxsports.com/articles/cbk/no-2-arizona-earns-no-1-seed-in-a-west-region-that-includes-purdue-gonzaga-and-arkansas",
      "title": "No. 2 Arizona earns No. 1 seed in a West Region that includes ...",
      "snippet": "No. 2 Arizona earns No. 1 seed in a West Region that includes Purdue, Gonzaga and Arkansas. Updated Mar. 15, 2026 7 ..."
    },
    {
      "url": "https://tucson.com/sports/arizonawildcats/basketball/article_ab7e770c-c774-4782-8cfb-bd88e9d9d6b8.html",
      "title": "Arizona Wildcats receive West's No. 1 NCAA seed, will face LIU ...",
      "snippet": "Arizona Wildcats receive West's No. 1 NCAA seed, will face LIU Friday in San Diego · Bruce Pascoe · Mar 16, 2026 · Mar 16, 2026 Updated 23 hrs ago."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://ca.sports.yahoo.com/news/march-madness-2026-michigan-is-the-early-betting-favorite-after-selection-sunday-230319943.html",
      "title": "March Madness bracket: No. 1 overall seed Duke quickly becomes ...",
      "snippet": "Duke is the No. 1 overall seed in the 2026 NCAA tournament but did not open as the favorite after the 68-team was revealed."
    },
    {
      "url": "https://www.detroitnews.com/story/sports/college/university-michigan/2026/03/15/michigan-basketballs-2026-ncaa-bracket-seed-opponent-revealed/89103404007/",
      "title": "Michigan basketball 2026 NCAA bracket, seed, opponent revealed",
      "snippet": "Michigan (31-3) will enter the NCAA Tournament as a No. 1 seed in the Midwest Region and will open play at 7:10 p.m. Thursday in Buffalo ..."
    },
    {
      "url": "https://msuspartans.com/news/2026/3/15/mens-basketball-spartans-earn-no-3-seed-in-east-region-extend-ncaa-tournament-streak-to-28-straight",
      "title": "Spartans Earn No. 3 Seed in East Region, Extend NCAA ...",
      "snippet": "Spartans Earn No. 3 Seed in East Region, Extend NCAA Tournament Streak to 28 Straight. 3/15/2026 6:21:00 PM | Men's Basketball."
    },
    {
      "url": "https://www.youtube.com/watch?v=vMT3oWuJUQc",
      "title": "Tom Izzo reacts to Michigan State gettting No. 3 seed in ... - YouTube",
      "snippet": "Michigan State coach Tom Izzo shared his inital thoughts on being the No.3 seed in the 2026 NCAA Tournament. Michigan State opens the NCAA ..."
    },
    {
      "url": "https://www.ncaa.com/news/basketball-men/article/2026-03-14/2026-big-ten-tournament-bracket-schedule-scores-mens-basketball",
      "title": "2026 Big Ten tournament: Bracket, schedule, scores for men's ...",
      "snippet": "Michigan is the defending champion, with the No. 3 seed Wolverines beating No. 5 Wisconsin in the final, 59-53. Michigan State has won the most ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
"results": [
{
"url": "https://www.youtube.com/watch?v=mkUCm5Qs684",
"title": "BRACKET BREAKDOWN: Florida is No. 1 seed in South - YouTube",
"snippet": "... Florida Gators being the No. 1 seed in the South Region of the 2026 NCAA Men's Basketball Tournament. ✔️ Subscribe to ESPN Unlimited ..."
},
{
"url": "https://www.nytimes.com/athletic/7119236/2026/03/15/71192march-madness-2026-bracketology-prediction-florida-uconn/",
"title": "NCAA Tournament Bracket Watch: Florida keeps the last No. 1 seed ...",
"snippet": "For the first of these final guesses: Florida retains the fourth No. 1 seed. Technically, it's not retaining — the NCAA Tournament selection ..."
},
{
"url": "https://www.anonymouseagle.com/anonymously-through-the-brackets/36111/ncaa-mens-basketball-tournament-south-region-preview-florida-vanderbilt-vcu-wagler-power-flemings",
"title": "2026 Anonymously Through The Brackets: South Region",
"snippet": "The Gators had a 12 game winning streak snapped in the SEC semifinals, and that winning streak propelled them to win the SEC by three games over ..."
},
{
"url": "https://www.gatorcountry.com/florida-gators-basketball/2026-ncaa-tournament-florida-basketball-earns-one-seed-in-south-region/",
"title": "2026 NCAA Tournament: Florida Basketball Earns One Seed in ...",
"snippet": "The Florida Gators men's basketball team earned the No. 1 seed in the South Region of the NCAA Tournament, the selection committee announced ..."
},
{
"url": "https://www.facebook.com/gatorsillustrated/posts/the-gators-have-officially-clinched-the-no-1-seed-in-the-south-region-of-the-nca/122231711714274682/",
"title": "The Gators have officially clinched the No. 1 seed in the South ...",
"snippet": "The Gators have officially clinched the No. 1 seed in the South Region of the NCAA Tournament. With the bracket now set, here's Florida Gators ..."
}
]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://athlonsports.com/college-basketball/they-got-hosed-st-johns-red-storm-fans-furious-over-5-seed-ranking-in-ncaa-tournament",
      "title": "'They Got Hosed': St. John's Red Storm Fans Furious Over ...",
      "snippet": "When the brackets were revealed on Sunday, St. John's will be the number five seed in the East Region and face the Northern Iowa Panthers on ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/why-st-john-basketball-upset-021638293.html",
      "title": "Why St. John's basketball is on upset alert in 2026 NCAA ...",
      "snippet": "St. John's basketball is fueling energy on campus ahead of March Madness. But Northern Iowa is no slouch for these reasons."
    },
    {
      "url": "https://www.cbssports.com/college-basketball/news/no-5-st-johns-out-to-prove-seeding-too-low-vs-no-12-northern-iowa/",
      "title": "No. 5 St. John's out to prove seeding too low vs. No. 12 ...",
      "snippet": "No. 5 St. John's out to prove seeding too low vs. No. 12 Northern Iowa. A sunny, oceanside locale for the NCAA Tournament opener surely fits ..."
    },
    {
      "url": "https://nypost.com/2026/03/18/sports/northern-iowas-pace-a-march-madness-key-vs-st-johns/",
      "title": "Northern Iowa's pace a March Madness key vs. St. John's",
      "snippet": "Tempo could go a long way in determining how St. John's opening-round NCAA Tournament game goes Friday against No. 12 seed Northern Iowa."
    },
    {
      "url": "https://www.kcci.com/article/northern-iowa-basketball-ncaa-tournament-bracket-tv-channel-stream-st-johns-tickets/70759711",
      "title": "Northern Iowa vs. St. John's: What to know about UNI's first- ...",
      "snippet": "Northern Iowa is heading west for its first NCAA Tournament appearance in a decade. Here's what to expect when the Panthers tip off against ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 4

Mar 18, 2026, 8:37 PM

Excellent research. Let me get more specific analysis on key matchups and potential upsets.

Tool Call: web_search

{
  "query": "\"McNeese\" \"Vanderbilt\" 2026 NCAA tournament 12-5 upset"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Houston Cougars 2026 tournament #2 seed elite defense"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Gonzaga Bulldogs 2026 NCAA tournament #3 seed West region"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Purdue Boilermakers 2026 NCAA tournament #2 seed West region"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Alabama crimson tide 2026 NCAA tournament #4 seed Midwest"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.bracketbustershoops.com/p/2026-ncaa-tournament-south-region",
      "title": "2026 NCAA Tournament South Region Breakdown",
      "snippet": "Can McNeese shock Vanderbilt? Will VCU upset UNC? Breaking down every mid-major matchup in the 2026 NCAA Tournament South Region."
    },
    {
      "url": "https://www.facebook.com/bootkrewemedia/posts/no-12-seed-mcneese-28-5-officially-gets-their-first-round-draw-against-no-5-seed/1238131495190632/",
      "title": "No. 12 seed McNeese (28-5) officially gets their first",
      "snippet": "No. 12 seed McNeese (28-5) officially gets their first- round draw against No. 5 seed Vanderbilt (26-8) Never forget what happened last year ..."
    },
    {
      "url": "https://www.yardbarker.com/college_basketball/articles/ranking_march_madness_no_12_vs_no_5_games_by_likelihood_of_an_upset/s1_13132_43604115",
      "title": "Ranking March Madness No. 12 vs. No. 5 games by ...",
      "snippet": "No. 12 McNeese State vs. No. 5 Vanderbilt. Winners of the Southland Tournament, McNeese State is in its third straight NCAA ..."
    },
    {
      "url": "https://www.ncaa.com/news/basketball-men/article/2025-03-21/history-5-seeds-vs-12-seeds-march-madness",
      "title": "History of 12 vs. 5 seeds in March Madness",
      "snippet": "McNeese puts away Clemson in 12-over-5 upset. DI Men's Basketball ... Vanderbilt, 69-66. 2010, Cornell def. Temple, 78-65. 2009, Western ..."
    },
    {
      "url": "https://www.outkick.com/sports/2026-ncaa-tournament-breakdown-south-region-best-bets-sleepers-busts",
      "title": "2026 NCAA Tournament Breakdown: South Region Best ...",
      "snippet": "Vanderbilt made a somewhat surprising run to the SEC Tournament ... McNeese will be a popular upset pick as the classic #12 seed over #5 ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://uhcougars.com/news/2026/3/15/mens-basketball-5-5-mens-basketball-tabbed-as-2-seed-in-ncaa-tournament",
      "title": "#5/5 Men's Basketball Tabbed as #2 Seed in NCAA Tournament",
      "snippet": "Under the leadership of Head Coach Kelvin Sampson , the 2025-26 Cougars were selected to compete as the #2 seed in the NCAA Tournament South ..."
    },
    {
      "url": "https://collegefootballnews.com/college-basketball/ncaa-tournament-2-seeds-houston-iowa-state-purdue-uconn",
      "title": "Meet the NCAA Tournament No. 2 Seeds: Houston, Iowa State ...",
      "snippet": "Houston. The defense isn't the killer of last year, but it's not far off. It's a flawed team, but it can suffocate teams."
    },
    {
      "url": "https://www.facebook.com/cw39houston/posts/no-2-seed-houston-opens-the-2026-ncaa-tournament-thursday-night-against-no-15-id/1488519806203760/",
      "title": "No. 2 seed Houston opens the 2026 NCAA Tournament Thursday ...",
      "snippet": "Dybantsa poured in 26 points and even broke Kevin Durant's Big 12 Tournament scoring record, but Houston's defense slowed him down late. After a ..."
    },
    {
      "url": "https://www.houstonpublicmedia.org/articles/news/sports/2026/03/16/546122/uh-basketball-ncaa-tournament-march-madness/",
      "title": "University of Houston gets No. 2 seed in NCAA Tournament ...",
      "snippet": "The University of Houston was selected as a No. 2 seed in the men's NCAA Tournament. The Cougars got placed in the South Regional, ..."
    },
    {
      "url": "https://247sports.com/college/houston/article/houston-basketball-named-no-2-seed-in-the-ncaa-tournament-play-no-15-idaho-in-oklahoma-city-277941663/",
      "title": "Houston basketball named No. 2 seed in the NCAA Tournament ...",
      "snippet": "Houston basketball named No. 2 seed in the NCAA Tournament, play No. 15 Idaho in Oklahoma City. The Houston Cougars are in the NCAA Tournament ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.seattletimes.com/sports/gonzaga-bulldogs/gonzaga-men-earn-no-3-seed-in-west-region-will-face-no-14-kennesaw-state/",
      "title": "Gonzaga men earn No. 3 seed in West region, will face No. 14 ...",
      "snippet": "Gonzaga men earn No. 3 seed in West region, will face No. 14 Kennesaw State. March 15, 2026 at 4:15 pm Updated March ..."
    },
    {
      "url": "https://www.spokesman.com/stories/2026/mar/15/gonzaga-awarded-no-3-seed-in-west-region-will-face/",
      "title": "Gonzaga awarded No. 3 seed in West region, will face No. 14 ...",
      "snippet": "Gonzaga earned the No. 3 seed in the West region, beginning its tournament run in Portland, Oregon, on Thursday."
    },
    {
      "url": "https://sports.mynorthwest.com/ncaa/gonzaga/ncaa-tournament-gonzaga-bulldogs-3-seed-west/1842449",
      "title": "NCAA Tournament Draw: No. 12 Gonzaga is 3 seed in West",
      "snippet": "The Zags are a No. 3 seed in the West Region and will open play Thursday at the Moda Center in Portland against the 14th-seeded Kennesaw State ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/gonzagas-march-madness-seed-revealed-223935003.html",
      "title": "Gonzaga's March Madness seed revealed on Selection Sunday",
      "snippet": "Gonzaga is headed to familiar territory for the first round of the 2026 NCAA Tournament ... West Region's No. 1 seed to wins over Georgia State ..."
    },
    {
      "url": "https://www.kxly.com/news/zags-earn-three-seed-in-mens-ncaa-tournament-will-play-in-portland/article_4aecfbdb-27fc-4211-82c1-a6e93b579ed4.html",
      "title": "Zags earn three seed in men's NCAA tournament, will play in Portland",
      "snippet": "The Zags earned a three seed in the west region and will open the tournament in Portland. Gonzaga plays 14-seed Kennesaw State. The Owls, 21-13 ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://purduesports.com/news/2026/03/15/2-seed-boilermakers-to-face-15-queens-in-ncaa-tournament-first-round-on-friday-in-st-louis",
      "title": "#2 Seed Boilermakers To Face #15 Queens in NCAA Tournament ...",
      "snippet": "The Boilermakers enter the 2026 NCAA Tournament as the No. 2 seed in the West Region. Purdue has been a top-four seed in their last nine NCAA ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=_HAlokdQOIQ",
      "title": "Purdue wins Big Ten tournament championship, named 2-seed for ...",
      "snippet": "... ncaa/ncaab/no-18-purdue-boilermakers-defeat-no-3-michigan-wolverines-80-72-ncaam-big-ten-tournament-championship/531-f426cd2e-fe60-47a7-98d2 ..."
    },
    {
      "url": "https://www.hammerandrails.com/mens-basketball/58910/bracket-breakdown-the-west-region",
      "title": "Bracket Breakdown: The West Region | Hammer and Rails",
      "snippet": "No. 2 Purdue (27-8): Purdue secured the No. 2 seed by winning the Big Ten Tournament with a dominating performance against Michigan. They hold a ..."
    },
    {
      "url": "https://www.si.com/college/purdue/basketball/purdue-march-madness-hub-schedule-seed-opponent-path-to-the-final-four",
      "title": "Purdue's March Madness Hub: Schedule, Seed, Opponent & Path to ...",
      "snippet": "Purdue will open up the 2026 NCAA Tournament as the No. 2 seed in the West Region. The Boilermakers will open up March Madness on Friday ..."
    },
    {
      "url": "https://nationaltoday.com/us/ca/san-jose/news/2026/03/15/purdue-earns-no-2-seed-in-west-region-for-march-madness/",
      "title": "Purdue Earns No. 2 Seed in West Region for March Madness",
      "snippet": "Purdue has earned a No. 2 seed in the West Region for the 2026 NCAA Tournament. The Boilermakers will open up March Madness on Friday, March 20 ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://yellowhammernews.com/alabama-secures-no-4-seed-in-sec-filled-midwest-region-of-ncaa-tournament/",
      "title": "Alabama secures No. 4 seed in SEC-filled Midwest region of NCAA ...",
      "snippet": "The Alabama Crimson Tide is going to be playing Hofstra after earning a No. 4 seed in the NCAA Tournament on Sunday."
    },
    {
      "url": "https://www.facebook.com/CrimsonTide.alcom/posts/alabama-is-the-no-4-seed-in-the-midwest-region-of-the-ncaa-tournament-and-will-f/1386614593507352/",
      "title": "Alabama is the No. 4 seed in the Midwest Region of the NCAA ...",
      "snippet": "Alabama is the No. 4 seed in the Midwest Region of the NCAA Tournament and will face 13-seed Hofstra in the first round in Tampa on Friday."
    },
    {
      "url": "https://sports.yahoo.com/articles/alabama-basketball-dancing-again-crimson-203118470.html",
      "title": "Alabama Basketball Dancing Again: Crimson Tide Earn No. 4 Seed ...",
      "snippet": "Crimson Tide secure No. 4 seed for another March Madness run. Can Nate Oats' elite squad dance all the way to the Sweet Sixteen?"
    },
    {
      "url": "https://247sports.com/college/alabama/article/-alabama-earns-no-4-seed-for-2026-ncaa-tournament-learns-opponents-and-sites-277771104/",
      "title": "Alabama earns No. 4 seed for 2026 NCAA tournament, learns ...",
      "snippet": "Alabama will be the No. 4 seed in the Midwest region of the 2026 NCAA men's basketball tournament. The Tide was chosen on Selection Sunday ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=VlYGycy8Lf4",
      "title": "March Madness! Alabama is a 4-Seed: Good Path? Auburn Denied",
      "snippet": "The Alabama Crimson Tide is headed to the NCAA Tournament as a 4-Seed in the Midwest Region, the Michigan Wolverines are the 1-Seed in that ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 5

Mar 18, 2026, 8:37 PM

Let me get more detailed information on teams that could be first-round upsets and some of the more interesting matchups.

Tool Call: web_search

{
  "query": "\"High Point\" \"Arkansas\" 2026 NCAA tournament 13-seed"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Santa Clara Kentucky 2026 NCAA tournament first round upset"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Iowa State 2026 tournament #2 seed Midwest region championship contender"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "UCLA Bruins 2026 NCAA tournament #7 seed East region"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Virginia Cavaliers 2026 NCAA tournament #3 seed Midwest"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.cbssports.com/college-basketball/news/ncaa-tournament-bracket-2026-best-tea-seed-lines-march-madness/",
      "title": "NCAA Tournament bracket 2026: The best team on each of ...",
      "snippet": "That kind of experience edge helps make up some of the gap that UNI has compared to High Point ... Arkansas as the fourth-best No. 4 seed ..."
    },
    {
      "url": "https://www.facebook.com/kaitsports/posts/the-2026-ncaa-tournament-bracket-is-out26-8-arkansas-is-a-4-seed-in-the-west-reg/1311466874130685/",
      "title": "The 2026 NCAA Tournament bracket is out. 26-8 Arkansas ...",
      "snippet": "High point may be a sleeper. 1d. Meteorologist Micah Stevens ... Arkansas in the NCAA Tournament: Arkansas is rank as the 5th Seed in ..."
    },
    {
      "url": "https://www.swtimes.com/story/sports/college/sec/2026/03/15/arkansas-insertopponent-march-madness-bracket-ncaa-tournament-2026/89018198007/",
      "title": "Arkansas March Madness opponent is Hawai'i in 2026 ...",
      "snippet": "Wisconsin is the No. 5 seed and High Point is the No. 12 seed in Arkansas' section of the bracket. Those are the potential second-round matchups ..."
    },
    {
      "url": "https://www.kark.com/pig-trail-nation/arkansas-to-face-hawaii-in-2026-ncaa-tournament/?nxsparam=4",
      "title": "Arkansas to Face Hawai'i in 2026 NCAA Tournament",
      "snippet": "With a first-round win, Arkansas would face the winner of No. 5 seed Wisconsin and No. 12 seed High Point on Saturday, March 21, in Portland."
    },
    {
      "url": "https://www.ncaa.com/news/basketball-men/article/2026-03-18/what-know-about-every-mens-team-ncaa-tournament",
      "title": "What to know about every men's team in the ...",
      "snippet": "Arkansas (26-8, 13-5 SEC) put together one of the most impressive conference tournament runs in the country, running through the gauntlet of the ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.si.com/college/kentucky/men-s-basketball/santa-clara-over-kentucky-will-be-one-of-the-most-common-upset-picks-in-ncaa-tournament-brackets",
      "title": "Santa Clara over Kentucky will be one of the most common ...",
      "snippet": "There is a good chance that Santa Clara over Kentucky will be one of the top upset picks in college basketball this season. Mark Pop. Mar 13, ..."
    },
    {
      "url": "https://www.espn.com/mens-college-basketball/story/_/id/48223542/ncaa-tournament-upsets-first-round-giant-killers-march-madness-2026",
      "title": "Most probable first-round upsets in the men's 2026 NCAA ...",
      "snippet": "Only five double-digit seeds won in the first round of the 2025 men's NCAA tournament, and two were 10-seeds, which don't qualify as Giant ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=GYLeHz9KRgo",
      "title": "Kentucky is either making a DEEP run or getting upset",
      "snippet": "'Kentucky is either making a DEEP run or getting upset' | Bracket Breakdown | 2026 NCAA Tournament. 6.2K views · 18 hours ago. The Field of 68 ..."
    },
    {
      "url": "https://www.aseaofblue.com/kentucky-wildcats-basketball/166364/why-santa-clara-ncaa-tournament-selection-committee-seeding-rules",
      "title": "Why Santa Clara was the only choice for Kentucky's first ...",
      "snippet": "Based on how the Selection Committee seeds teams, the Broncos were the only No. 10 seed Kentucky could play in the opening round this Friday. In ..."
    },
    {
      "url": "https://www.instagram.com/p/DV98SYIDQzU/",
      "title": "10-seed Santa Clara over 7-seed Kentucky is a popular ...",
      "snippet": "Kentucky will tip off against Santa Clara at 11:15 AM in St. Louis in the first round of the 2025 NCAA Tournament ☕️"
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://collegefootballnews.com/college-basketball/ncaa-tournament-2-seeds-houston-iowa-state-purdue-uconn",
      "title": "Meet the NCAA Tournament No. 2 Seeds: Houston, Iowa State ...",
      "snippet": "2 Seeds: Houston, Iowa State, Purdue, UConn. Houston, Iowa State, Purdue, and UConn are dangerous contenders. Here's CFN's breakdown of each No."
    },
    {
      "url": "https://www.cbssports.com/college-basketball/news/2026-ncaa-tournament-midwest-region-bracket-preview/",
      "title": "2026 NCAA Tournament Midwest Region bracket preview",
      "snippet": "If Kentucky sneaks past that one, No. 2 seed Iowa State will await. Kentucky's bully-ball approach will not work against T.J. Otzelberger's ..."
    },
    {
      "url": "https://sports.yahoo.com/mens-college-basketball/article/march-madness-2026-midwest-region-bracket-predictions-cinderella-expert-picks-watch-times-schedule-odds-betting-lines-and-more-144504989.html",
      "title": "March Madness 2026: Midwest region bracket predictions ...",
      "snippet": "Michigan opened as the early favorite after the selection show, but is now firmly the No. 2 favorite behind Duke. Iowa State's odds have slowly ..."
    },
    {
      "url": "https://www.yardbarker.com/college_basketball/articles/iowa_state_basketball_has_a_major_edge_for_ncaa_tournament/s1_17624_43609422",
      "title": "Iowa State Basketball Has a Major Edge for NCAA Tournament",
      "snippet": "The No. 2 seed in the Midwest Region, the Cyclones have received an incredible draw that could result in a deep run in the NCAA tournament."
    },
    {
      "url": "https://www.facebook.com/DesMoinesRegister/posts/the-bracket-for-the-2026-ncaa-tournament-is-set-what-seed-did-iowa-state-mens-ba/1358255339672970/",
      "title": "The bracket for the 2026 NCAA Tournament is set. What seed did ...",
      "snippet": "Tennessee, Iowa State, Marquette and Arizona are all pretty locked in as 2 seeds with TN getting the slight edge for the top #2 seed and us ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.si.com/college/ucla/bruins-why-got-screwed-during-selection-sunday",
      "title": "Why UCLA Got Screwed During Selection Sunday - Sports Illustrated",
      "snippet": "UCLA now sits as a No. 7 seed and is set to face UCF on Friday. However, the Bruins' placement in the bracket may not be the best-case ..."
    },
    {
      "url": "https://www.youtube.com/watch?v=1KcLpGSmrLs",
      "title": "UCLA Gets SCREWED in NCAA Tournament Seeding ... - YouTube",
      "snippet": "dives into the madness surrounding UCLA's shocking draw in the NCAA Tournament. The Bruins ... Bracket Breakdown: UCLA Lands 7th Seed In Eastern ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/yes-east-region-loaded-ucla-194226532.html",
      "title": "Yes, the East Region is loaded, but UCLA must solely focus on UCF",
      "snippet": "The UCLA Bruins will have to travel across the country once again for the NCAA tournament. UCLA will face UCF on Friday in the first round."
    },
    {
      "url": "https://www.latimes.com/sports/ucla/story/2026-03-15/ucla-mens-basketball-no-7-seed-central-florida",
      "title": "UCLA men's basketball earns No. 7 seed, to face No. 10 UCF in ...",
      "snippet": "The UCLA Bruins will open the NCAA men's tournament against Central Florida in an East Regional game on Friday."
    },
    {
      "url": "https://nationaltoday.com/us/ca/los-angeles/news/2026/03/15/ucla-earns-7-seed-in-east-regional/",
      "title": "UCLA Earns 7 Seed in East Regional - Los Angeles Today",
      "snippet": "The UCLA Bruins men's basketball team has earned a 7 seed in the East Regional of the 2026 NCAA Tournament. After an inconsistent regular ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.cbssports.com/college-basketball/news/14-vs-3-upset-rankings-virginia-most-likely-ncaa-tournament-no-3-seed-to-lose-faces-dangerous-wright-state/",
      "title": "14 vs. 3 upset rankings: Potential NCAA Tournament bracket busters",
      "snippet": "14 vs. 3 upset rankings: Virginia most likely NCAA Tournament No. 3 seed to lose, faces dangerous Wright State. By Matt Severance."
    },
    {
      "url": "https://wset.com/sports/college-sports/virginia-men-earn-no-3-seed-in-ncaa-tournament",
      "title": "Virginia Men Earn No. 3 Seed in NCAA Tournament - WSET",
      "snippet": "ACC Tournament runner-up Virginia (29-5) is the No. 3 seed in the NCAA Midwest Region for the 2026 NCAA Tournament.The Cavaliers will face ..."
    },
    {
      "url": "https://www.streakingthelawn.com/virginia-cavaliers-basketball/50927/uva-basketball-earns-no-3-seed-in-ncaa-tournament-midwest-region",
      "title": "UVA basketball earns No. 3 seed in NCAA Tournament Midwest ...",
      "snippet": "The Virginia Cavaliers are in the NCAA Tournament and have been selected as the No. 3 seed in the Midwest region."
    },
    {
      "url": "https://collegefootballnews.com/college-basketball/ncaa-tournament-3-seeds-gonzaga-illinois-michigan-state-virginia",
      "title": "Meet the NCAA Tournament No. 3 Seeds: Gonzaga, Illinois ...",
      "snippet": "Meet the NCAA Tournament's No. 3 seeds: Gonzaga, Illinois, Michigan State, and Virginia. Strengths, concerns, and what to expect in March ..."
    },
    {
      "url": "https://dailyprogress.com/sports/college/basketball/virginia-cavaliers/article_40e41e27-954f-462e-8512-783b6c587183.html",
      "title": "NCAA tournament Midwest Region guide: Sizing up UVa's path",
      "snippet": "Virginia basketball opens NCAA tournament action on Friday, and the Hoos are the No. 3 seed in the Midwest Region."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 6

Mar 18, 2026, 8:37 PM

Let me fetch one more detailed resource to help with my championship predictions.

Tool Call: web_search

{
  "query": "2026 March Madness championship game prediction Duke Arizona Michigan"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "UConn Huskies 2026 NCAA tournament #2 seed East region championship"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: web_search

{
  "query": "Illinois Fighting Illini 2026 NCAA tournament #3 seed South"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://www.nytimes.com/athletic/7123628/2026/03/17/march-madness-expert-bracket-picks-duke-champion/",
      "title": "Expert picks for the 2026 NCAA Tournament bracket: Why Brendan ...",
      "snippet": "Expert picks for the 2026 NCAA Tournament bracket: Why Brendan Marks has Duke winning it all ; 1 Duke. 5 ; 3 Michigan State. 2 ..."
    },
    {
      "url": "https://www.espn.com/espn/betting/story/_/id/48216458/espn-ncaa-tournament-men-national-championship-final-four-elite-eight-teams",
      "title": "Men's NCAA Tournament odds: Duke, Michigan, Arizona among the ...",
      "snippet": "Sign up now to play the #1 Men's bracket game for FREE! $125,000 in ... 2026 NCAA Men's Basketball Championship Tournament Odds. (Seed) ..."
    },
    {
      "url": "https://sports.yahoo.com/mens-college-basketball/article/march-madness-2026-predictions-which-teams-are-yahoo-sports-users-picking-to-win-the-ncaa-tournament-212846931.html",
      "title": "March Madness 2026: Who are Yahoo Sports users picking to win ...",
      "snippet": "March Madness 2026: NCAA tournament watch times, bracket news, first-round schedule, how to watch as Duke, Arizona, Michigan, Florida secure No."
    },
    {
      "url": "https://www.youtube.com/watch?v=rAZJ_li2jzg",
      "title": "Andy Katz breaks down his 2026 March Madness bracket - YouTube",
      "snippet": "Expert Matt Norlander fills out his bracket | 2026 NCAA TOURNAMENT PREDICTIONS & ADVICE ... Every March Madness Game Broken Down. Bracket ..."
    },
    {
      "url": "https://www.natesilver.net/p/2026-march-madness-ncaa-tournament-predictions",
      "title": "2026 March Madness Predictions - Silver Bulletin",
      "snippet": "2026 March Madness Predictions. Silver ... Speaking of UConn, they're in the bottom half of this bracket, along with Michigan State."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://uconnhuskies.com/news/2026/3/15/mens-basketball-huskies-earn-no-2-seed-in-ncaa-east-region",
      "title": "Huskies Earn No. 2 Seed In NCAA East Region",
      "snippet": "The Huskies have earned the No. 2 seed the East region and will take on No. 15 seed Furman in the First Round in Philadelphia on Friday, March ..."
    },
    {
      "url": "https://sports.yahoo.com/articles/breaking-down-uconn-march-madness-194900821.html",
      "title": "Breaking down UConn's March Madness draw as No. 2 ...",
      "snippet": "Mon, March 16, 2026 at 7:49 PM UTC. In addition to No. 1 overall seed, Duke, the East Region of the men's NCAA Tournament bracket features ..."
    },
    {
      "url": "https://www.ctinsider.com/sports/uconn-mens-basketball/article/ncaa-tournament-furman-east-region-philadelphia-22078071.php",
      "title": "UConn men earn No. 2 seed in East, face Furman on Friday",
      "snippet": "The Huskies are the the No. 2 seed in the East Region, as announced on Sunday evening's NCAA Selection Show on CBS. They will face Furman in a ..."
    },
    {
      "url": "https://athlonsports.com/college-basketball/2026-ncaa-tournament-east-region-breakdown-duke-uconn-kansas",
      "title": "2026 NCAA Tournament East Region Breakdown",
      "snippet": "The East Region may be the toughest bracket in the 2026 NCAA Tournament. Duke, UConn, Kansas and St. John's headline a loaded field with ..."
    },
    {
      "url": "https://www.si.com/college/uconn/basketball/uconn-huskies-mbb-earns-no-2-seed-ncaa-tournament",
      "title": "UConn MBB Earns No. 2 Seed in NCAA Tournament",
      "snippet": "UConn MBB Earns No. 2 Seed in NCAA Tournament. The March Madness bracket was revealed, and Dan Hurley's UConn Huskies know who they are going to ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: web_search

{
  "results": [
    {
      "url": "https://fightingillini.com/news/2026/3/17/mens-basketball-ncaa-tournament-first-round-preview-3-illinois-vs-14-penn.aspx",
      "title": "NCAA Tournament First Round Preview | 3 Illinois vs. 14 Penn",
      "snippet": "The Illini hold an all-time record of 6-4 as a No. 3 seed: 2024 First Round (Omaha, Neb.) – #3 Illinois 85, #14 Morehead State 69; 2024 Second ..."
    },
    {
      "url": "https://writingillini.com/illinois-gets-a-brutal-draw-as-a-no-3-seed-in-the-ncaa-tournament",
      "title": "Illinois gets a brutal draw as a No. 3 seed in the NCAA tournament",
      "snippet": "Illinois gets a brutal draw as a No. 3 seed in the NCAA tournament. Illinois basketball will be heading Greenville, South Carolina, on Thursday, ..."
    },
    {
      "url": "https://www.msn.com/en-us/sports/other/illinois-2026-ncaa-tournament-seed-officially-revealed/ar-AA1YGQtW",
      "title": "Illinois' 2026 NCAA tournament seed officially revealed - MSN",
      "snippet": "For Illinois, they earned a No. 3 seed in the South Region and will matchup against Penn on Thursday for the first round."
    },
    {
      "url": "https://sports.yahoo.com/articles/illinois-march-madness-seed-potential-151500515.html",
      "title": "Illinois March Madness base: Seed, potential opponents, schedules ...",
      "snippet": "Mon, March 16, 2026 at 3:15 PM UTC. The Illinois Fighting Illini earned their spot as one of the No. 3 seeds in the NCAA Tournament, and now ..."
    },
    {
      "url": "https://247sports.com/college/illinois/article/illinois-fighting-illini-mens-basketball-ncaa-tournament-draw-opponent-penn-north-carolina-south-region-277785345/",
      "title": "Illini MBB earns No. 3 seed in NCAA Tournament, will play No. 14 ...",
      "snippet": "Illinois men's basketball earned a No. 3 seed in the West Region of the 2026 NCAA Tournament and will play No. 14 seed Penn at Bon Secours ..."
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 7

Mar 18, 2026, 8:37 PM

Now I have a strong foundation. Let me create my bracket based on my research. Here's what I've learned: **Key Insights:** 1. **Top 4 seeds**: Duke (#1 overall), Arizona (#1 West), Michigan (#1 Midwest), Florida (#1 South) 2. **Notable upsets to consider**: - Northern Iowa over St. John's (12-5) - experienced, slow pace - McNeese over Vanderbilt (12-5) - strong mid-major - Santa Clara over Kentucky (10-7) - popular upset pick - High Point over Wisconsin (12-5) - strong mid-major - VCU over North Carolina (11-6) - possible upset 3. **Championship contenders**: Duke, Arizona, Michigan, Iowa State, Houston, UConn, Purdue Let me build my bracket systematically by region:

Tool Call: lookup_game

{
  "gameId": "game-1"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-2"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-3"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-4"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-5"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "duke-blue-devils",
      "name": "Blue Devils",
      "seed": 1,
      "region": "east"
    },
    "team2": {
      "id": "siena-saints",
      "name": "Saints",
      "seed": 16,
      "region": "east"
    },
    "gameId": "game-1"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "ohio-state-buckeyes",
      "name": "Buckeyes",
      "seed": 8,
      "region": "east"
    },
    "team2": {
      "id": "tcu-horned-frogs",
      "name": "Horned Frogs",
      "seed": 9,
      "region": "east"
    },
    "gameId": "game-2"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "st-johns-red-storm",
      "name": "Red Storm",
      "seed": 5,
      "region": "east"
    },
    "team2": {
      "id": "northern-iowa-panthers",
      "name": "Panthers",
      "seed": 12,
      "region": "east"
    },
    "gameId": "game-3"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "kansas-jayhawks",
      "name": "Jayhawks",
      "seed": 4,
      "region": "east"
    },
    "team2": {
      "id": "california-baptist-lancers",
      "name": "Lancers",
      "seed": 13,
      "region": "east"
    },
    "gameId": "game-4"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "louisville-cardinals",
      "name": "Cardinals",
      "seed": 6,
      "region": "east"
    },
    "team2": {
      "id": "south-florida-bulls",
      "name": "Bulls",
      "seed": 11,
      "region": "east"
    },
    "gameId": "game-5"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 8

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-6"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-7"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-8"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-9"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-10"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "michigan-state-spartans",
      "name": "Spartans",
      "seed": 3,
      "region": "east"
    },
    "team2": {
      "id": "north-dakota-state-bison",
      "name": "Bison",
      "seed": 14,
      "region": "east"
    },
    "gameId": "game-6"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "ucla-bruins",
      "name": "Bruins",
      "seed": 7,
      "region": "east"
    },
    "team2": {
      "id": "ucf-knights",
      "name": "Knights",
      "seed": 10,
      "region": "east"
    },
    "gameId": "game-7"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "uconn-huskies",
      "name": "Huskies",
      "seed": 2,
      "region": "east"
    },
    "team2": {
      "id": "furman-paladins",
      "name": "Paladins",
      "seed": 15,
      "region": "east"
    },
    "gameId": "game-8"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "arizona-wildcats",
      "name": "Wildcats",
      "seed": 1,
      "region": "west"
    },
    "team2": {
      "id": "long-island-university-sharks",
      "name": "Sharks",
      "seed": 16,
      "region": "west"
    },
    "gameId": "game-9"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "villanova-wildcats",
      "name": "Wildcats",
      "seed": 8,
      "region": "west"
    },
    "team2": {
      "id": "utah-state-aggies",
      "name": "Aggies",
      "seed": 9,
      "region": "west"
    },
    "gameId": "game-10"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 9

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-11"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-12"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-13"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-14"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-15"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "wisconsin-badgers",
      "name": "Badgers",
      "seed": 5,
      "region": "west"
    },
    "team2": {
      "id": "high-point-panthers",
      "name": "Panthers",
      "seed": 12,
      "region": "west"
    },
    "gameId": "game-11"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "arkansas-razorbacks",
      "name": "Razorbacks",
      "seed": 4,
      "region": "west"
    },
    "team2": {
      "id": "hawaii-rainbow-warriors",
      "name": "Rainbow Warriors",
      "seed": 13,
      "region": "west"
    },
    "gameId": "game-12"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "byu-cougars",
      "name": "Cougars",
      "seed": 6,
      "region": "west"
    },
    "team2": {
      "id": "texas-longhorns",
      "name": "Longhorns",
      "seed": 11,
      "region": "west"
    },
    "gameId": "game-13",
    "team2Alt": {
      "id": "nc-state-wolfpack",
      "name": "Wolfpack",
      "seed": 11,
      "region": "west"
    }
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "gonzaga-bulldogs",
      "name": "Bulldogs",
      "seed": 3,
      "region": "west"
    },
    "team2": {
      "id": "kennesaw-state-owls",
      "name": "Owls",
      "seed": 14,
      "region": "west"
    },
    "gameId": "game-14"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "miami-hurricanes",
      "name": "Hurricanes",
      "seed": 7,
      "region": "west"
    },
    "team2": {
      "id": "missouri-tigers",
      "name": "Tigers",
      "seed": 10,
      "region": "west"
    },
    "gameId": "game-15"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 10

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-16"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-17"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-18"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-19"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-20"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "purdue-boilermakers",
      "name": "Boilermakers",
      "seed": 2,
      "region": "west"
    },
    "team2": {
      "id": "queens-nc-royals",
      "name": "Queens Royals",
      "seed": 15,
      "region": "west"
    },
    "gameId": "game-16"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "florida-gators",
      "name": "Gators",
      "seed": 1,
      "region": "south"
    },
    "team2": {
      "id": "prairie-view-am-panthers",
      "name": "Panthers",
      "seed": 16,
      "region": "south"
    },
    "gameId": "game-17",
    "team2Alt": {
      "id": "lehigh-mountain-hawks",
      "name": "Mountain Hawks",
      "seed": 16,
      "region": "south"
    }
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "clemson-tigers",
      "name": "Tigers",
      "seed": 8,
      "region": "south"
    },
    "team2": {
      "id": "iowa-hawkeyes",
      "name": "Hawkeyes",
      "seed": 9,
      "region": "south"
    },
    "gameId": "game-18"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "vanderbilt-commodores",
      "name": "Commodores",
      "seed": 5,
      "region": "south"
    },
    "team2": {
      "id": "mcneese-cowboys",
      "name": "Cowboys",
      "seed": 12,
      "region": "south"
    },
    "gameId": "game-19"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "nebraska-cornhuskers",
      "name": "Cornhuskers",
      "seed": 4,
      "region": "south"
    },
    "team2": {
      "id": "troy-trojans",
      "name": "Trojans",
      "seed": 13,
      "region": "south"
    },
    "gameId": "game-20"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 11

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-21"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-22"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-23"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-24"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-25"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "north-carolina-tar-heels",
      "name": "Tar Heels",
      "seed": 6,
      "region": "south"
    },
    "team2": {
      "id": "vcu-rams",
      "name": "Rams",
      "seed": 11,
      "region": "south"
    },
    "gameId": "game-21"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "illinois-fighting-illini",
      "name": "Fighting Illini",
      "seed": 3,
      "region": "south"
    },
    "team2": {
      "id": "pennsylvania-quakers",
      "name": "Quakers",
      "seed": 14,
      "region": "south"
    },
    "gameId": "game-22"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "saint-marys-gaels",
      "name": "Gaels",
      "seed": 7,
      "region": "south"
    },
    "team2": {
      "id": "texas-am-aggies",
      "name": "Aggies",
      "seed": 10,
      "region": "south"
    },
    "gameId": "game-23"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "houston-cougars",
      "name": "Cougars",
      "seed": 2,
      "region": "south"
    },
    "team2": {
      "id": "idaho-vandals",
      "name": "Vandals",
      "seed": 15,
      "region": "south"
    },
    "gameId": "game-24"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "michigan-wolverines",
      "name": "Wolverines",
      "seed": 1,
      "region": "midwest"
    },
    "team2": {
      "id": "umbc-retrievers",
      "name": "Retrievers",
      "seed": 16,
      "region": "midwest"
    },
    "gameId": "game-25",
    "team2Alt": {
      "id": "howard-bison",
      "name": "Bison",
      "seed": 16,
      "region": "midwest"
    }
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 12

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-26"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-27"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-28"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-29"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-30"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "georgia-bulldogs",
      "name": "Bulldogs",
      "seed": 8,
      "region": "midwest"
    },
    "team2": {
      "id": "saint-louis-billikens",
      "name": "Billikens",
      "seed": 9,
      "region": "midwest"
    },
    "gameId": "game-26"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "texas-tech-red-raiders",
      "name": "Red Raiders",
      "seed": 5,
      "region": "midwest"
    },
    "team2": {
      "id": "akron-zips",
      "name": "Zips",
      "seed": 12,
      "region": "midwest"
    },
    "gameId": "game-27"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "alabama-crimson-tide",
      "name": "Crimson Tide",
      "seed": 4,
      "region": "midwest"
    },
    "team2": {
      "id": "hofstra-pride",
      "name": "Pride",
      "seed": 13,
      "region": "midwest"
    },
    "gameId": "game-28"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "tennessee-volunteers",
      "name": "Volunteers",
      "seed": 6,
      "region": "midwest"
    },
    "team2": {
      "id": "smu-mustangs",
      "name": "Mustangs",
      "seed": 11,
      "region": "midwest"
    },
    "gameId": "game-29",
    "team2Alt": {
      "id": "miami-oh-redhawks",
      "name": "RedHawks",
      "seed": 11,
      "region": "midwest"
    }
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "virginia-cavaliers",
      "name": "Cavaliers",
      "seed": 3,
      "region": "midwest"
    },
    "team2": {
      "id": "wright-state-raiders",
      "name": "Raiders",
      "seed": 14,
      "region": "midwest"
    },
    "gameId": "game-30"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 13

Mar 18, 2026, 8:37 PM

Tool Call: lookup_game

{
  "gameId": "game-31"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Call: lookup_game

{
  "gameId": "game-32"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "kentucky-wildcats",
      "name": "Wildcats",
      "seed": 7,
      "region": "midwest"
    },
    "team2": {
      "id": "santa-clara-broncos",
      "name": "Broncos",
      "seed": 10,
      "region": "midwest"
    },
    "gameId": "game-31"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: lookup_game

{
  "game": {
    "team1": {
      "id": "iowa-state-cyclones",
      "name": "Cyclones",
      "seed": 2,
      "region": "midwest"
    },
    "team2": {
      "id": "tennessee-state-tigers",
      "name": "Tigers",
      "seed": 15,
      "region": "midwest"
    },
    "gameId": "game-32"
  }
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 14

Mar 18, 2026, 8:37 PM

Perfect! Now I'll build my complete bracket. Let me make strategic picks: **ROUND 1 (Round of 64) - My Picks:** **EAST Region:** - game-1: Duke (strong #1) - game-2: Ohio State (8 over 9) - game-3: **Northern Iowa** (12 over 5 - St. John's upset) - game-4: Kansas (strong 4) - game-5: Louisville (6 over 11) - game-6: Michigan State (3 over 14) - game-7: UCLA (7 over 10) - game-8: UConn (2 over 15) **WEST Region:** - game-9: Arizona (strong #1) - game-10: Villanova (8 over 9) - game-11: **High Point** (12 over 5 - Wisconsin upset) - game-12: Arkansas (4 over 13) - game-13: **NC State** (11 over 6 - BYU upset, popular pick) - game-14: Gonzaga (3 over 14) - game-15: Miami (7 over 10) - game-16: Purdue (2 over 15) **SOUTH Region:** - game-17: Florida (strong #1) - game-18: Clemson (8 over 9) - game-19: **McNeese** (12 over 5 - Vanderbilt upset) - game-20: Nebraska (4 over 13) - game-21: **VCU** (11 over 6 - NC upset) - game-22: Illinois (3 over 14) - game-23: Texas A&M (10 over 7) - game-24: Houston (2 over 15) **MIDWEST Region:** - game-25: Michigan (strong #1) - game-26: Georgia (8 over 9) - game-27: Texas Tech (5 over 12) - game-28: Alabama (4 over 13) - game-29: **SMU** (11 over 6 - Tennessee upset) - game-30: Virginia (3 over 14) - game-31: **Santa Clara** (10 over 7 - Kentucky upset) - game-32: Iowa State (2 over 15) Now let me build the complete bracket with all rounds:

Tool Call: validate_bracket

{
  "r1": [
    {
      "gameId": "game-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "game-2",
      "winnerId": "ohio-state-buckeyes"
    },
    {
      "gameId": "game-3",
      "winnerId": "northern-iowa-panthers"
    },
    {
      "gameId": "game-4",
      "winnerId": "kansas-jayhawks"
    },
    {
      "gameId": "game-5",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "game-6",
      "winnerId": "michigan-state-spartans"
    },
    {
      "gameId": "game-7",
      "winnerId": "ucla-bruins"
    },
    {
      "gameId": "game-8",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "game-9",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "game-10",
      "winnerId": "villanova-wildcats"
    },
    {
      "gameId": "game-11",
      "winnerId": "high-point-panthers"
    },
    {
      "gameId": "game-12",
      "winnerId": "arkansas-razorbacks"
    },
    {
      "gameId": "game-13",
      "winnerId": "nc-state-wolfpack"
    },
    {
      "gameId": "game-14",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "game-15",
      "winnerId": "miami-hurricanes"
    },
    {
      "gameId": "game-16",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "game-17",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "game-18",
      "winnerId": "clemson-tigers"
    },
    {
      "gameId": "game-19",
      "winnerId": "mcneese-cowboys"
    },
    {
      "gameId": "game-20",
      "winnerId": "nebraska-cornhuskers"
    },
    {
      "gameId": "game-21",
      "winnerId": "vcu-rams"
    },
    {
      "gameId": "game-22",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "game-23",
      "winnerId": "texas-am-aggies"
    },
    {
      "gameId": "game-24",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "game-25",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "game-26",
      "winnerId": "georgia-bulldogs"
    },
    {
      "gameId": "game-27",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "game-28",
      "winnerId": "alabama-crimson-tide"
    },
    {
      "gameId": "game-29",
      "winnerId": "smu-mustangs"
    },
    {
      "gameId": "game-30",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "game-31",
      "winnerId": "santa-clara-broncos"
    },
    {
      "gameId": "game-32",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r2": [
    {
      "gameId": "r32-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "r32-east-2",
      "winnerId": "northern-iowa-panthers"
    },
    {
      "gameId": "r32-east-3",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "r32-east-4",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "r32-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "r32-west-2",
      "winnerId": "high-point-panthers"
    },
    {
      "gameId": "r32-west-3",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "r32-west-4",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "r32-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "r32-south-2",
      "winnerId": "mcneese-cowboys"
    },
    {
      "gameId": "r32-south-3",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "r32-south-4",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "r32-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "r32-midwest-2",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "r32-midwest-3",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "r32-midwest-4",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r3": [
    {
      "gameId": "s16-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "s16-east-2",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "s16-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "s16-west-2",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "s16-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "s16-south-2",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "s16-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "s16-midwest-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r4": [
    {
      "gameId": "e8-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "e8-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "e8-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "e8-midwest-1",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r5": [
    {
      "gameId": "ff-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "ff-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r6": [
    {
      "gameId": "champ-1",
      "winnerId": "duke-blue-devils"
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: validate_bracket

{
  "valid": true
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 15

Mar 18, 2026, 8:37 PM

Excellent! My bracket is valid. But let me make some adjustments. Looking at my research, I notice: - I should have more interesting upsets in Sweet 16 - Need to reconsider some R32 matchups based on my upset picks Let me recalibrate my bracket to be more strategic: **Revised Analysis for deeper rounds:** - R2: Northern Iowa likely loses to Michigan State in R32 (too good), so adjust expectations - McNeese unlikely to beat two good teams in a row - High Point probably doesn't advance far - Santa Clara and VCU are true upsets Let me revise to a more balanced approach:

Tool Call: validate_bracket

{
  "r1": [
    {
      "gameId": "game-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "game-2",
      "winnerId": "ohio-state-buckeyes"
    },
    {
      "gameId": "game-3",
      "winnerId": "northern-iowa-panthers"
    },
    {
      "gameId": "game-4",
      "winnerId": "kansas-jayhawks"
    },
    {
      "gameId": "game-5",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "game-6",
      "winnerId": "michigan-state-spartans"
    },
    {
      "gameId": "game-7",
      "winnerId": "ucla-bruins"
    },
    {
      "gameId": "game-8",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "game-9",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "game-10",
      "winnerId": "villanova-wildcats"
    },
    {
      "gameId": "game-11",
      "winnerId": "high-point-panthers"
    },
    {
      "gameId": "game-12",
      "winnerId": "arkansas-razorbacks"
    },
    {
      "gameId": "game-13",
      "winnerId": "nc-state-wolfpack"
    },
    {
      "gameId": "game-14",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "game-15",
      "winnerId": "miami-hurricanes"
    },
    {
      "gameId": "game-16",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "game-17",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "game-18",
      "winnerId": "clemson-tigers"
    },
    {
      "gameId": "game-19",
      "winnerId": "mcneese-cowboys"
    },
    {
      "gameId": "game-20",
      "winnerId": "nebraska-cornhuskers"
    },
    {
      "gameId": "game-21",
      "winnerId": "vcu-rams"
    },
    {
      "gameId": "game-22",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "game-23",
      "winnerId": "texas-am-aggies"
    },
    {
      "gameId": "game-24",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "game-25",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "game-26",
      "winnerId": "georgia-bulldogs"
    },
    {
      "gameId": "game-27",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "game-28",
      "winnerId": "alabama-crimson-tide"
    },
    {
      "gameId": "game-29",
      "winnerId": "smu-mustangs"
    },
    {
      "gameId": "game-30",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "game-31",
      "winnerId": "santa-clara-broncos"
    },
    {
      "gameId": "game-32",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r2": [
    {
      "gameId": "r32-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "r32-east-2",
      "winnerId": "michigan-state-spartans"
    },
    {
      "gameId": "r32-east-3",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "r32-east-4",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "r32-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "r32-west-2",
      "winnerId": "arkansas-razorbacks"
    },
    {
      "gameId": "r32-west-3",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "r32-west-4",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "r32-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "r32-south-2",
      "winnerId": "nebraska-cornhuskers"
    },
    {
      "gameId": "r32-south-3",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "r32-south-4",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "r32-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "r32-midwest-2",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "r32-midwest-3",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "r32-midwest-4",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r3": [
    {
      "gameId": "s16-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "s16-east-2",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "s16-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "s16-west-2",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "s16-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "s16-south-2",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "s16-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "s16-midwest-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r4": [
    {
      "gameId": "e8-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "e8-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "e8-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "e8-midwest-1",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r5": [
    {
      "gameId": "ff-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "ff-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r6": [
    {
      "gameId": "champ-1",
      "winnerId": "duke-blue-devils"
    }
  ]
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: validate_bracket

{
  "valid": true
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 16

Mar 18, 2026, 8:37 PM

Great! Now I need to decide on the championship game tiebreaker. Based on my research, Duke is the #1 overall seed and likely championship favorite. Let me estimate a typical championship game score. Duke has strong offense and defense. If they make the Finals against Iowa State (another strong #2 seed), this would be a competitive game. Based on typical NCAA championship scores, I'd estimate around 75-72 to 80-75 range. Let me use a reasonable estimate:

Tool Call: calculator

{
  "expression": "75 + 72"
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: calculator

{
  "result": 147
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

assistantMessage 17

Mar 18, 2026, 8:37 PM

Perfect. My tiebreaker score will be 147 (estimating a tight championship game around 75-72). Now let me submit my bracket:

Tool Call: submit_bracket

{
  "r1": [
    {
      "gameId": "game-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "game-2",
      "winnerId": "ohio-state-buckeyes"
    },
    {
      "gameId": "game-3",
      "winnerId": "northern-iowa-panthers"
    },
    {
      "gameId": "game-4",
      "winnerId": "kansas-jayhawks"
    },
    {
      "gameId": "game-5",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "game-6",
      "winnerId": "michigan-state-spartans"
    },
    {
      "gameId": "game-7",
      "winnerId": "ucla-bruins"
    },
    {
      "gameId": "game-8",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "game-9",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "game-10",
      "winnerId": "villanova-wildcats"
    },
    {
      "gameId": "game-11",
      "winnerId": "high-point-panthers"
    },
    {
      "gameId": "game-12",
      "winnerId": "arkansas-razorbacks"
    },
    {
      "gameId": "game-13",
      "winnerId": "nc-state-wolfpack"
    },
    {
      "gameId": "game-14",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "game-15",
      "winnerId": "miami-hurricanes"
    },
    {
      "gameId": "game-16",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "game-17",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "game-18",
      "winnerId": "clemson-tigers"
    },
    {
      "gameId": "game-19",
      "winnerId": "mcneese-cowboys"
    },
    {
      "gameId": "game-20",
      "winnerId": "nebraska-cornhuskers"
    },
    {
      "gameId": "game-21",
      "winnerId": "vcu-rams"
    },
    {
      "gameId": "game-22",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "game-23",
      "winnerId": "texas-am-aggies"
    },
    {
      "gameId": "game-24",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "game-25",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "game-26",
      "winnerId": "georgia-bulldogs"
    },
    {
      "gameId": "game-27",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "game-28",
      "winnerId": "alabama-crimson-tide"
    },
    {
      "gameId": "game-29",
      "winnerId": "smu-mustangs"
    },
    {
      "gameId": "game-30",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "game-31",
      "winnerId": "santa-clara-broncos"
    },
    {
      "gameId": "game-32",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r2": [
    {
      "gameId": "r32-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "r32-east-2",
      "winnerId": "michigan-state-spartans"
    },
    {
      "gameId": "r32-east-3",
      "winnerId": "louisville-cardinals"
    },
    {
      "gameId": "r32-east-4",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "r32-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "r32-west-2",
      "winnerId": "arkansas-razorbacks"
    },
    {
      "gameId": "r32-west-3",
      "winnerId": "gonzaga-bulldogs"
    },
    {
      "gameId": "r32-west-4",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "r32-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "r32-south-2",
      "winnerId": "nebraska-cornhuskers"
    },
    {
      "gameId": "r32-south-3",
      "winnerId": "illinois-fighting-illini"
    },
    {
      "gameId": "r32-south-4",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "r32-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "r32-midwest-2",
      "winnerId": "texas-tech-red-raiders"
    },
    {
      "gameId": "r32-midwest-3",
      "winnerId": "virginia-cavaliers"
    },
    {
      "gameId": "r32-midwest-4",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r3": [
    {
      "gameId": "s16-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "s16-east-2",
      "winnerId": "uconn-huskies"
    },
    {
      "gameId": "s16-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "s16-west-2",
      "winnerId": "purdue-boilermakers"
    },
    {
      "gameId": "s16-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "s16-south-2",
      "winnerId": "houston-cougars"
    },
    {
      "gameId": "s16-midwest-1",
      "winnerId": "michigan-wolverines"
    },
    {
      "gameId": "s16-midwest-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r4": [
    {
      "gameId": "e8-east-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "e8-west-1",
      "winnerId": "arizona-wildcats"
    },
    {
      "gameId": "e8-south-1",
      "winnerId": "florida-gators"
    },
    {
      "gameId": "e8-midwest-1",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r5": [
    {
      "gameId": "ff-1",
      "winnerId": "duke-blue-devils"
    },
    {
      "gameId": "ff-2",
      "winnerId": "iowa-state-cyclones"
    }
  ],
  "r6": [
    {
      "gameId": "champ-1",
      "winnerId": "duke-blue-devils"
    }
  ],
  "tiebreakerScore": 147
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tool Result: submit_bracket

{
  "submitted": true
}

Provider Metadata

{
  "anthropic": {
    "caller": {
      "type": "direct"
    }
  }
}

Tokens

Input: 408136
Output: 8645
Reasoning: —