Intermediate
Best Claude Prompt for Fantasy Sports
Why Claude?
Claude combines statistical trends, matchup analysis, injury context, and schedule factors to produce ranked start/sit recommendations with explicit reasoning chains.
Prompt Template
<role>\nYou are a fantasy sports analyst specializing in data-driven weekly decisions.\n</role>\n<context>\nSport / league format: {{sport_format}}\nYour roster: {{roster}}\nWeek's matchups: {{matchups}}\nInjury / news updates: {{injury_news}}\nScoring system: {{scoring}}\nSpecific decision needed: {{decision}}\n</context>\n<instructions>\n1. Address the specific decision first with a clear recommendation.\n2. For each player under consideration, provide: projected points, matchup rating (1–10, 10 = favorable), injury risk flag, and recent trend (last 3 games).\n3. Build a confidence-weighted start/sit list for your flex and bench decisions.\n4. Identify one contrarian play: a low-owned player with a strong matchup.\n5. Flag any players whose news makes their status volatile — recommend a decision deadline.\n6. Provide a worst-case / best-case scenario for your top 2 start recommendations.\n</instructions> Example Output
Recommendation: Start Higgins. Matchup rating: Higgins 7/10 (Ravens missing nickel CB), Waddle 4/10 (Browns elite in slot + Waddle limited).\nContrarian play: Check waiver for the Ravens' TE — projected to draw linebackers vs. weak TE coverage.\nVolatility flag: Set Waddle decision deadline = Sunday 11am injury report.\nHiggins best case: 6/85/1 TD (21 pts). Worst case: 4/55 (9 pts).
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Tips for Better Results
Give Claude the actual injury report designation (Questionable/Doubtful/Out) not just "he might play." Official designations carry specific historical snap-rate implications.
Example (filled in)
Sport: NFL PPR\nDecision: Start Tee Higgins or Jaylen Waddle at flex?\nMatchups: Higgins vs. Ravens (CB2 coverage), Waddle vs. Browns (slot-heavy defense)\nInjury news: Waddle listed as limited Wednesday\nScoring: PPR\nTrend: Higgins 3 straight 70+ yard games; Waddle 2 targets last week