AI Fantasy Sports for Claude, ChatGPT & More: League Loom
Works with ESPN · Sleeper · Fantrax
AI for fantasy sports,<br>in Claude & ChatGPT.
Every roster. Every league. One view.
League Loom is a free, read-only connector that brings your ESPN, Sleeper, and Fantrax fantasy leagues into Claude, ChatGPT, and other AI tools, grounded in your live league data, not stale copy-paste.
Ask about rosters, lineup risk, waiver targets, and matchups across football, basketball, baseball, and hockey. One question, every league answered.
Get started<br>See example prompts
SleeperFantraxESPNNFL · NBA · MLB · NHL
Your teams · this week<br>NFLGridiron Gurus Sleeper · #2 · 7-4<br>Wk 12 · leading +18
NBAHardwood Hustlers Fantrax · #6 · 9-9<br>2 waiver targets
NFLBye Week Bandits ESPN · #1 · 9-2<br>1 starter on bye
One question. Every league answered.
The intelligent layer<br>Everything about your teams, woven together<br>League Loom reads your ESPN, Sleeper, and Fantrax leagues so you can ask Claude or ChatGPT in plain language and get an answer that spans all of them.
Every league, one view<br>Sleeper, Fantrax, and ESPN woven together, with all your teams in a single answer.
Roster context<br>Who's starting, who's hurt, who's on bye, across every team you manage.
Waiver opportunities<br>Surface the best available adds in each league, ranked and worth your claim.
Lineup risk<br>Catch a bye-week starter or a bad matchup before kickoff, not after.
Trade & matchup help<br>Size up your week, your opponent, and where your roster is thin.
Smarter decisions<br>Standings, records, and projections turned into a clear call. Just ask.
2 minutes<br>How it works<br>No API keys, nothing to copy. Connect once in Claude, ChatGPT, or any MCP tool, then ask anything.
1Add the connector<br>In your AI tool's connector settings, add a custom connector and paste the League Loom URL. No API keys.
2Pick your teams<br>A quick wizard finds your leagues and lets you pick your team in each. About a minute.
3Just ask<br>“How are all my teams doing?” League Loom weaves every league into one answer.
ClaudeChatGPTOther tools
Open Settings → Connectors and choose Add custom connector .<br>Paste the League Loom URL below and click Connect . Leave Client ID & Secret blank.<br>Finish the quick wizard to pick your teams, then ask away.
Open Settings → Apps & Connectors . If you don't see custom connectors, turn on Developer mode under Advanced settings .<br>Choose Create , name it League Loom, and paste the URL below into the Connector URL field, then authorize.<br>Turn League Loom on in a chat, finish the wizard, and ask away.<br>Custom connectors require a ChatGPT plan that supports them (Plus, Pro, Business, Enterprise, or Education).
Works with any MCP-compatible tool, including Cursor, Cline, Goose, Raycast, and more.<br>Add a custom MCP server / connector and paste the League Loom URL below. Leave Client ID & Secret blank.<br>Authorize, finish the quick wizard to pick your teams, then ask away.<br>Any app that speaks the Model Context Protocol can connect, using the same URL shown above.
…/mcpCopy URL
Paste this URL as a custom connector. Leave Client ID & Secret blank, then follow the quick wizard.
Prompt library<br>Ready-made fantasy prompts<br>Tap a card to copy its prompt, then paste it into Claude or ChatGPT for an answer across all your leagues. No prompt-engineering required.
Weekly Newsletter<br>A skimmable weekly newsletter across all your leagues, covering record, matchup and score, roster alerts, and the top waiver add for each team.<br>Copy the newsletter prompt<br>Waiver Wire Report<br>The top available free agents you could add this week, ranked across all your leagues, with which league each one is in.<br>Copy the waiver report<br>Start/Sit & Lineup Check<br>Catch a bye-week starter, an injury, or a brutal matchup before games lock, across every team at once.<br>Copy the lineup check
Browse the prompt library →
Popular questions<br>What people ask first<br>The short version for fantasy managers deciding whether League Loom fits their league. The full FAQ covers setup, privacy, supported platforms, sports, and tools.
What is League Loom?League Loom is a free, read-only AI connector for fantasy sports. It brings your ESPN, Sleeper, and Fantrax leagues into Claude, ChatGPT, and other MCP-compatible AI tools so you can ask about rosters, waivers, matchups, standings, drafts, and lineup risk in plain language.
Is League Loom free?Yes. League Loom is free to use, with no paid tier. You can connect supported ESPN, Sleeper, and Fantrax leagues and ask read-only questions about them from your AI tool.
Can I use ChatGPT or Claude for fantasy football?Yes. League Loom connects ChatGPT, Claude, and other AI tools to your real fantasy football leagues, so answers can use your actual rosters, matchups, standings, and available players instead of generic rankings or pasted snapshots.
Do I have to paste my roster into ChatGPT?No. ChatGPT and Claude cannot see your fantasy league by themselves, but League Loom gives them a live,...