Works with ESPN · Sleeper · Fantrax
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.
One question. Every league answered.
Your AI fantasy engine
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.
Sleeper, Fantrax, and ESPN woven together, with all your teams in a single answer.
Who's starting, who's hurt, who's on bye, across every team you manage.
Surface the best available adds in each league, ranked and worth your claim.
Catch a bye-week starter or a bad matchup before kickoff, not after.
Size up your week, your opponent, and where your roster is thin.
Standings, records, and projections turned into a clear call. Just ask.
2 minutes
No API keys, nothing to copy. Connect once in Claude, ChatGPT, or any MCP tool, then ask anything.
In your AI tool's connector settings, add a custom connector and paste the League Loom URL. No API keys.
A quick wizard finds your leagues and lets you pick your team in each. About a minute.
“How are all my teams doing?” League Loom weaves every league into one answer.
Custom connectors require a ChatGPT plan that supports them (Plus, Pro, Business, Enterprise, or Education).
Any app that speaks the Model Context Protocol can connect, using the same URL shown above.
…/mcpPaste this URL as a custom connector. Leave Client ID & Secret blank, then follow the quick wizard.
Prompt library
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.
Popular questions
The short version for fantasy managers deciding whether League Loom fits their league. The full FAQ covers setup, privacy, supported platforms, sports, and tools.
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.
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.
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.
No. ChatGPT and Claude cannot see your fantasy league by themselves, but League Loom gives them a live, read-only connection. You ask in plain language, and the AI can pull the current league data it needs.
Private by design
League Loom never changes your lineup or makes moves. It reads, you decide.
Each person connects their own leagues. Share the link with friends, with no clashes.
Your credentials are sealed into your own encrypted connection, not a database.
Explore
Browse League Loom by platform, sport, and task, or see every use case in one place.