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.
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.
The intelligent layer
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 — 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).
…/mcpPaste this URL as a custom connector — leave Client ID & Secret blank. Or set up here first →
Just ask
Tap one to copy, then paste it into your AI tool once you're connected.
Prompt library
Tap a prompt, paste it into Claude or ChatGPT, and get an answer across all your leagues — no prompt-engineering.
A skimmable weekly newsletter across all your leagues — record, matchup and score, roster alerts, and the top waiver add for each team.
The top available free agents you could add this week, ranked across all your leagues, with which league each one is in.
Catch a bye-week starter, an injury, or a brutal matchup before games lock — across every team at once.
FAQ
How League Loom brings Claude, ChatGPT, and other AI tools to your ESPN, Sleeper, and Fantrax leagues.
League Loom is a free, read-only AI connector that brings your ESPN, Sleeper, and Fantrax fantasy leagues into Claude, ChatGPT, and other AI tools. Ask about your rosters, waivers, matchups, and lineup risk across every league in plain language — no API keys or coding required.
Yes. League Loom connects Claude, ChatGPT, and other AI tools to your real fantasy leagues, so you can ask about your roster, matchups, and waivers in plain language — football and basketball on all three platforms, plus baseball and hockey on ESPN and Fantrax.
Add League Loom as a custom connector in your AI tool's settings, paste the League Loom URL, and pick your teams in a quick wizard. No API keys and no coding — it takes about two minutes.
League Loom works with ESPN and Fantrax across NFL, NBA, MLB, and NHL, and with Sleeper for NFL and NBA. Connect multiple leagues from different platforms and see them all in one place.
Yes — League Loom is built as a hub. Ask “How are all my teams doing this week?” and it aggregates standings, matchups, and waiver targets across every connected league and platform into one answer.
League Loom is read-only. It reads your league data so the AI can answer questions, but it never sets lineups, makes trades, or changes your account. Your credentials are sealed into your own encrypted connection, not stored in a database.
Yes — League Loom is completely free and open source, with unlimited leagues across ESPN, Sleeper, and Fantrax. There's no paid tier.
Ask for weekly matchups, the best available waiver-wire adds, lineup risks like bye weeks and injuries, standings and records, trade ideas, or a recap of your drafts — for one league or all of them at once.
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 — no clashes.
Your credentials are sealed into your own encrypted connection, not a database.