Fantasy AI for ESPN · Sleeper · Fantrax
Every fantasy league. One AI.
Live answers in Claude, ChatGPT, and more.
League Loom is a free fantasy sports connector that gives AI secure access to your live rosters, standings, matchups, waiver pools, and league settings across ESPN, Sleeper, and Fantrax.
How much waiver budget do I have left?
AI Assistant · Example answer
You have $345 left of your $1,000 waiver budget. That’s 34.5% available for your next claims.
Real league data from . Ask for a fresh check.
Explore the fantasy football example
Your first useful answer
Bring your next decision to your AI
Choose where you play and what you want to check. Connect once, then reuse the prompt whenever you need it.
Using Meta Muse? Follow the chat-based Muse setup guide.
Connect your leagues
Requires an AI plan and workspace permissions that allow custom connectors. League Loom is free; fair-use limits apply. Setup is easier on a computer.
Set up your leagues here firstAsk in your connected conversation
Use League Loom to review my connected teams. Confirm each sport, season and scoring period first. Show one useful next step per team, with source times and missing data clearly identified.
Already connected? Start here. Keep the prompt for your next check; each run asks for fresh data.
These choices are remembered in this browser for seven days.
Your next fantasy decision
Make this week easier
Start with your connected leagues, then ask for one useful decision at a time.
Review every team
Get a weekly recap with one priority per team and missing data clearly identified.
Run the weekly review →Plan your waiver claims
Compare available adds with possible drops, your roster needs and the budget returned for your league.
Build a waiver plan →Check before lineup lock
Compare eligible starters, confirm scoring and identify the news that could change your decision.
Check a lineup decision →Your fantasy command center
Every league, woven into one answer
Give Claude or ChatGPT the live context generic fantasy advice is missing: your teams, your rules, your opponents, and your waiver wire.
Every league together
ESPN, Sleeper, and Fantrax teams woven into one clear answer.
Live roster context
Starters, benches, injuries, byes, and roster rules from your real leagues.
League-specific waivers
Rank the players who are actually available against the needs of each team.
Lineup signals
Find the starter, injury, or matchup that needs attention before games lock.
Trade and matchup context
See where your roster is strong, where it is thin, and what changes the week.
One question, one plan
Turn standings, scores, projections, and player data into the next best decision.
About 2 minutes
Connect once. Keep asking.
No API keys, spreadsheets, or roster screenshots. One guided setup brings your leagues into any compatible AI tool.
Add one connector
Paste the League Loom URL into Claude, ChatGPT, or another MCP-compatible tool.
Connect your teams
The guided setup finds supported leagues and lets you choose the teams that matter.
Ask in plain language
Ask one question and get an answer grounded in every connected league.
- Copy the League Loom URL below.
- Open Customize → Connectors, then choose + and Add custom connector. The button below jumps straight there.
- Name it League Loom, paste the URL into Remote MCP server URL, and click Add. Nothing under Advanced settings needs changing.
- Finish the quick wizard to pick your teams, then ask away.
- Copy the League Loom URL below.
- In ChatGPT on the web, open Settings → Security and login and turn on Developer mode. ChatGPT only creates an app from a server URL while it is on.
- Go to Plugins (chatgpt.com/plugins; some accounts show Apps instead) and select the + button. The button below jumps straight there.
- Name it League Loom, paste the URL as the MCP server URL, and choose OAuth for authentication.
- Tick I understand and want to continue, click Create, then finish the wizard. In a chat, choose Developer mode from the + menu, select League Loom, and ask away.
ChatGPT asks you to confirm you trust any custom app before it will create one. Developer mode is available on Plus, Pro, Business, Enterprise and Education plans. In a Business workspace only admins can use it, and on Enterprise or Education an admin grants access; in those workspaces the toggle is under Settings → Apps → Advanced settings. ChatGPT runs custom apps on the web only, not in its phone apps.
- Ask Meta Muse in chat to create a custom connector using the League Loom server URL below.
- Complete /setup on League Loom to choose your leagues and get a connection token. Keep write access off.
- Request Muse's secure credential-entry flow and enter the token yourself there. Never paste it into ordinary chat. Review the access request, then confirm your team and season.
Use the guide for a copyable setup prompt and token-handling details. This is the owner's reported workflow; we have not independently completed a Muse connection.
- Works with any MCP-compatible tool, including Cursor, Cline, Goose, Raycast, and more.
- Add a custom MCP server and paste the League Loom URL below as the server address.
- Authorize, finish the quick wizard to pick your teams, then ask away.
Any app that speaks the Model Context Protocol can connect, using the same URL shown above.
Adding a connector is a job for a computer. You can still open the setup above from this phone, or send yourself the link and finish later.
…/mcpEvery tool asks for the same two things: a name and this URL. Leave any advanced or authentication settings as they are.
Prompt library
Start with a question that saves time
Copy a proven prompt for your weekly review, waiver plan, or lineup check. League Loom supplies the live league context.
Popular questions
The answers before you connect
See how League Loom works with your platforms, sports, AI tools, privacy preferences, and current tool permissions.
What is League Loom?
League Loom is a free AI connector for fantasy sports. It brings live ESPN, Sleeper, and Fantrax league data into Claude, ChatGPT, and other MCP-compatible AI tools so you can ask about rosters, waivers, matchups, standings, drafts, and lineup decisions in plain language.
What is a fantasy sports MCP server?
MCP, the Model Context Protocol, is an open standard that lets AI tools read outside data sources. League Loom is an MCP server for fantasy sports: it gives Claude, ChatGPT, or any MCP compatible tool a set of read tools for live ESPN, Sleeper, and Fantrax league data. Once connected, the AI answers from your real rosters, matchups, standings, and waiver wire instead of guessing from training data.
Is League Loom free?
Yes. The MCP server and connector are free, with no subscription and no per-league fee. Fair-use request budgets apply. Connect supported ESPN, Sleeper, and Fantrax leagues and ask questions from your AI tool.
Can I set League Loom up on my phone?
Add the connector on a computer: claude.ai or Claude Desktop, or ChatGPT on the web. What works on a phone afterward depends on the assistant. In Claude, a connector added on the web or desktop is also available in the Claude iOS and Android apps, so you can ask about your leagues from your phone. In ChatGPT, custom apps like League Loom currently run only on the web, not in the ChatGPT phone apps. If you start on a phone, use Send to my computer to email or message yourself the link and finish later.
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 connection to your leagues. You ask in plain language, and the AI can pull the current league data it needs.
How do I connect League Loom to Muse?
Ask Muse in chat to create a custom connector for https://leagueloom.com/mcp. Complete the League Loom /setup page to choose your leagues. Provide the resulting token yourself through Muse's secure credential-entry flow when offered, then review the access request and verify your connected team. Do not paste the token into ordinary chat. This is the owner's reported workflow; a complete Muse connection has not been independently tested for this guide.
Private and deliberate
Your connection stays under your control
Data tools today
All 18 current tools retrieve or analyze league data. No write-action tools are registered.
Your own connection
Each manager connects only their leagues and teams. Nothing is shared across users.
Your recovery choice
Your credentials stay encrypted. Optionally verify an email to save a recovery backup, or keep your connection key yourself.
Read how League Loom is built, what is stored in the privacy policy, the terms of service, and every change in the release notes.
Guides
Find the guide built for your league
Every guide, by fantasy platform, AI assistant, weekly decision, sport, and developer topic. Each one connects back to live League Loom data.
By platform
By decision
By assistant
- Claude for every fantasy sport
- How to use Claude for fantasy football
- Claude fantasy football and basketball skill
- Connect ESPN to Claude
- Connect Sleeper to Claude
- Connect Meta Muse for fantasy football
- ChatGPT for every fantasy sport
- How to use ChatGPT for fantasy football
- Best AI for fantasy football, compared
- What the free AI fantasy assistant includes
- League Loom vs Flaim
By sport
NBA and NHL season
For developers
Your leagues, finally connected
Ask one question. See every team.
Add the free connector in about two minutes. No API keys, coding, roster exports, or repeated setup.