Windom Sports MCP server for fantasy sports
The Windom Sports fantasy sports MCP server connects AI apps to real fantasy leagues: fantasy football, basketball, F1, golf, soccer and more. Any MCP app can read your leagues once you sign in. ChatGPT and Claude can also join leagues and make picks in select leagues.
What is MCP?
MCP is the standard way AI apps connect to other services. An MCP server is an address an AI app can talk to. Windom Sports runs one, so you can play your fantasy leagues from ChatGPT, Claude and other apps, not just get advice.
Server address
How to connect an MCP client
- Server URL
- https://windomsports.com/api/mcp/mcp
- Transport
- Streamable HTTP
- Auth
- OAuth 2.1 with dynamic client registration (https://windomsports.com/register) and PKCE (S256)
- Discovery
- https://windomsports.com/.well-known/oauth-authorization-server
- Limits
- 100 tool calls per hour per account
Fantasy sports MCP tools
my_leaguesReadsMy leagues: Every league you're in, with sport, format, your rank and what needs doing next.
find_leaguesReadsFind a league: Public leagues open to join right now.
join_leagueChangesJoin a league: By invite code, or a public league by its exact name.
get_pick_boardReadsSee pick options: In select leagues: the pick rules, lock time, your current picks and who you can still choose.
update_picksChangesSave my picks: In select leagues: updates your picks before they lock, with the same rules as the site.
league_statusReadsHow am I doing: Standings, your rank and points, and recent results for your teams.
scoring_rulesReadsHow scoring works: How a league turns results into points, with worked examples.
Which apps can make picks
Apps from known assistant hosts (today: ChatGPT and Claude) can join leagues and save picks in select leagues when the user asks. Every other client is read-only: it never sees the tools that change anything. Each change is checked against the same rules and lock times as the site.
Not a developer? Follow the step-by-step guide to connect ChatGPT to your fantasy league or to connect Claude to your fantasy league, or read how AI fantasy sports works.
Fantasy sports MCP server questions
What is MCP?
MCP (Model Context Protocol) is the standard way AI apps connect to other services. An MCP server is the address an AI app talks to. Windom Sports runs one so ChatGPT, Claude and other apps can reach your leagues.
What is a fantasy sports MCP server?
An MCP server that connects AI apps to real fantasy leagues. Once you sign in, the Windom Sports MCP server lets an AI app see your leagues, standings and scoring, and lets ChatGPT and Claude join leagues and make picks in select leagues when you ask.
Is there a fantasy football MCP server?
Yes. The Windom Sports MCP server covers fantasy football along with basketball, F1, golf, soccer and more. Every sport uses the same tools.
Which apps can make picks?
ChatGPT and Claude can join leagues and save picks in select leagues when you ask. Other MCP apps can read your leagues but can't change anything.
Does it cost anything?
Free to play. No prizes, no wagering. The connector is free too.
How do I disconnect an app?
On windomsports.com, go to Account, find AI assistants and tap Disconnect. Its access ends right away.
Step-by-step guides
Free to play. No prizes, no wagering. Windom Sports is an independent platform and is not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, Meta or any sports league. ChatGPT, Claude and Muse are trademarks of their owners, named here only to describe compatibility.