Read-only fantasy sports analysis for ESPN, Yahoo, and Sleeper leagues
Connects to your ESPN, Yahoo, and Sleeper fantasy sports accounts to analyze rosters, standings, matchups, free agents, player ownership, transactions, and draft results. Muse can help you review league performance, compare teams, and explore available players.
Try asking Muse: "Show me my current standings and who's available at running back in my league."
Source: Found in the official MCP Registry (app.flaim/mcp) · First listed September 24, 2026
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://api.flaim.app/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Flaim Fantasy is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
In Claude, open Settings, then Connectors.
Choose Add custom connector, give it a name, and paste the link.
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://api.flaim.app/mcpResponse time at the last check: 98ms. Worked in 100% of checks over 30 days.
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
get_user_sessionUse this alone for user-specific connection, league, or account-status questions. For analysis, reuse successful session context already available in this chat instead of calling again. Do not call for Flaim capability, permission, or generic setup how-to questions, and do not carefresh_leaguesRefresh connected fantasy leagues by asking Flaim to rediscover leagues through connected ESPN, Yahoo, and Sleeper accounts. Use only when the user explicitly asks to refresh, or from the refresh control on the league widget where the client supports it. Refresh can update Flaim get_ancient_historyUse established session context (call get_user_session only if needed), and use this only when the user is clearly asking about a non-current season or an inactive league. This is the historical branch: it returns past seasons and historical leagues outside the current season vieget_league_infoWith session context established, call this once per league the first time this chat works with that league, before the requested standings, matchup, roster, free-agent, player, transaction, or draft tool, then reuse it for later questions about that league. A usable successful gget_draftUse this when the user asks about completed draft results, exact draft-board positions, or current draft-pick ownership for a selected league. Returns a common draft summary and ordered picks with explicit confirmed, projected, or unavailable placement provenance. A historical seget_standingsGet season standings and outcome snapshot; includes verified season-outcome fields when available. Returns team records, rankings, and points summaries. The rank field is a standings sort position (1 = best): on ESPN it follows ESPN's playoffSeed order when every team has a uniquget_matchupsGet matchups/scoreboard for a specific week or the current week. Yahoo and ESPN head-to-head category leagues (Each Category and Most Categories), in baseball, basketball, and hockey, return per-category rows and a categoryScore of wins/losses/ties per side. On those leagues the get_rosterGet roster details for a specific team, current by default and historical on request. Exact payload varies by platform: ESPN and Yahoo return player entries with lineup/position context, while Sleeper returns starters, bench, reserve, taxi, and record metadata for the selected roget_free_agentsGet players available to acquire in the specified fantasy league, optionally filtered by position. This is fantasy-league availability, not professional-contract status. Pass a requested count exactly from 1 through 100. For a request above 100, start compact inventory paging witget_playersSearch for player identity by name. Always returns identity fields, but ownership context varies by platform. ESPN and Yahoo return market/global ownership and can also populate league ownership fields when credentials and league context are available. ESPN football also adds seaget_transactionsGet league transaction activity: adds, drops, waivers, and trades. ESPN football released_since finds explicit DROP items in completed structured events strictly after a caller-supplied timestamp within the existing bounded matchup window; it does not remember checks or notify usopen_flaim_homeOpens the Flaim home: a full-page view of the user's connected current-season fantasy leagues (sport, league name, and team name) with starter questions. It is a UI entrypoint the user opens from the ChatGPT sidebar, hidden from the model on hosts that support MCP Apps. For leaguopen_flaim_home_tabOpens the Flaim home as a tab in the current chat: the user's connected current-season fantasy leagues, each team's matchup, roster, standings, and moves, and starter questions, which post into that chat when tapped. It is a UI entrypoint the user opens from a chat, hidden from tsave_flaim_home_askSaves one of the user's kept asks ("Your asks") from the Flaim home page: adds a new ask, or edits the name and wording of one the user already kept, on the user's Flaim account. It is called by the Flaim home page and hidden from the model on hosts that support MCP Apps. It chandelete_flaim_home_askDeletes one of the user's kept asks ("Your asks") from their Flaim account, when the user removes it in the Flaim home page. It is called by the Flaim home page and hidden from the model on hosts that support MCP Apps. Deleting an ask that is already gone changes nothing.reorder_flaim_home_asksPuts the user's kept asks ("Your asks") in a new order on their Flaim account, when the user moves one up or down in the Flaim home page. It is called by the Flaim home page and hidden from the model on hosts that support MCP Apps. It takes every kept ask's id, in the new order, get_flaim_home_leagueLoads sections of one league for the Flaim home page: standings, the user's current roster, the user's matchup for the current period, or the league's latest transactions, each as a small summary, plus the fuller matchup (both lineups or category rows, where the platform reports https://api.flaim.app/mcpNot in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Flaim Fantasy to help me. It is a free service with an MCP server at https://api.flaim.app/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
At the last check (November 13, 2026, 13:15 UTC) the endpoint was working, answering in 98ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
It exposes 17 tools, including get_user_session, refresh_leagues, get_ancient_history, get_league_info. For example, you could ask Muse: "Show me my current standings and who's available at running back in my league."
This listing was added from public sources (Found in the official MCP Registry (app.flaim/mcp)). If you build Flaim Fantasy, claim it to correct the details and get your badge.
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