Verified NFL stats and Sleeper league context, callable from ChatGPT, Claude, Claude Code, Cursor, or any MCP-compatible client.
muffed-mcp is an MCP project maintained in the cfagan17/muffed-mcp repository. The maintainer describes its purpose as “Verified NFL stats and Sleeper league context, callable from ChatGPT, Claude, Claude Code, Cursor, or any MCP-compatible client”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://muffed.ai/api/mcp. It declares streamable-http transport. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| get_current_insights | What Muffed thinks is actually real about the NFL right now — verified, dated, with the evidence |
| query_stat_leaders | League leaders on any verified metric, each with the rank its source gave it |
| get_entity_metrics | Every verified figure Muffed holds for one player or team |
| compare_entities | Two players or two teams side by side on the metrics both have |
| get_metric_definition | What a metric measures, and which seasons it actually covers |
| list_metrics | Which metrics can be asked about at all — keys and coverage, no figures |
| verify_claim | Checks a stated figure against the verified panel and returns the real one if it disagrees |
| get_backfield | Who backs up a starting running back — and in-season, who replaces an injured one |
| run_stat_query | A figure computed on request — qualified superlatives, multi-season streaks, derived rates — returned with its method, population and data version, and… |
| sleeper_find_leagues | Your Sleeper leagues, from your username |
| sleeper_get_league | Your league's setup — teams, scoring format, roster slots, managers |
| sleeper_matchup_preview | Verified context on both sides of a matchup |
| sleeper_roster_stories | Your roster's players and what's verified about each |
| sleeper_standings_story | Where your league stands, derived from Sleeper's roster records |
{
"mcpServers": {
"muffed": {
"type": "http",
"url": "https://muffed.ai/api/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
Enables language models to access and query athlete activity data from the Strava API.
Enables interaction with the Strava API through a Model Context Protocol (MCP) server.
Schedules, injury reports and fan-hub links for all 32 NFL and 30 NBA teams.
Read-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets.
Football match outcome probabilities recorded before kick-off, and an open record of results.
Connect your AI Endurance training platform to ChatGPT, Claude, and other AI assistants for conversational access to your training data, workouts, and performance analytics and to manage your…