MCP

MCP JSON-RPC 2.0 endpoint

The PlayCaller MCP server implements Anthropic's Model Context Protocol over HTTP transport. Send JSON-RPC 2.0 messages to invoke sports intelligence tools from any AI application.

Available tools (10):

  • get_injury_signals — Active beat reporter signals filtered by sport/severity
  • get_player_identity — Resolve a player name or platform ID across ESPN, Sleeper, Yahoo, NFL.com
  • get_anomaly_scores — Players with usage patterns deviating from 3-season baseline (score 0–100)
  • get_prediction_markets — Active Kalshi prop markets with AI confidence scores
  • get_player_projections — AI fantasy point projections using recent game logs and injury signals
  • get_player_stats — Game log for any player by name across NFL/MLB/NBA historical_performance
  • get_team_roster — Active roster for any team by sport and abbreviation
  • get_games — Schedule and scores for all 9 sports (NFL, MLB, NBA, NHL, CFB, Soccer, Tennis, Golf, UFC)
  • get_standings — Division/conference standings for any sport and season
  • get_player_dossier — Consolidated single-call profile: identity + injury + anomaly score + recent stats

Config for Cursor (.cursor/mcp.json):

{
  "mcpServers": {
    "playcaller": {
      "url": "https://api.playcallerapp.com/mcp",
      "headers": { "X-PlayCaller-Key": "YOUR_API_KEY" }
    }
  }
}

Get a free trial key instantly — no card required:

curl -X POST https://api.playcallerapp.com/mcp/start-trial \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

Tier access: Developer Sandbox, Build, Growth, Pro Insights, Syndicate Alpha

post/mcp

Request

  • Base URL: https://api.playcallerapp.com
  • URL: https://api.playcallerapp.com/mcp
  • Auth: API key in header X-PlayCaller-Key

Request body

jsonrpc'2.0' required
idinteger
method'initialize' | 'tools/list' | 'tools/call' | 'ping' required

Example request

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_injury_signals",
    "arguments": {
      "sport": "nfl",
      "severity": "high",
      "limit": 5
    }
  }
}

Response

JSON-RPC 2.0 response (always 200 — errors returned in body per JSON-RPC spec)

jsonrpcstring
idinteger

Example response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "content": [
      {
        "type": "text"
      }
    ]
  },
  "error": {
    "code": -32601,
    "message": "Method not found: tools/unknown"
  }
}

Changes

No recorded changes to this operation across all 1 revision of this API.