io.github.demwick/polymarket-agent-mcp

io.github.demwick/polymarket-agent-mcp

Polymarket trading, market discovery, copy trading and backtesting — 48 MCP tools.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "polymarket-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "polymarket-agent-mcp@1.7.0"
      ],
      "env": {
        "COPY_MODE": "preview",
        "POLY_PRIVATE_KEY": "<your POLY_PRIVATE_KEY>",
        "POLY_API_KEY": "<your POLY_API_KEY>",
        "POLY_API_SECRET": "<your POLY_API_SECRET>",
        "POLY_API_PASSPHRASE": "<your POLY_API_PASSPHRASE>",
        "DAILY_BUDGET": "20",
        "MIN_CONVICTION": "3",
        "CHAIN_ID": "137"
      }
    }
  }
}
Environment variables
  • COPY_MODEExecution mode: 'preview' simulates trades in a local SQLite DB (default, safe for inspection); 'live' places real orders on Polymarket and requires all POLY_* credentials.
  • POLY_PRIVATE_KEYsecretPolygon wallet private key used to sign CLOB orders. Required only when COPY_MODE=live. Never logged, persisted, or transmitted outside signed order bodies.
  • POLY_API_KEYsecretPolymarket CLOB API key. Required only when COPY_MODE=live.
  • POLY_API_SECRETsecretPolymarket CLOB API secret. Required only when COPY_MODE=live.
  • POLY_API_PASSPHRASEsecretPolymarket CLOB API passphrase. Required only when COPY_MODE=live.
  • DAILY_BUDGETMaximum USDC the agent may spend per day. Used by BudgetManager to cap copy-trading exposure.
  • MIN_CONVICTIONMinimum conviction score (0–100) required before a copy trade is executed.
  • CHAIN_IDEVM chain ID for Polymarket (137 = Polygon mainnet).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.7.0
Registry
active
Published
8/7/2026

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