Polymarket MCP Server

Instructions

Implementation Reference

• src/tools/gamma/sports.ts:10-20 (handler)

  The handler function for 'get_sports' tool.

  async () => {
    try {
      const data = await gamma.getSports();
      return { content: [{ type: "text", text: JSON.stringify(data, null, 2) }] };
    } catch (error) {
      return {
        content: [{ type: "text", text: `Error: ${(error as Error).message}` }],
        isError: true,
      };
    }
  },

• src/tools/gamma/sports.ts:6-9 (registration)

  Tool registration for 'get_sports'.

  server.tool(
    "get_sports",
    "List available sports on Polymarket (e.g. NBA, NFL, EPL, MLB).",
    {},

• src/api/gamma.ts:142-144 (helper)

  The implementation of 'getSports' in the API client class.

  async getSports(): Promise<GammaSport[]> {
    return this.client.gamma<GammaSport[]>("/sports", undefined, CACHE_TTLS.sports);
  }