Polymarket MCP Server

Instructions

Implementation Reference

• src/tools/gamma/events.ts:35-59 (handler)

  The MCP tool definition and handler for "get_event".

  server.tool(
    "get_event",
    "Get a single Polymarket event by ID or slug. Returns full event details including nested markets.",
    {
      id: z.string().optional().describe("Event ID"),
      slug: z.string().optional().describe("Event slug"),
    },
    async (args) => {
      if (!args.id && !args.slug) {
        return {
          content: [{ type: "text", text: "Error: Either id or slug is required" }],
          isError: true,
        };
      }
      try {
        const data = await gamma.getEvent(args);
        return { content: [{ type: "text", text: JSON.stringify(data, null, 2) }] };
      } catch (error) {
        return {
          content: [{ type: "text", text: `Error: ${(error as Error).message}` }],
          isError: true,
        };
      }
    },
  );