Pump Fun Data MCP Server

Instructions

Implementation Reference

• index.ts:93-101 (handler)

  The switch case within handleToolCall that executes the logic for the 'get_coins' tool by setting the API URL to '/coins' and calling fetchPumpFunData with arguments.

  case "get_coins":
      url = PUMP_FUN_API_URL+'/coins';
      return {
        content: [{
          type: "text",
          text: JSON.stringify((await fetchPumpFunData(url, args)))
        }],
        isError: false,
      };

• index.ts:27-42 (schema)

  The tool definition in the TOOLS array, including name, description, and inputSchema for 'get_coins'.

  {
      name: "get_coins",
      description: "Get a list of coins",
      inputSchema: {
          type: "object",
          properties: {
              offset: { type: "number", description: "The offset to start from (default: 0)", default: 0 },
              limit: { type: "number", description: "The number of coins to return (default: 24)", default: 24 },
              sort: { type: "string", description: "The field to sort by (market_cap, last_trade_timestamp, created_timestamp, last_reply)", default: "market_cap" },
              includeNsfw: { type: "boolean", description: "Include NSFW coins (default: true)", default: true },
              order: { type: "string", description: "The order to sort by (ASC, DESC)", default: "DESC"},
  
          },
          required: [],
      },
  },

• index.ts:148-150 (registration)

  Registers the ListToolsRequestHandler which exposes the 'get_coins' tool via the TOOLS array.

  server.setRequestHandler(ListToolsRequestSchema, async () => ({
      tools: TOOLS,
    }));

• index.ts:152-154 (registration)

  Registers the CallToolRequestHandler which dispatches tool calls to handleToolCall based on the tool name.

  server.setRequestHandler(CallToolRequestSchema, async (request) =>
    handleToolCall(request.params.name, request.params.arguments ?? {})
  );

• index.ts:56-74 (helper)

  Helper function used by the tool handlers to make authenticated HTTP requests to the pump.fun API.

  async function fetchPumpFunData(url: string, params: any) {
      const headers = {
          'accept': '*/*',
          'accept-language': 'en-US,en;q=0.9',
          'content-type': 'application/json',
          'origin': 'https://pump.fun',
          'priority': 'u=1, i',
          'referer': 'https://pump.fun/',
          'sec-ch-ua': '"Chromium";v="134", "Not:A-Brand";v="24", "Google Chrome";v="134"',
          'sec-ch-ua-mobile': '?0',
          'sec-ch-ua-platform': '"macOS"',
          'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36'
      };
      const response = await axios.get(url, { params, headers });
      if (response.status !== 200 || !response.data) {
          throw new Error(`Failed to fetch data: ${response.status}`);
      }
      return response.data;
  }