Google Maps MCP Server

Instructions

Implementation Reference

• src/index.ts:121-131 (handler)

  The main handler function that executes the get_posts tool logic. Logs the number of posts and returns a JSON string of all posts.

  async function handleGetPosts() {
    console.error(`Handling get_posts request, found ${posts.length} posts`);
    
    return {
      content: [{ 
        type: "text", 
        text: JSON.stringify(posts, null, 2)
      }],
      isError: false,
    };
  }

• src/index.ts:52-60 (schema)

  Tool schema definition with name, description, and empty input schema (no parameters required).

  const GET_POSTS_TOOL: Tool = {
    name: "get_posts",
    description: "Retrieves all posts.",
    inputSchema: {
      type: "object",
      properties: {},
      required: [],
    },
  };

• src/index.ts:77-82 (registration)

  Registration of the get_posts tool (as GET_POSTS_TOOL) in the array of tools returned by the ListTools handler.

  const SIMPLE_TOOLS = [
    GET_WEATHER_TOOL,
    ADD_POST_TOOL,
    GET_POSTS_TOOL,
    DELETE_POST_TOOL,
  ] as const;

• src/index.ts:191-193 (registration)

  Dispatch/registration of get_posts tool call to the handleGetPosts handler in the CallToolRequestSchema switch statement.

  case "get_posts": {
    return await handleGetPosts();
  }