Travel Planner MCP Server

Instructions

Implementation Reference

• index.ts:124-136 (handler)

  Handler for the search_attractions tool. Validates input using SearchAttractionsSchema and returns a formatted text response with mock attraction search results.

  case "search_attractions": {
    const validatedArgs = SearchAttractionsSchema.parse(args);
    return {
      content: [
        {
          type: "text",
          text: `Found attractions near ${validatedArgs.location}\n` +
                `Radius: ${validatedArgs.radius || "5000"} meters\n` +
                `Categories: ${validatedArgs.categories?.join(", ") || "All"}`,
        },
      ],
    };
  }

• index.ts:29-33 (schema)

  Zod schema defining the input parameters for the search_attractions tool: location (required), radius and categories (optional).

  const SearchAttractionsSchema = z.object({
    location: z.string().describe("Location to search attractions"),
    radius: z.number().optional().describe("Search radius in meters"),
    categories: z.array(z.string()).optional().describe("Categories of attractions"),
  });

• index.ts:74-78 (registration)

  Registration of the search_attractions tool in the list returned by ListToolsRequestHandler, including name, description, and input schema.

  {
    name: "search_attractions",
    description: "Searches for attractions and points of interest in a specified location",
    inputSchema: zodToJsonSchema(SearchAttractionsSchema),
  },