Multi-MCPs

Instructions

Implementation Reference

• src/apis/weather/openweather.ts:85-90 (handler)

  The handler function that implements the core logic for the 'get_current_weather' tool, handling input validation and API call delegation.

  async get_current_weather(args: Record<string, unknown>) {
    if (!cfg.openWeatherApiKey) throw new Error("OPENWEATHER_API_KEY is not configured");
    const location = String(args.location || "");
    if (!location) throw new Error("location is required");
    return client.currentWeatherByCity(location);
  },

• src/apis/weather/openweather.ts:52-58 (schema)

  Input schema defining the parameters for the 'get_current_weather' tool.

  inputSchema: {
    type: "object",
    properties: {
      location: { type: "string", description: "City name, e.g., London" },
    },
    required: ["location"],
  },

• src/apis/weather/openweather.ts:49-59 (registration)

  Tool registration entry in the OpenWeather registration function, including name, description, and schema.

  {
    name: "get_current_weather",
    description: "Get current weather by city name",
    inputSchema: {
      type: "object",
      properties: {
        location: { type: "string", description: "City name, e.g., London" },
      },
      required: ["location"],
    },
  },

• src/tools/register.ts:23-23 (registration)

  Invocation of the OpenWeather tool registration as part of central all-tools registration.

  registerOpenWeather(),

• src/apis/weather/openweather.ts:12-16 (helper)

  Helper method in OpenWeatherClient class that makes the actual API request for current weather.

  async currentWeatherByCity(location: string) {
    return this.request("/data/2.5/weather", {
      query: { q: location, appid: this.apiKey, units: "metric" },
    });
  }