mcp-swiss

Instructions

Implementation Reference

• src/modules/weather.ts:189-195 (handler)

  The handler logic for the 'list_weather_stations' tool. It fetches station data from the API and formats it using 'compactWeatherStations'.

  case "list_weather_stations": {
    const url = buildUrl(`${BASE}/smn/locations`, { app: "mcp-swiss" });
    const data = await fetchJSON<ApiResponse>(url);
    const payload = (data?.payload ?? {}) as Record<string, StationEntry>;
    const stations = compactWeatherStations(payload);
    return JSON.stringify({ count: Object.keys(stations).length, stations });
  }

• src/modules/weather.ts:67-74 (schema)

  The tool definition for 'list_weather_stations', including its description and empty input schema.

  {
    name: "list_weather_stations",
    description: "List all available MeteoSwiss weather stations in Switzerland",
    inputSchema: {
      type: "object",
      properties: {},
    },
  },

• src/modules/weather.ts:136-145 (helper)

  Helper function that parses and formats raw weather station data for the 'list_weather_stations' tool.

  function compactWeatherStations(payload: Record<string, StationEntry>): Record<string, string> {
    const result: Record<string, string> = {};
    for (const s of Object.values(payload)) {
      const code = s.details?.id ?? s.name;
      const name = s.details?.name ?? s.name;
      const canton = s.details?.canton;
      result[code] = canton ? `${name} (${canton})` : name;
    }
    return result;
  }