mcp-swiss

Instructions

Implementation Reference

• src/modules/weather.ts:229-235 (handler)

  Handler logic for list_hydro_stations tool.

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

• src/modules/weather.ts:99-106 (schema)

  Tool registration and schema definition for list_hydro_stations.

  {
    name: "list_hydro_stations",
    description: "List all available BAFU hydrological monitoring stations (rivers and lakes) in Switzerland",
    inputSchema: {
      type: "object",
      properties: {},
    },
  },

• src/modules/weather.ts:147-158 (helper)

  Helper function to format hydro station data.

  function compactHydroStations(payload: Record<string, StationEntry>): Record<string, string> {
    const result: Record<string, string> = {};
    for (const s of Object.values(payload)) {
      const id = s.details?.id ?? s.name;
      const name = s.details?.name ?? id;
      const water = s.details?.["water-body-name"];
      const type = s.details?.["water-body-type"];
      const suffix = [water, type].filter(Boolean).join(", ");
      result[id] = suffix ? `${name} (${suffix})` : name;
    }
    return result;
  }