get-weather
Fetch current weather data for any city using the Open-Meteo API. Provide the city name as input to retrieve accurate weather information.
Instructions
Tool to fetch the weather for a given city
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| city | Yes | City name |
Implementation Reference
- main.ts:12-47 (registration)Registers the 'get-weather' MCP tool with description, input schema, and handler function.server.tool( "get-weather", "Tool to fetch the weather for a given city", { city: z.string().describe("City name"), }, async ({ city }) => { const response = await fetch(`https://geocoding-api.open-meteo.com/v1/search?name=${city}&count=10&language=en&format=json`); const data = await response.json(); if (data.results.length === 0) { return { content: [ { type: "text", text: `No weather data found for ${city}`, } ] }; } const {latitude, longitude} = data.results[0]; const weatherResponse = await fetch(`https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}¤t_weather=true&precipitation=true&hourly=temperature_2m¤t=precipitation,temperature_2m,rain,is_day`); const weatherData = await weatherResponse.json(); return { content: [ { type: "text", text: JSON.stringify(weatherData, null, 2) } ] }; } );
- main.ts:18-46 (handler)Handler function for 'get-weather' tool: fetches geocoding for city, then weather data from Open-Meteo API, returns JSON stringified weather info.async ({ city }) => { const response = await fetch(`https://geocoding-api.open-meteo.com/v1/search?name=${city}&count=10&language=en&format=json`); const data = await response.json(); if (data.results.length === 0) { return { content: [ { type: "text", text: `No weather data found for ${city}`, } ] }; } const {latitude, longitude} = data.results[0]; const weatherResponse = await fetch(`https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}¤t_weather=true&precipitation=true&hourly=temperature_2m¤t=precipitation,temperature_2m,rain,is_day`); const weatherData = await weatherResponse.json(); return { content: [ { type: "text", text: JSON.stringify(weatherData, null, 2) } ] }; }
- main.ts:15-17 (schema)Input schema for 'get-weather' tool using Zod: requires 'city' as string.{ city: z.string().describe("City name"), },