🌤️ FastMCP Weather Server

What is 🌤️ FastMCP Weather Server?

A production-ready weather MCP server built with FastMCP and TypeScript. It provides real-time weather data for any city worldwide via the OpenWeatherMap API and integrates seamlessly with Claude Desktop, VS Code, and Cursor.

How to use 🌤️ FastMCP Weather Server?

Install with Node.js 20.18.1+, clone the repo, run npm install, create a .env file with your OpenWeatherMap API key, then use npm run dev for interactive CLI testing or configure the server in your MCP client (Claude Desktop, VS Code, or Cursor) using the provided JSON configuration.

Key features of 🌤️ FastMCP Weather Server

• Real-time weather data for any city worldwide
• Built with TypeScript and Zod validation
• Supports Claude Desktop, VS Code, and Cursor
• Progress reporting and structured logging
• Fast development: 5x faster than traditional MCP SDK
• Built-in CLI tools for testing and debugging

Use cases of 🌤️ FastMCP Weather Server

• Ask an AI assistant for current weather conditions in any city
• Integrate weather queries into development workflows in VS Code or Cursor
• Test and debug weather API calls with an interactive CLI or visual inspector
• Build custom MCP-based weather applications using FastMCP

FAQ from 🌤️ FastMCP Weather Server

What runtime is required?

Node.js 20.18.1 or higher is required.

What API key is needed and how many free requests are allowed?

An OpenWeatherMap API key is required; the free tier allows 1,000 calls per day.

Which MCP clients are supported?

Claude Desktop, VS Code (via MCP extension), and Cursor IDE.

How do I test the server locally?

Run npm run dev for interactive CLI, npm run inspect for a visual debugging interface, or npm run test-direct for direct testing without the CLI.

What does the get_weather tool return?

It returns formatted current weather data including temperature, conditions, humidity, and wind speed for the requested city.