Weather MCP

An MCP server that provides current weather, 7-day forecasts, and US weather alerts — no API keys required.

APIs Used

Tools

get_current_weather

Get current weather conditions for any city in the world.

Example: "What's the weather in Tokyo?"

get_forecast

Get a 7-day weather forecast for any city in the world.

Example: "What's the forecast for London this week?"

get_alerts

Get active weather alerts for a US state. US only.

Example: "Any weather alerts in California?"

Setup

1. Install dependencies

npm install

2. Build

npm run build

3. Add to Claude Desktop

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "weather": {
      "command": "node",
      "args": ["/path/to/MCP/weather/build/index.js"]
    }
  }
}

Then restart Claude Desktop.

Project Structure

├── src/
│   ├── index.ts        # MCP server and tool definitions
│   └── constants.ts    # API endpoint constants
├── build/              # Compiled output (generated)
├── package.json
└── tsconfig.json