MCP

Weather MCP Server

This MCP server fetches weather data from the National Weather Service API. It provides two tools:

• get_alerts(state: str)
  Returns active weather alerts for a given US state (using its two-letter code).

• get_forecast(latitude: float, longitude: float)
  Returns a short-term weather forecast for a specified location.

Requirements

• Python 3.7+
• httpx
• MCP Framework mcp[cli]

so install, run:

uv add mcp[cli] httpx requests

Usage

Run the server with:

uv run weather.py

The server uses standard I/O for communication.

MCP Client Configuration

configuration snippet for your MCP client (config.json):

{
  "mcpServers": {
    "weather": {
      "command": "C:/path/to/your/uv",
      "args": [
        "--directory",
        "C:/path/to/your/project",
        "run",
        "weather.py"
      ]
    }
  }
}