Weather MCP Server
Provides access to National Weather Service (NWS) data, enabling users to retrieve active weather alerts for US states and weather forecasts for specific geographic coordinates.
README
Weather MCP Server
This project is a Model Context Protocol (MCP) server that provides weather data and alerts using the National Weather Service (NWS) API. It exposes tools for retrieving active weather alerts for a US state and weather forecasts for a given latitude and longitude.
Features
- Get active weather alerts for any US state
- Get weather forecast for a specific location (latitude/longitude)
- MCP server implementation using
@modelcontextprotocol/sdk
Usage
Prerequisites
- Node.js (v18 or higher recommended)
- npm or yarn
Install dependencies
npm install
Run the server
npm start
API Tools
get_alerts
Get active weather alerts for a US state.
- Input:
state(string, two-letter code, e.g. "CA", "NY") - Output: List of active alerts or a message if none are active.
get_forecast
Get weather forecast for a location.
- Input:
latitude(number),longitude(number) - Output: Forecast periods for the location.
Project Structure
weather/
├── src/
│ ├── index.ts # MCP server implementation
│ └── helper.ts # Helper functions and types
├── build/ # Compiled JS output
├── package.json # Project metadata and dependencies
├── tsconfig.json # TypeScript configuration
License
MIT
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