Weather MCP Server

This is an MCP Server that uses OpenWeatherMap's API to retrieve weather data. It can be hosted on MCP.so.

Features

Current weather data for any location
Weather forecast (up to 5 days)
Support for metric and imperial units
Compatible with both stdio and REST transport modes
Docker containerization for easy deployment
Compatible with MCP.so hosting requirements

Prerequisites

Node.js v18+
OpenWeatherMap API key (get one for free at OpenWeatherMap)

Getting Started

Local Development

Clone this repository
git clone https://github.com/yourusername/weather-mcp-server.git cd weather-mcp-server
Install dependencies
npm install
Build the TypeScript code
npm run build
Run the server in stdio mode (for local testing)
WEATHER_API_KEY=your_api_key_here npm start

Running in REST mode

WEATHER_API_KEY=your_api_key_here mode=rest port=9593 endpoint=/rest npm start

Docker

Build the Docker image
docker build -t mcp/weather-mcp-server .
Run the container
docker run -i --rm -e WEATHER_API_KEY=your_api_key_here mcp/weather-mcp-server

Usage

Available Tools

`current_weather`

Gets the current weather data for a specific location.

Parameters:

location (required): The city name or city name + country code (e.g., "London", "Paris,FR")
units (optional): Units of measurement. Options: "metric" (Celsius) or "imperial" (Fahrenheit). Default: "metric"

Example Request:

{
  "params": {
    "name": "current_weather",
    "arguments": {
      "location": "Tokyo,JP",
      "units": "metric"
    }
  }
}

`weather_forecast`

Gets a weather forecast for a specific location.

Parameters:

location (required): The city name or city name + country code (e.g., "London", "Paris,FR")
units (optional): Units of measurement. Options: "metric" (Celsius) or "imperial" (Fahrenheit). Default: "metric"
days (optional): Number of days for the forecast. Maximum is 5. Default: 5

Example Request:

{
  "params": {
    "name": "weather_forecast",
    "arguments": {
      "location": "New York,US",
      "units": "imperial",
      "days": 3
    }
  }
}

Hosting on MCP.so

To host this server on MCP.so:

Ensure your repository is public on GitHub with an MIT, Apache, or similar license
Submit your MCP Server to MCP.so for review
Once approved, your server will be available on the MCP Playground

License

MIT

Contact

For questions or support, please open an issue on GitHub.

This server cannot be installed

security - not tested

license - permissive license

quality - not tested

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

An MCP server that connects to OpenWeatherMap's API to provide current weather data and multi-day forecasts for locations worldwide in different measurement units.

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