A lightweight Model Context Protocol (MCP) server that enables AI assistants like Claude to retrieve and interpret real-time weather data.

Installing on Claude Desktop

To use your MCP server with Claude Desktop, add it to your Claude configuration:

1. Local mode

{
  "mcpServers": {
    "weather-mcp-server": {
      "command": "/path/to/weather-mcp-server",
      "env": {
        "WEATHER_API_KEY": "your-api-key"
      }
    }
  }
}

You can get an API key from your personal account on WeatherAPI.

2. Remote mode

{
  "mcpServers": {
    "weather-mcp-server": {
      "url": "http://host:port/sse"
    }
  }
}

Build from source

You can use go to build the binary in the cmd/github-mcp-server directory.

go build -o weather-mcp-server ./cmd/weather-mcp-server

Using MCP with Docker Containers

1. Build the Docker Image:

docker build -t weather-mcp-server .

2. Run the Docker Container:

docker run -e WEATHER_API_KEY=your-api-key -d --name weather-mcp-server -p 8000:8000 weather-mcp-server

Replace your-api-key with your actual WeatherAPI API key.

Tools

• current_weather - Gets the current weather for a city

  • city: The name of the city (string, required)

Project Structure

The project is organized into several key directories:

├── cmd
│   └── weather-mcp-server
├── internal
│   └── server
│       ├── handlers # MCP handlers
│       ├── services # Business logic layer
│       │   ├── core # Core application logic
│       │   └── mock # Mock services for testing
│       ├── tools # MCP tools
│       └── view # Templates for displaying messages
└── pkg

Testing

If you're adding new features, please make sure to include tests for them.

1. Install the mockgen tool:

go install go.uber.org/mock/mockgen@latest

See the installation guide on go.uber.org/mock.

2. Use the following command to generate mock files:

make generate-mocks

3. To run unit tests:

make run-tests

Contributing

Feel free to open tickets or send pull requests with improvements. Thanks in advance for your help!

Please follow the contribution guidelines.

License

This MCP server is licensed under the MIT License.