Weather MCP Server
An MCP (Model Context Protocol) server that provides weather information tools using the National Weather Service (NWS) API.
Features
This MCP server exposes two tools for accessing weather data:
get_alerts: Get active weather alerts for any US stateget_forecast: Get detailed weather forecast for a specific location (latitude/longitude)
Requirements
- Python >= 3.14
- uv (recommended for dependency management)
Setup
-
Clone this repository or download the source code
-
Install dependencies using uv:
uv sync
Running the Server
The server runs using stdio transport for MCP communication:
uv run weather.py
Using with MCP Clients
To use this server with an MCP client (like Claude Desktop), add it to your MCP client configuration:
{
"mcpServers": {
"weather": {
"command": "uv",
"args": [
"--directory",
"c:\\Users\\Zachary\\Dev\\weather",
"run",
"weather.py"
]
}
}
}
Available Tools
get_alerts
Get active weather alerts for a US state.
Parameters:
state(string): Two-letter US state code (e.g., "CA", "NY", "TX")
Example:
get_alerts(state="CA")
get_forecast
Get weather forecast for a specific location.
Parameters:
latitude(float): Latitude of the locationlongitude(float): Longitude of the location
Example:
get_forecast(latitude=37.7749, longitude=-122.4194)
Data Source
This server uses the National Weather Service API, which provides free weather data for US locations.
License
Add your license information here.
