MCP Weather Server for Claude

@shiragannavar

Basic information

About MCP Weather Server for Claude

An MCP server for Claude that provides real-time weather alerts and forecasts using the U.S. National Weather Service API. Built with fastmcp and httpx, it exposes two tools: get_alerts (by state) and get_forecast (by lat/lon). Uses stdio transport for Claude integration.

#weather #mcp#real-time-alerts

MCP Weather Server for Claude config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Weather Server for Claude tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Weather Server for Claude?

An MCP server built with fastmcp that connects to the U.S. National Weather Service (NWS) API to provide real-time weather alerts and forecasts as tools for Claude.

How to use MCP Weather Server for Claude?

The server uses stdio transport and exposes two tools: get_alerts(state) to retrieve active weather alerts for a U.S. state, and get_forecast(latitude, longitude) to fetch a detailed forecast for any latitude/longitude pair.

Key features of MCP Weather Server for Claude

Get active weather alerts by U.S. state.
Fetch detailed forecasts by latitude and longitude.
Asynchronous and fast using httpx and fastmcp.
Built to serve as a Claude-compatible external tool.
Uses the public National Weather Service API.

Use cases of MCP Weather Server for Claude

Ask Claude for current weather alerts in a specific U.S. state.
Get a detailed weather forecast for any location using coordinates.
Integrate live weather data into Claude‑powered applications.

Frequently asked questions

What data does this server access?

It accesses the U.S. National Weather Service API (weather.gov) for alerts and forecasts. Data is limited to the United States.

What are the dependencies?

The server requires `fastmcp` and `httpx` for async HTTP requests and MCP protocol handling.

What transport does it use?

It uses `stdio` transport, making it suitable for local or embedded MCP clients like Claude Desktop.

Is authentication required?

No. The NWS API is public and the server does not implement any authentication.

Are there any known limits?

Only U.S. weather data is available. The server relies on the NWS API, which may have rate limits not documented here.

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