OpenWeather MCP Server

@Zippland

Basic information

About OpenWeather MCP Server

天气预报 MCP Server for weather forecast

OpenWeather MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "weather-mcp": {
      "command": "python",
      "args": [
        "weather_mcp_server.py"
      ]
    }
  }
}

OpenWeather MCP Server 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 OpenWeather MCP Server?

A simple weather forecast MCP (Model Control Protocol) server that provides global weather forecasts and current weather conditions by integrating with the OpenWeatherMap API.

How to use OpenWeather MCP Server?

Install dependencies with pip install mcp-server requests pydantic, obtain a free API key from OpenWeatherMap, then run the server (python weather_mcp_server.py) providing the API key either as an environment variable (OPENWEATHER_API_KEY) or as a parameter when calling the tools. Add the server configuration to your MCP-enabled client.

Key features of OpenWeather MCP Server

No separate configuration file required; API key via environment variable or parameter.
Query weather conditions anywhere in the world.
Provides both current weather and future forecast.
Detailed info: temperature, humidity, wind speed, etc.
Supports different time zones via an offset parameter.

Use cases of OpenWeather MCP Server

Ask an AI assistant “What’s the weather in New York right now?” and receive current conditions.
Get a multi‑day forecast for a travel destination.
Integrate real‑time weather data into any MCP‑compatible application.

Frequently asked questions

What should I do if I see “No API key provided”?

Set the `OPENWEATHER_API_KEY` environment variable before starting the server, or provide the `api_key` parameter when calling `get_weather` or `get_current_weather`.

What causes a “Location not found” error?

The location name is incorrect or ambiguous. Try a more precise city name or add a country code, e.g., “Beijing,CN” or “Paris,FR”.

What are the runtime requirements?

Python 3 and the packages `mcp-server`, `requests`, and `pydantic` must be installed via pip.

How is the API key secured?

The key can be stored as an environment variable or passed at runtime; it is never hard‑coded in a configuration file.

Does the server support multiple transport methods?

The README only describes STDIO transport (running as a command‑line process with environment variables). No other transport is mentioned.

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