🌤️ Weather MCP

Weather MCP is a modular, MCP-compatible service that delivers real-time weather and geolocation data using the OpenWeather API. Built with the Model Context Protocol (MCP) SDK, it’s designed for seamless integration with AI-native environments like Claude Desktop and Ollama (with Qwen 2.5), enabling context-aware applications to access live weather insights effortlessly.

🚀 Prerequisites

Before getting started, make sure the following tools are installed on your system:

• 📦 Node.js
• 🔁 pnpm
• 🛠️ Go (required for mcphost with Ollama + Qwen 2.5)

⚙️ Setup Instructions

1. Clone the Repository

git clone https://github.com/aldotestino/weather-mcp.git
cd weather-mcp

2. Install Dependencies

Install all necessary packages using pnpm:

pnpm install

3. 🔐 Add Your OpenWeather API Key

Weather MCP requires a valid OpenWeather API key. The API key should be set in the env object of your MCP configuration JSON file:

{
  "env": {
    "OPENWEATHER_API_KEY": "your_api_key_here"
  }
}

💡 Tip: Use the provided mcp.config.example.json file as a template.

4. Build the Project

Compile the TypeScript source code:

pnpm run build

🧠 Integration with Claude Desktop

1. Locate Your Configuration File

• macOS

code ~/Library/Application\\ Support/Claude/claude_desktop_config.json

• Windows

code $env:AppData\\Claude\\claude_desktop_config.json

2. Register the Weather MCP Server

Add or modify the "mcpServers" section like so:

{
  "mcpServers": {
    "weather": {
      "command": "node",
      "args": [
        "/absolute/path/to/weather-mcp/build/index.js"
      ],
      "env": {
        "OPENWEATHER_API_KEY": "your_api_key_here"
      }
    }
  }
}

📁 Replace /absolute/path/to/... with the actual path to your local project directory.

3. Restart Claude Desktop

Save the file and restart Claude Desktop for changes to take effect.

🤖 Integration with Ollama + Qwen 2.5

1. Install MCP Host

go install github.com/mark3labs/mcphost@latest

2. Start the MCP Host

Run the server with your local config:

mcphost -m ollama:qwen2.5 --config "./mcp.config.json"

💡 Tip: Add the MCP Server configuration to ~/.mcp.json to omit the --config parameter.