MCP Server Collection

A collection of Model Context Protocol (MCP) servers built with the official MCP SDK. This project includes two production-ready MCP servers that can be integrated with AI assistants like Cursor IDE.

🚀 What I've Built

This repository contains two MCP servers that extend AI capabilities:

1. Currency Converter Server (currencyConverted.js)

• Provides real-time currency conversion functionality
• Uses the open Exchange Rates API for accurate conversion rates
• Supports all major global currencies
• Tool: convertCurrency - converts amounts between different currencies

2. Weather Server (weatherServer.js)

• Fetches current weather information for any location
• Uses wttr.in API for quick weather data
• Returns concise weather summaries including temperature and conditions
• Tool: getWeather - retrieves weather information for a specified city

📋 Prerequisites

• Node.js (v18 or higher recommended)
• npm (comes with Node.js)
• Cursor IDE (or any MCP-compatible client)

🔧 Installation

1. Clone the repository:

   git clone <your-repo-url>
   cd mcp-server
   

2. Install dependencies:

   npm install
   

⚙️ Configuration for Cursor IDE

To use these MCP servers with Cursor, you need to configure them in your Cursor settings.

1. Open Cursor IDE
2. Go to Settings → MCP Settings (or press Cmd/Ctrl + Shift + P and search for "MCP")
3. Add the following configuration to your MCP settings file:

{
  "mcpServers": {
    "currency-converter": {
      "command": "node",
      "args": ["/absolute/path/to/mcp-server/currencyConverted.js"]
    },
    "weather": {
      "command": "node",
      "args": ["/absolute/path/to/mcp-server/weatherServer.js"]
    }
  }
}

Important: Replace /absolute/path/to/mcp-server/ with the actual absolute path to this project folder on your system.

Finding Your Absolute Path

• Linux/Mac:

  pwd
  

  Run this command in the project directory.

• Windows:

  cd
  

  Run this command in the project directory.

🎯 Usage

Once configured in Cursor, the MCP servers will automatically start when needed. You can interact with them through Cursor's AI assistant.

Example Prompts for Cursor:

Currency Conversion:

• "Convert 100 USD to EUR"
• "How much is 50 GBP in INR?"
• "Convert 1000 JPY to USD"

Weather Information:

• "What's the weather in London?"
• "Get weather for New York"
• "Show me the weather in Tokyo"

🛠️ Manual Testing

You can also run the servers manually for testing:

# Start Currency Converter Server
npm run start:currency

# Start Weather Server (in a new terminal)
npm run start:weather

Note: MCP servers use stdio transport, so they expect input from an MCP client. Running them manually will keep them waiting for input.

📦 Project Structure

mcp-server/
├── currencyConverted.js    # Currency converter MCP server
├── weatherServer.js         # Weather information MCP server
├── package.json            # Project dependencies and scripts
├── README.md              # This file
└── .gitignore            # Git ignore rules

🔑 Key Features

• Type-safe: Uses Zod for runtime type validation
• Error handling: Comprehensive error handling for API failures
• Production-ready: Follows MCP SDK best practices
• Modular: Each server is independent and can be used separately
• Easy integration: Simple stdio-based communication protocol

🌐 APIs Used

• Currency Conversion: Open Exchange Rates API - Free tier, no API key required
• Weather: wttr.in - Free weather service, no API key required

📖 Learn More

• Model Context Protocol Documentation
• MCP SDK GitHub Repository
• Cursor IDE Documentation

🤝 Contributing

Feel free to fork this repository and submit pull requests for:

• New MCP server implementations
• Bug fixes
• Documentation improvements
• Additional features

📝 License

MIT

👤 Author

Utsav Goel

Happy Coding! 🎉