🚀 CoinGecko API Server MCP

Seamless cryptocurrency data access for AI systems and applications

Features • Quick Start • Installation • Configuration • API Reference • MCP Integration • Pro API • Troubleshooting • License

🌟 Overview

The CoinGecko API Server MCP is a powerful, production-ready Node.js solution that provides seamless access to cryptocurrency market data through an elegant RESTful API and MCP (Marketplace Component Program) interface. It bridges AI systems like Claude with real-time crypto data while handling all the complexities of API rate limits, fallbacks, and error handling.

✨ Key Features

• 🔄 Dual API Support: Seamlessly integrates with both CoinGecko Free and Pro APIs

• 🧠 AI Integration: Full implementation of the MCP protocol for AI assistants

• 🛡️ Intelligent Fallback: Automatically switches between APIs to prevent rate limiting

• ⚡ Optimized Performance: Efficient request handling and response caching

• 📊 Comprehensive Data: Access to all essential cryptocurrency metrics

• 🔌 Simple Interface: Intuitive RESTful endpoints and JSON-RPC methods

• 🚦 Robust Error Handling: Clear error messages with appropriate status codes

• 🧩 Easy Deployment: Minimal configuration with guided setup process

• 📘 Extensive Documentation: Clear usage instructions and examples

🚀 Quick Start

📦 Installation

Option 1: Using npx (Recommended)

The quickest way to get started:

This will:

1. 📥 Download and install the server

2. 🧰 Run an interactive setup wizard

3. 🔑 Ask for your CoinGecko API key (optional)

4. 🚀 Start the server automatically

Option 2: Manual Installation

For more control over the installation process:

⚙️ Configuration

The server is configured using environment variables in the .env file:

📚 API Reference

RESTful Endpoints

Basic Endpoints

• GET /api/ping - Check API server status

Price Data

• GET /api/simple/price - Get price data for specified coins

  • Query params: ids, vs_currencies, include_market_cap, include_24hr_vol, include_24hr_change, include_last_updated_at, precision

Coin Data

• GET /api/coins/markets - Get market data for coins

  • Query params: vs_currency, ids, category, order, per_page, page, sparkline, price_change_percentage

Market Data

• GET /api/global - Get global cryptocurrency data

• GET /api/search/trending - Get trending coins

Examples

Get Bitcoin Price in USD:

Response:

Get Top 5 Cryptocurrencies by Market Cap:

🤖 AI Integration (MCP)

This server implements the Marketplace Component Program (MCP) protocol, enabling AI systems like Claude to access cryptocurrency data.

MCP Integration Points

1. JSON-RPC Endpoint: /rpc - Handles method calls from AI clients

2. Schema Definition: /mcp/schema - Defines available tools and parameters

Available MCP Methods

• ping - Check API status

• getPrice - Get price data for specified cryptocurrencies

• getSupportedVsCurrencies - Get list of supported currencies

• getCoinMarkets - Get market data for coins

• getGlobal - Get global cryptocurrency data

• getTrending - Get trending coins

For detailed integration instructions, see MCP_INTEGRATION.md.

💎 Pro API Benefits

This server supports both the CoinGecko Pro API and the free API:

For more details about the Pro API setup, see USING_COINGECKO_PRO.md.

🔧 Troubleshooting

🧪 Development

🔄 How It Works

The server acts as a middleware between your applications and the CoinGecko API:

1. Request Routing: Handles incoming requests from RESTful and JSON-RPC clients

2. API Selection: Chooses between Free and Pro APIs based on configuration

3. Rate Limit Management: Implements intelligent request throttling

4. Response Processing: Formats and returns data in a consistent structure

5. Error Handling: Provides detailed error information for troubleshooting

📱 Use Cases

• AI-Powered Financial Advisors: Enable AI systems to access real-time crypto data

• Investment Dashboards: Build cryptocurrency dashboards with reliable data access

• Portfolio Trackers: Create applications to monitor crypto holdings

• Market Analysis Tools: Develop tools for technical and fundamental analysis

• Trading Bots: Power automated trading systems with market data

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• CoinGecko for the comprehensive cryptocurrency data API

• Anthropic for Claude AI and the MCP program

• The open-source community for their invaluable contributions

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