CoinGecko API Server MCP

# Using CoinGecko Pro API To use the CoinGecko Pro API, you need to follow these steps: 1. **Sign up for a Pro Plan** - Visit [CoinGecko API Pricing](https://www.coingecko.com/en/api/pricing) - Choose a suitable plan (Analyst, Lite, Pro, or Enterprise) - Complete the signup process 2. **Get Your API Key** - After subscribing, go to your CoinGecko account dashboard - Locate the API key section - Copy your API key 3. **Set Up Your API Key in the Project** - Add your API key to the `.env` file in this format: ``` COINGECKO_API_KEY=your_actual_api_key_here ``` 4. **Pro API Limitations and Features** - Higher rate limits (depends on your plan) - Access to additional endpoints - Lower latency - Better support 5. **API Documentation** - Refer to [CoinGecko API Documentation](https://www.coingecko.com/api/documentation) for details on all available endpoints - Note that some endpoints are only available for Pro users 6. **Testing Your Setup** - Once you've added your API key, restart the server: ``` pkill -f "node server.js"; node server.js & ``` - Test basic endpoints like `/api/ping` - Then test Pro endpoints like `/api/coins/markets` 7. **Troubleshooting** - If you get 401 errors: Your API key may be invalid - If you get 403 errors: You're trying to access endpoints not included in your plan - If you get 429 errors: You've exceeded your rate limit ## Notes for Development For development purposes, you can use the free API with limitations: - Rate limits: 10-30 calls/minute - No API key required - Limited access to some endpoints - No commercial use allowed To switch between free and Pro versions, modify the URL in the fetch calls: - Pro: `https://pro-api.coingecko.com/api/v3/...` - Free: `https://api.coingecko.com/api/v3/...`