CoinGecko MCP Server

npm install coingecko-server

COINGECKO_API_KEY=your_api_key_here

{ "mcpServers": { "coingecko": { "command": "node", "args": ["/path/to/coingecko-server/build/index.js"], "env": { "COINGECKO_API_KEY": "your-api-key-here" } } } }

import { CoinGeckoService } from 'coingecko-server'; import OpenAI from 'openai'; const openai = new OpenAI(); const coinGeckoService = new CoinGeckoService(process.env.COINGECKO_API_KEY); // Get function definitions const functions = CoinGeckoService.getOpenAIFunctionDefinitions(); // Example: Get historical data const response = await openai.chat.completions.create({ model: "gpt-4-turbo-preview", messages: [{ role: "user", content: "Get Bitcoin's price history for the last week" }], functions: [functions[2]], // get_historical_data function function_call: "auto", }); if (response.choices[0].message.function_call) { const args = JSON.parse(response.choices[0].message.function_call.arguments); const history = await coinGeckoService.getHistoricalData( args.id, args.vs_currency, args.from, args.to, args.interval ); }

interface OHLCData { timestamp: number; open: number; high: number; low: number; close: number; }

interface HistoricalData { prices: [number, number][]; market_caps: [number, number][]; total_volumes: [number, number][]; }

interface CoinInfo { id: string; symbol: string; name: string; platforms?: Record<string, string>; }