Fetch crypto prices, market data, and token info from the CoinGecko free API. Use when the user asks about crypto prices, market caps, 24h changes, trending coins, or token lookups. Covers BTC, ETH, SOL, and thousands of altcoins. Also supports Solana token lookups by contract address.

从 CoinGecko 免费 API 获取加密货币价格、市场数据和代币信息。当用户询问加密货币价格、市值、24 小时涨跌幅、热门币种或代币查询时使用。涵盖 BTC、ETH、SOL 及数千种山寨币，并支持通过合约地址查询 Solana 代币。