coingecko-cli
CoinGecko CLI
Overview
Query cryptocurrency market data using the official CoinGecko CLI (cg). The CLI wraps the CoinGecko V3 API with structured JSON output, a dry-run mode, and a self-describing command catalog — designed to be driven by agents.
Key capabilities:
- Current prices by coin ID or symbol (
cg price) - Top coins by market cap with filters and CSV export (
cg markets) - Coin search with fuzzy matching (
cg search) - Trending coins, NFTs, and categories (
cg trending) - Historical price snapshots, time series, and OHLC (
cg history) - Top gainers/losers over configurable durations (
cg top-gainers-losers, paid)
Out of scope — cg does not support contract-address price lookups, global market stats (total market cap, BTC/ETH dominance), NFT detail endpoints, GeckoTerminal on-chain DEX queries, or token logo metadata. Fall back to WebFetch against docs.coingecko.com/llms.txt for those.
Prerequisites
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