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Query CoinGecko market data from an agent-friendly CLI: prices, markets, trending coins, historical OHLC, and top gainers/losers.
This skill provides structured access to cryptocurrency market data via the CoinGecko CLI (cg). It enables agents to fetch current prices, market listings, fuzzy coin search, trending lists, historical price series and OHLC data, and paid top-gainers/losers reports. Outputs are machine-readable JSON and the skill advises on authentication, rate limits, and tier-gated features so agents can operate safely without accidental interactive auth flows.
Use this skill whenever an agent needs reliable on-chain-independent market data for analysis, reporting, or alerts: price checks, building price charts, finding coin IDs from ambiguous symbols, fetching historical time series for backtests, or producing CSV exports of market snapshots. It is appropriate for agents automating market monitoring, portfolio summaries, and data-driven crypto content generation.
-o json output, --dry-run usage, ID resolution, number formatting conventions, and guidance on paid vs demo tiers. It lists common coin IDs and example commands for price, markets, search, trending, history, and top-gainers/losers.Best for agents that can run local CLI commands or wrap shell tools (Copilot/Codex-like runtimes, agents with CLI access). The guidance is tool-agnostic and suitable for any agent that can execute cg or WebFetch fallbacks.
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