coingecko-cli
Use for CoinGecko/cg CLI crypto market data: prices, market cap, trending coins, top gainers/losers, coin search, or historical/OHLC data.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/paulrberg/agent-skills --skill coingecko-cli- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads coingecko-cli automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
CoinGecko CLI
Use the installed CLI's machine-readable command catalog as the source of truth for supported market-data operations.
Workflow
-
Verify
cgexists and inspect non-interactive auth/tier state:command -v cg cg status -o json cg commands -o jsonDo not run interactive
cg author write config without the user's approval. -
Select the command, flags, enum values, output formats, endpoint, auth requirement, and
paid_onlystatus fromcg commands -o json. Usecg <command> --helponly when the catalog lacks a needed detail. -
Resolve CoinGecko IDs with
cg search <term> -o jsonwhen the user supplied a name or ambiguous symbol. Do not silently treat symbols as unique. -
Preview unfamiliar or quota-sensitive requests with
--dry-run. Execute parseable queries with-o json; use--exportonly when the user requested a CSV artifact. -
Present the requested result in the user's format. For ordinary human-readable output, use a compact table and preserve enough precision for the asset's magnitude.
Boundaries and Defaults
- Batch IDs in one request when the command supports it. On 429, respect the reported reset/backoff rather than retrying aggressively.
- Detect paid-only commands before execution. If the current tier cannot serve the request, say so and offer a supported route.
cgdoes not cover every CoinGecko endpoint. For unsupported contract-address prices, global stats, NFT detail, GeckoTerminal, or logo metadata, fetch the relevant current API documentation from https://docs.coingecko.com/llms.txt and state that the CLI route is unavailable.- Never expose API keys or send private wallet/account data to market-data endpoints.
Completion requires the resolved coin/command, successful JSON or requested export evidence, and explicit handling of tier, ambiguity, or rate-limit constraints.
User-Facing Output
For ordinary human output, lead with ### 🪙 <coin> (<id>), show only the requested metrics in a compact table, and add
one source line with the endpoint plus timestamp, tier, or window when material. For exports, use
### ✅ Exported <row count> rows, link the artifact, and state the query/window without reproducing the CSV. Use
### ⚠️ Rate limited — retry after <time> when returning control, ### ⏳ Rate limited — retrying after <time> only
while actively waiting, or ### ⚠️ Paid endpoint — current tier: <tier> with one supported route. Return requested
JSON/CSV, exact IDs, URLs, values, commands, and diagnostics undecorated.
FAQ
What does the coingecko-cli skill do?
Use for CoinGecko/cg CLI crypto market data: prices, market cap, trending coins, top gainers/losers, coin search, or historical/OHLC data.
How do I install coingecko-cli?
Run npx skills add https://github.com/paulrberg/agent-skills --skill coingecko-cli in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/coingecko-cli/ (personal) or .claude/skills/coingecko-cli/ (project).
Which AI agents can use coingecko-cli?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is coingecko-cli safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains coingecko-cli?
It is published by paulrberg in paulrberg/agent-skills. It has 114 recorded installs.
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