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cmc-x402

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By jiayaoqijia/cryptoskill (GitHub) · coding · 81 stars · scanned at commit 0dc9f60

Access CoinMarketCap data via x402 pay-per-request protocol with USDC payments on Base. Use when users mention x402, want CMC data without API keys, ask about pay-per-request APIs, or need to integrate CMC with on-chain payments. Also use for any Coinbase x402 protocol questions. Trigger: "x402", "pay per request", "no API key", "USDC payment", "CMC without subscription", "/cmc-x402"

Works with any agent that supports SKILL.md skills.

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What this skill can do

Safer alternatives

Low-risk skills in the same category (coding) that look related. Check that one does what you need.

• 100 Low riskx402internet-court/internet-court-skill · 7,121 stars
• 82 Low riskx402-agent-payments-guidenirholas/three.ws · 278 stars
• 100 Low riskhexanon-x402-apisdavepoon/buildwithclaude · 3,743 stars

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'cmc-x402' ] || [ -L ~/.agents/skills/'cmc-x402' ]; then echo 'A skill folder named cmc-x402 already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/jiayaoqijia/cryptoskill' "$d" && git -C "$d" checkout --quiet '0dc9f60ab1f3fcae24da49c4cef09c46c589f903' -- 'skills/payments/cmc-x402' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/payments/cmc-x402' ~/.agents/skills/'cmc-x402' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'cmc-x402' ~/.claude/skills/'cmc-x402' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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