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add-tool

92 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By tallclub/matimo (GitHub) · coding · 19 stars · scanned at commit fea5112

Add a new tool to an existing Matimo provider package. Covers the complete workflow: read official API docs → YAML definition → TypeScript + Python executors → validate → lint → unit tests (100% coverage) → TypeScript examples (factory, decorator, langchain, with-approval) → Python examples (native, langchain, crewai). Use when asked to implement any new tool for an existing package like Slack, GitHub, Gmail, HubSpot, etc.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'add-tool' ] || [ -L ~/.agents/skills/'add-tool' ]; then echo 'A skill folder named add-tool already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/tallclub/matimo' "$d" && git -C "$d" checkout --quiet 'fea511290c7967e460d6e5b256bf2604d2fb56a8' -- '.claude/skills/add-tool' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/add-tool' ~/.agents/skills/'add-tool' && 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/'add-tool' ~/.claude/skills/'add-tool' (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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