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js-ts-expert

95 / 100 · Low risk

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

By jacazul-ai/launcher (GitHub) · coding · 13 stars · scanned at commit b4f5a3f

Expert system for JavaScript and TypeScript in legacy, greenfield and migration trees, browser and Node, framework-neutral. Detects the code's era with js-mode, keeps JavaScript thin at the edge of a Go/Rust/Zig backend, and reviews on the shared code-review scale.

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/'js-ts-expert' ] || [ -L ~/.agents/skills/'js-ts-expert' ]; then echo 'A skill folder named js-ts-expert already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/jacazul-ai/launcher' "$d" && git -C "$d" checkout --quiet 'b4f5a3f40fe54ea5ee255b906100daf027e33bb8' -- 'skills/js-ts-expert' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/js-ts-expert' ~/.agents/skills/'js-ts-expert' && 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/'js-ts-expert' ~/.claude/skills/'js-ts-expert' (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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