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jest

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 stanfish06/skillquarium (GitHub) · coding · 12 stars · scanned at commit f748ea9

JavaScript testing with Jest — unit tests, mocks, spies, snapshot testing, code coverage, and configuration. Use when writing or running JavaScript/TypeScript tests, setting up a test suite with Jest, debugging failing tests, mocking modules or functions, measuring coverage, or configuring Jest in jest.config.*. Pairs with test-driven-development for the workflow/methodology. Works with React (Testing Library), Node.js, and any JS/TS project.

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/'jest' ] || [ -L ~/.agents/skills/'jest' ]; then echo 'A skill folder named jest already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/stanfish06/skillquarium' "$d" && git -C "$d" checkout --quiet 'f748ea91aa51ce8fc42c27c809dba73a8377b1d5' -- 'skills/jest' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/jest' ~/.agents/skills/'jest' && 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/'jest' ~/.claude/skills/'jest' (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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