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rerender

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 diegopacheco/ai-playground (GitHub) · coding · 21 stars · scanned at commit d9a66a7

Runs a real re-render benchmark on every React component in a project and renders a Lighthouse-style light-theme performance report. For each component it mounts the real code in jsdom inside a React Profiler, forces a fixed number of parent re-renders with stable props, and counts the renders React could have skipped (wasted renders) plus render durations, then scores each component 0-100. Use when the user runs /rerender or asks to measure, benchmark, or find React re-render / wasted-render /…

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/'rerender' ] || [ -L ~/.agents/skills/'rerender' ]; then echo 'A skill folder named rerender already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/diegopacheco/ai-playground' "$d" && git -C "$d" checkout --quiet 'd9a66a7614b743615074ea74689ae2039fadcb2d' -- 'pocs/agent-skill-react-rerender/skills/rerender' && mkdir -p ~/.agents/skills && cp -R "$d"/'pocs/agent-skill-react-rerender/skills/rerender' ~/.agents/skills/'rerender' && 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/'rerender' ~/.claude/skills/'rerender' (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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