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animation-performance

100 / 100 · Low risk

Fine to try.

By emilkowalski/skills (GitHub) · media · 56,776 stars · scanned at commit 0f2e23b

Keep web animations inside the frame budget — animate composite-only properties, keep motion off the main thread when the page is busy, and find the cause when an animation drops frames. Use when an animation is janky, choppy, stutters, or drops frames; when choosing which property to animate; when deciding between CSS and JS animation on performance grounds; or when reaching for `will-change` or GPU layers. For choosing easing, duration, or whether to animate at all use animate; for reviewing …

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'animation-performance' ] || [ -L ~/.agents/skills/'animation-performance' ]; then echo 'A skill folder named animation-performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/emilkowalski/skills' "$d" && git -C "$d" checkout --quiet '0f2e23b32bb1265e84cff8d3e75785fec953fb1b' -- 'skills/animation-performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/animation-performance' ~/.agents/skills/'animation-performance' && 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/'animation-performance' ~/.claude/skills/'animation-performance' (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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