Gauntlithanimation-performance
Unclaimed, from emilkowalski
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. Covers the layout/paint/composite pipeline, cheaper property swaps, CSS vs WAAPI vs requestAnimationFrame, Motio…
Without the launcher
git clone https://github.com/emilkowalski/skills.git cd skills git checkout 4061b67b8d976a186aca118594f54b638c5f718a
Then copy skills/skills/animation-performance into your app's skills folder, for example .claude/skills/animation-performance.
| Version | Commit | Pinned | Works with | Checks | Status | Install |
|---|---|---|---|---|---|---|
| 4061b67b8d97 | 4061b67 | 12 Nov 2026 | Claude Code, SKILL.md | Instructions read in full · Static code checks · Copy check · Sandbox run: nothing to run | No known issues found |
No known issues found: Every check finished and our reviewer read this version in full. That isn't a guarantee.
Issues found: At least one check flagged something. Not confirmed harmful. Installing asks you to confirm.
Not fully checked: We couldn't check all of it, for example a file too big to read. No install button.
Hidden, under review: The install link is down while a reviewer looks again.
Removed, malicious: Confirmed harmful. If you installed it, its page shows how to remove it.