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A floating action button that morphs open — Lottie JSON. A Lottie (JSON) animation — portable motion that plays identically on web and app via lottie-web. Honors prefers-reduced-motion (don't autoplay). Reserve Lottie for motion that earns its ~160KB runtime.
Passed 25 of 25 test cases with the skill, and 19 of 25 without it.
and 5 more in the full report
6 fixed19 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
When contributing button motion presets to the motion-anything repository, which specification document governs implementation constraints?
| Checked | Without skill | With skill |
|---|---|---|
| The response references MOTION-SPEC.md. | Missed | Passed |
The instructions your model reads when the skill loads.
A floating action button that morphs open — Lottie JSON. Lottie JSON from spemer/lottie-animations-json
(MIT). Part of motion-anything; obeys MOTION-SPEC.md.
lottie.min.js (runtime) and animation.json.lottie.loadAnimation({ container, renderer:'svg', loop:true, autoplay:false, path:'animation.json' }); start on intent / guard reduced-motion.prefers-reduced-motion: don't autoplay. SVG renderer; motion-as-JSON (portable, AI-readable).test cases passed, vs 19 / 25 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.