Loading skill
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Skeleton placeholders with a soft sweeping shimmer while content loads. Use to fill space for cards/lists/profiles that are still loading and make the wait feel shorter. Honors prefers-reduced-motion (static skeleton). Only show while real content is loading — never as decoration.
Passed 21 of 22 test cases with the skill, and 15 of 22 without it.
and 7 more in the full report
6 fixed15 passed either way1 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.
We are integrating placeholder skeleton CSS styles into our web frontend. Which specific stylesheet file must be copied and linked into the HTML page?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies loading-shimmer.css as the required stylesheet file to link | Missed | Passed |
The instructions your model reads when the skill loads.
Skeleton placeholders with a soft sweeping highlight. Part of
motion-anything; obeys MOTION-SPEC.md.
loading-shimmer.css and link it.data-skeleton to placeholder blocks (give each a width/height).prefers-reduced-motion: static skeleton, no sweep. The sweep uses transform only (GPU-safe).test cases passed, vs 15 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.