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loading-shimmer — measured AI agent skill | DecimalAI

nexu-io/loading-shimmer

NewSkillScoreMaintained

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.

Frontendby nexu-io

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Frontend / UI pack

1 · One-time — install the CLI (docs ↗)

pip install decimalai

2 · Get the skill — writes .claude/skills/nexu-io-loading-shimmer/SKILL.md

decimalai skills pull nexu-io-loading-shimmer --out .claude/skills/

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/nexu-io-loading-shimmer/SKILL.md https://app.decimal.ai/s/nexu-io-loading-shimmer/SKILL.md

Raw file: /s/nexu-io-loading-shimmer/SKILL.md ↗ · machine-readable summary at /s/nexu-io-loading-shimmer.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 1h ago

Yes — +27% lift-41% tokens0% turns95% of whole cases pass with skill (21/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-01	✗→✓	▲ Improved	-7%	0%
case-03	✗→✓	▲ Improved	-41%	0%
case-07	✗→✓	▲ Improved	-48%	0%
case-10	✗→✓	▲ Improved	-70%	0%
case-18	✗→✓	▲ Improved	-69%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

nexu-io / motion-anything

recipes/web/loading-shimmer/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v1

Skill contents

SKILL.md

loading-shimmer

Skeleton placeholders with a soft sweeping highlight. Part of motion-anything; obeys MOTION-SPEC.md.

When to use it

Placeholders for content still loading (cards, lists, profiles, media). Improves perceived performance.

When NOT to use it (restraint)

Loads under ~300ms (a skeleton flash is worse than nothing). Never as pure decoration.

How to apply

Copy loading-shimmer.css and link it.
Add data-skeleton to placeholder blocks (give each a width/height).
Remove the placeholders (or the attribute) the moment real content arrives.

Accessibility & performance

prefers-reduced-motion: static skeleton, no sweep. The sweep uses transform only (GPU-safe).

Want to see if nexu-io/loading-shimmer would activate on your phrasing? Try it before you install — no LLM call, no signup.

Other measured skills in the registry, with their headline benchmark lift.