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shine-border — measured AI agent skill | DecimalAI

nexu-io/shine-border

NewSkillScoreMaintained

Give one hero card or CTA quiet premium life: a soft band of light travels around its border. One shining element per view; keep it slow and low-contrast. Pure CSS. Fully static under prefers-reduced-motion. Do not put several on screen at once.

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-shine-border/SKILL.md

decimalai skills pull nexu-io-shine-border --out .claude/skills/

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

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

Raw file: /s/nexu-io-shine-border/SKILL.md ↗ · machine-readable summary at /s/nexu-io-shine-border.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 — +45% lift-33% tokens0% turns95% of whole cases pass with skill (21/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-03	✗→✓	▲ Improved	-31%	0%
case-08	✗→✓	▲ Improved	-48%	0%
case-04	✗→✓	▲ Improved	-41%	0%
case-06	✗→✓	▲ Improved	-46%	0%
case-07	✗→✓	▲ Improved	-58%	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/shine-border/SKILL.md

View on GitHub ↗

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

Skill contents

SKILL.md

shine-border

A light that travels around an element's border. Part of motion-anything; obeys MOTION-SPEC.md. Technique popularized by Magic UI, reimplemented dependency-free (pure CSS).

When to use it

A single hero card / CTA / "recommended" tier you want to feel alive as it sits on screen.

When NOT to use it (restraint)

Multiple elements at once — competing lights become noise. One per view.
Calm / serious content, or anything already animating strongly nearby.

How to apply

Copy shine-border.css into the project and link it.
Mark the element:

html <div class="shine"> … </div>

Tune with CSS vars: --shine-color, --shine-width, and the animation duration (default 4s).

Accessibility & performance

Under prefers-reduced-motion the light stops and a plain static border remains.
Animates a masked conic-gradient (via @property --shine-angle) — compositor-friendly.

Framework notes

Works as-is in any framework; it is pure CSS. Scope --shine-* per component as needed.

Want to see if nexu-io/shine-border 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.