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fade-in-up — measured AI agent skill | DecimalAI

nexu-io/fade-in-up

NewSkillScoreMaintained

Rise + fade key elements in as the page loads, optionally staggered. Use for hero content and a small group of important elements. Honors prefers-reduced-motion. For long lists or off-screen content use scroll-reveal instead; never delay must-read content by more than a moment.

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-fade-in-up/SKILL.md

decimalai skills pull nexu-io-fade-in-up --out .claude/skills/

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

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

Raw file: /s/nexu-io-fade-in-up/SKILL.md ↗ · machine-readable summary at /s/nexu-io-fade-in-up.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 2h ago

Yes — +45% lift-38% tokens0% turns91% of whole cases pass with skill (20/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-02	✗→✓	▲ Improved	-39%	0%
case-04	✗→✓	▲ Improved	-49%	0%
case-05	✗→✓	▲ Improved	-21%	0%
case-07	✗→✓	▲ Improved	-52%	0%
case-08	✗→✓	▲ Improved	-64%	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/fade-in-up/SKILL.md

View on GitHub ↗

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

Skill contents

SKILL.md

fade-in-up

A clean rise + fade entrance, on load. Part of motion-anything; obeys MOTION-SPEC.md.

When to use it

Hero content and a few key elements appearing on first paint.

When NOT to use it (restraint)

Long lists / off-screen content — use scroll-reveal.
Don't delay must-read content by more than ~300ms; keep to ≤3 staggered elements.

How to apply

Copy fade-in-up.css and fade-in-up.js and link them.
Mark elements: <h1 data-fade>…</h1> (optional data-fade-delay="80"; auto-staggers otherwise).

Accessibility & performance

prefers-reduced-motion: shown immediately. Transform/opacity only.

Want to see if nexu-io/fade-in-up 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.