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XYZ · Fade Up — measured AI agent skill | DecimalAI

nexu-io/xyz-fade-up

NewSkillScoreMaintained

Fade Up — a composable AnimXYZ entrance via the xyz="fade up-3" attribute. Declarative: mix fade + move + scale + rotate without writing keyframes. MIT. Honors prefers-reduced-motion.

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-xyz-fade-up/SKILL.md

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

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

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

Raw file: /s/nexu-io-xyz-fade-up/SKILL.md ↗ · machine-readable summary at /s/nexu-io-xyz-fade-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 3h ago

Yes — +23% lift-43% tokens0% turns91% of whole cases pass with skill (20/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-03	✗→✓	▲ Improved	-40%	0%
case-12	✗→✓	▲ Improved	-45%	0%
case-20	✗→✓	▲ Improved	-79%	0%
case-21	✗→✓	▲ Improved	-66%	0%
case-22	✗→✓	▲ Improved	-19%	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/animxyz/xyz-fade-up/SKILL.md

View on GitHub ↗

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

Skill contents

SKILL.md

XYZ · Fade Up

Fade Up — composable entrance from AnimXYZ (MIT). Part of motion-anything.

When to use it

Declarative entrance mixing fade/move/scale/rotate via xyz="..." — no keyframes to write.

When NOT to use it (restraint)

Shipping ~100KB core CSS for a single effect; overusing on many elements.

How to apply

Include @animxyz/core CSS. 2. Set xyz="fade up-3" on the element. 3. Toggle class xyz-in / xyz-out.

Accessibility & license

prefers-reduced-motion: no autoplay. MIT.

Want to see if nexu-io/xyz-fade-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.