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Animate · Back Out Up — measured AI agent skill | DecimalAI

nexu-io/anim-backoutup

NewSkillScoreMaintained

Back Out Up — a drop-in CSS keyframe animation from Animate.css (Hippocratic-2.1, © Daniel Eden). No JS required. Honors prefers-reduced-motion. Use restrained; attribute Animate.css.

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-anim-backoutup/SKILL.md

decimalai skills pull nexu-io-anim-backoutup --out .claude/skills/

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

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

Raw file: /s/nexu-io-anim-backoutup/SKILL.md ↗ · machine-readable summary at /s/nexu-io-anim-backoutup.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

25 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 — +32% lift-34% tokens0% turns84% of whole cases pass with skill (21/25)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-02	✗→✓	▲ Improved	-23%	0%
case-12	✗→✓	▲ Improved	-42%	0%
case-07	✗→✓	▲ Improved	-19%	0%
case-09	✗→✓	▲ Improved	-19%	0%
case-10	✗→✓	▲ Improved	-45%	0%

Showing 5 of 25 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/css/anim-backoutup/SKILL.md

View on GitHub ↗

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

Skill contents

SKILL.md

Animate · Back Out Up

When to use it

A quick, drop-in CSS exit animation (no JS).

When NOT to use it (restraint)

Many at once / must-read content. Keep it restrained.

How to apply

Copy backOutUp.css. 2. Add class backOutUp to the element + set animation-duration.

Accessibility & license

prefers-reduced-motion: disabled. Attribute Animate.css (Hippocratic-2.1).

Want to see if nexu-io/anim-backoutup 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.