Name: motion-frames
Author: YYC-Cube

Imported from YYC-Cube/YYC3-Knowledge-Base (YYC3-E/open-design/plugins/_official/examples/motion-frames/SKILL.md). Install upstream with npx skills add YYC-Cube/YYC3-Knowledge-Base --skill motion-frames. Copyright stays with the author.

Motion Frames Skill

Produce a single full-bleed motion composition. Inline CSS animations only — the page is the loop. Treat it as a poster frame that an exporter (HyperFrames, Lottie, etc.) can capture into a video.

Workflow

Read the active DESIGN.md (injected above). Motion lives or dies on typography contrast — pick the most expressive serif / display token in the DS for the headline; the body / mono token labels everything else.
Compose the canvas as a 16:9 hero with these layers, back to front:
- Stage — full-bleed <main>. Off-white or DS-canvas background, very subtle dotted grid texture (CSS background, radial-gradient dots at 22–32px intervals).
- Concentric rings — 2–3 SVG circles radiating from a focal point. Ultra-thin strokes (0.5–1px) in DS-foreground at low opacity. These rotate at different speeds (60s, 90s, 180s).
- Focal mark — a wireframe globe, a stylized object, or a typographic monogram drawn as inline SVG. ~28% of the canvas wide.
- Ring labels — short words / phonetic tokens placed around one of the rings (e.g. "Hola · Bonjour · 你好 · नमस्ते"). They co-rotate with the ring, with <text> paths counter-rotated so the words stay upright.
- Headline — bottom-left or center-bottom. Display serif, italic accent on one word. Add a subtle letterSpacing + opacity reveal animation (@keyframes type-in).
- Frame chrome — corner stamps (top-left lab tag, top-right brand or issue number) and a thin baseline rule. Static.
Animate with @keyframes only — no JS:
- rotate-slow, rotate-med, rotate-fast for rings.
- globe-spin for the focal mark.
- pulse for the focal dot, ~2s, easing.
- marquee-fade to reveal headline once on load.
Write a single HTML document:
- <!doctype html> through </html>, CSS inline.
- All motion uses CSS — no scripts, so HyperFrames or any frame-grabber can capture it deterministically.
- data-od-id on stage, focal, ring, headline, chrome.
Self-check:
- The composition still reads as a poster with motion paused at frame 0.
- At least 3 layers move at different speeds (depth comes from delta velocity, not parallax tricks).
- Accent appears once — usually the italic word in the headline.

Output contract

Emit between <artifact> tags:

<artifact identifier="motion-slug" type="text/html" title="Motion — Title">
<!doctype html>
<html>...</html>
</artifact>

One sentence before the artifact, nothing after.

Install motion-frames and it becomes one more candidate the router can pick - when it fits.

A listing is a routing target with a manifest: what it does, which domains it covers, what it costs and who publishes it. Once installed it sits beside your own models and tools, is scored like any other candidate for each request, and shows up in the trace when it wins. Ratings come from workspaces that installed it, one per account.

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motion-frames

About

Motion Frames Skill

Workflow

Output contract

Install motion-frames and it becomes one more candidate the router can pick - when it fits.

Use it

Manifest

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