Install
$ agentstack add skill-liamrjohnston30-remotion-motion-graphics-skill-article-highlights ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Article Highlights
Example output
The approved reference render for this skill — an editorial card that blurs in, slowly zooms with a subtle 3D tilt, then draws hand-drawn highlighter strokes behind the key phrases (click for full MP4):
Use this with the Remotion skill and the motion-graphics skill when a carousel slide should feel like an editorial/news/article screenshot rather than a terminal demo.
Use this pattern for:
- Informative/news/release/trend slides.
- "Something just changed/launched" topics.
- Explaining a key claim by highlighting keywords in an article-like layout.
- Non-terminal visual proof where terminal UI would feel forced.
Prefer the terminal-inserts skill instead for Claude Code/Codex/skills/CLI/setup/agent-run visuals.
Core architecture
Do not use a flattened article screenshot when the highlight must appear behind text.
Build layered Remotion DOM/SVG:
- White full-HD background.
- White editorial article/card/paper layer with generous padding.
- Rough.js highlighter SVG layer above the paper.
- DOM/SVG text layer above the highlighter.
This is required so the marker appears behind the words but visibly on the paper.
Default specs
- Composition: 1920x1080, 30fps, 5s / 150 frames.
- Background: white or very light editorial canvas.
- Card: centered, generous margins, subtle shadow optional, no clipping.
- Typography: editorial/news-like hierarchy.
- Small uppercase section label.
- Large bold serif or editorial headline.
- Muted byline/date.
- 2-3 short body lines max.
- Optional muted pill/button/source row.
- Highlights: semi-transparent yellow, rough.js/hand-drawn marker style, behind text.
Animation standard
- Frames 0-30: whole composition starts blurred and unblurs over 1 second.
- No highlight visible at frame 0 or early blur frames.
- Full duration: slow subtle zoom into the article.
- Add slight 3D left-to-right rotation with perspective. Target around 15deg total per axis, but reduce if needed to prevent clipping/readability issues.
- Start highlighter only after blur finishes, around frame 38-45.
- Draw each highlight left-to-right like dragging a marker over paper.
- Sequence highlights, do not reveal all at once.
- Final state holds with highlights visible.
Highlighter rules
- Use rough.js or irregular SVG marker shapes.
- Animate reveal with a clipping mask/wipe from left to right.
- Highlighter must be behind text and above paper.
- Yellow should be visible but not obscure text.
- Make the stroke slightly imperfect, not a clean rectangle.
- Target only meaningful keywords/phrases, not whole paragraphs.
Layout rules
- Hard-wrap headline/body lines intentionally.
- Keep all text inside safe margins.
- Check transformed/rotated card does not clip in the viewport.
- Do not let body copy run off the right edge.
- Do not center it like a title slide; it should feel like an article/webpage excerpt.
When briefing Remotion
Include:
- Composition size/FPS/duration/output path.
- The article copy and exact phrases to highlight.
- Exact timing: blur, first highlight, second highlight, final hold.
- Requirement that highlights start invisible and draw on after blur.
- Requirement to build layered DOM/SVG, not flattened image text.
- QA stills: early no-highlight frame, mid-highlight frame, final-highlight frame.
Quality gate
Before delivery:
npx tsc --noEmit.- Render MP4.
- Render stills around frame 20, frame 60, frame 120.
- Confirm frame 20 has no highlight.
- Confirm target phrases are highlighted by final frame.
- Confirm no text clipping, no off-center/cut-off card, and marker sits behind text.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: liamrjohnston30
- Source: liamrjohnston30/remotion-motion-graphics-skill
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.