Create opaque full-frame video sections from JSX overlay files.
npx skills add https://github.com/theSamPadilla/montaj --skill animation-sections
Please help me install this Agent Skill. Skill: animation-sections Source: https://github.com/theSamPadilla/montaj/tree/main/skills/animation-sections Command: npx skills add https://github.com/theSamPadilla/montaj --skill animation-sections
Provides a clear, agent-friendly workflow for building animation-only or full-frame opaque overlay sections when a project has no source footage or when you need to fully replace video frames with designed slides, ensuring the render engine can infer duration and produce a consistent output.
Write an opaque JSX overlay, save it to overlays/title-card.jsx, set an opaque overlay item in tracks[1] with absolute src and correct start/end times, and persist tracks to project.json.
High-intent search queries and answers about installing and using this skill.
Create full-frame opaque video overlays by writing individual JSX files per section in the overlays/ directory, then defining opaque overlay items with absolute src paths and start/end times in tracks[1]. This fully replaces video frames while preserving source audio.
Structure tracks for animation-only sections by leaving tracks[0] empty, placing primary visual elements in tracks[1], and using higher tracks for layered elements. Items within the same track must not overlap to ensure predictable renders.
The render engine infers duration for opaque overlay sections by identifying the highest end timestamp among all overlay items. You must persist these tracks to project.json to ensure a consistent output.
Yes, you can fully replace existing video footage by marking overlays as opaque:true. This covers the video frame entirely with designed slides for title cards, stat cards, pull quotes, transitions, and outros while preserving source audio.
Limitations of opaque JSX overlays include requiring absolute src paths for predictable renders, mandating non-overlapping items per track, and needing manual duration inference validation from the highest end timestamp to ensure correct output.
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