StealIt

Edit videos locally using ffmpeg. Trim, concat, resize, speed, overlay, extract audio, compress, and convert. Use when: (1) Trimming or cutting video segments, (2) Concatenating multiple clips, (3) Resizing video for social platforms, (4) Extracting or replacing audio, (5) Compressing video, (6) Converting video formats, (7) Getting video info.

Install

These skills drive OpenMontage's own video pipeline, so clone the repository and run Claude Code inside it rather than installing a single skill. Open the repository

Run this in your project folder. It works with Claude Code, Cursor, Codex and dozens of other agents.

$ npx skills add calesthio/OpenMontage --skill video-edit

Needs Node.js. Add -g to install for every project, or -a claude-code to skip the agent picker.

How to use Video Edit

Once it's installed, Claude reads this skill on its own whenever a request matches what it's for, so you don't have to mention it by name. In Claude Code you can also run it directly by typing /video-edit.

It contains no scripts, only instructions and reference files, so it can't run code on its own.

What the instructions cover

  1. 1Prerequisites
  2. 2Quick Reference
  3. 3Platform Presets
  4. 4Tips

Section headings from the skill's SKILL.md file.

What's inside · 2 files

  • SKILL.md
  • references/operations.md

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