StealIt

Agent 1 of the video editing pipeline. Removes silences and dead air from a talking-head recording. Use when asked to cut silences, trim pauses, remove dead air / gaps, or tighten the pacing of a raw video, given a word-level transcript. Produces an edit list (EDL), a re-timed transcript for downstream agents, and optionally the cut video via ffmpeg. Does NOT cut mistakes, repeats, or false starts — that is the cut-mistakes agent.

Install

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

$ npx skills add nateherkai/herk-edit-kit --skill cut-silences

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

How to use Cut Silences

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 /cut-silences.

It includes scripts that Claude may run on your computer, so skim them on GitHub before you install.

What the instructions cover

  1. 1When to use
  2. 2Prerequisites
  3. 3Usage
  4. 4How it decides (the silence rules)
  5. 5Outputs (written to --out-dir)
  6. 6Tuning notes
  7. 7Hand-off to the next agent

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

What's inside · 2 files

  • SKILL.md
  • scripts/cut-silences.mjs

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