Open source · Runs fully local

AI does the heavy lifting.
You make the final cut.

An open-source video editing harness driven by Claude Code. Automatic cuts, subtitles and sound effects — finished by hand in a non-destructive GUI.

Coming to GitHub on Aug 11Watch the demo

✓ MIT licensed✓ Footage never leaves your machine✓ macOS / Windows

Harness Editor timeline and preview
v-alpha · in development

Why Video Harness

⌘

Claude Code edits directly

One instruction is enough — cuts, subtitles and SFX are placed autonomously.

✎

Human finishing touch

Review and refine every AI decision in a non-destructive GUI. Intent stays yours.

↻

Learns from your fixes

Your corrections feed back into readable, rewritable editing rules.

How it works

01

Hand over the footage

Point it at your video and describe the editing style.

02

AI drafts the edit

Cuts, subtitles and sound effects, placed autonomously.

03

Finish and export

Polish in the GUI, then export for any platform.

30-second demo (coming soon)

Pro is on the way

Templates, workflows and priority support. Leave your email to hear first.

We'll only email you about the Pro launch. · Privacy Policy

Open source you can trust

✓ MIT licensed✓ Fully local processing✓ Developed in the open on GitHub

FAQ

Is the editor free?

Yes. Harness Editor is free, MIT-licensed open source. A paid Pro tier (templates, workflows, support) is planned — join the waitlist above.

Which platforms are supported?

macOS and Windows. Editing runs through Claude Code (Anthropic); the editor guides you through setup.

Is my footage uploaded anywhere?

No. All video processing happens locally on your machine.

What will Pro include?

Editing skill packs, templates and priority support. Details will go to the waitlist first.

From today, you only do the finishing.

Open source. Free to start.

Coming to GitHub on Aug 11