SynthCut

relo.video

What it is

SynthCut is an open-source desktop video editor operated by AI through MCP.

From relo.video's own pages, read 11 Oct 2026.

As relo.video lists them, read 11 Oct 2026.

Data plate

Price: Free to use
Free plan: Yes
Free trial: Not stated
Runs on: Linux, macOS, Windows
Open source: No
Website: relo.video
Automatic captions: Yes
Editing workflow: It lets an AI client import clips, edit timelines, generate captions, reframe footage, render previews, and export videos.
Human review: The AI edits the same project shown in the desktop app, where users can inspect the timeline, preview results, and course-correct in plain language.
Integrations: The site lists Claude Desktop, Claude Code, Cursor, Codex, Gemini CLI, and Windsurf as compatible clients.
License: SynthCut is free and open source under GPL-3.0-or-later.
Local processing: The maker says importing, editing, previews, captions, reframing, and exporting run on the user's machine; the Windows build includes FFmpeg and local models.
MCP tools: SynthCut exposes 94 editing tools across 13 categories to MCP-compatible AI clients.
Platform availability: Windows has an installer and portable zip; macOS and Linux can run from source with Node.js and FFmpeg, with packaged builds described as forthcoming.
Checked: 11 Oct 2026

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