AI Video Editor
FableCut
FableCut is an open-source browser video editor with a JSON timeline that AI agents can drive via MCP and REST APIs.
FableCut
What is FableCut?
FableCut is a non-linear video editor that runs entirely in the browser, exposing its timeline as a single JSON document. It allows AI agents (via MCP or REST) and humans to edit videos collaboratively, with the UI hot-reloading changes in real time.
FableCut vs Similar AI Tools
| Pricing Model | Free | Free, Free Trial | Free, Free Trial, Custom Pricing | Free, Freemium |
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How to use FableCut?
- 1Clone the repository and run `node server.js`.
- 2Open http://localhost:7777 in a Chromium browser.
- 3Drop media into the window or `./media/` folder.
- 4Drag clips onto the timeline and edit using the UI or let an AI agent drive it.
- 5Export video via the Export button (requires ffmpeg for best quality).
FableCut Key Features
- 4 video + 3 audio tracks with drag/trim/split/snap
- Keyframe animation on ~25 properties with easing
- Chroma key (green screen) with spill suppression
- AI background removal (MediaPipe in-browser)
- Kinetic captions with multiple animations
- 17 transitions including glitch, whip-pan, pop
- Animated SVG overlays with CSS keyframes
- Reference video analysis for shot/beat extraction
- MCP and REST APIs for AI agent control
- Conflict-safe concurrent editing with revision counter
FableCut Use Cases
- AI-powered automated video editing workflows
- Editing social media reels with AI assistance
- Collaborative editing between human and AI agents
- Programmatic video creation for developer tools
- Remaking reference videos with custom footage
FableCut Pricing & Free Credits
FableCut currently operates on a Free model.
This tool is completely free to use
FableCut Pros & Cons
Pros
- Open source with MIT license
- Zero npm dependencies – runs with a single server
- AI agent friendly with MCP and REST APIs
- Live hot-reload of timeline changes in ~150ms
- Conflict-safe concurrent editing (UI + agent)
Cons
- Requires Chromium-based browser (no Firefox/Safari)
- Export requires ffmpeg on PATH for best quality
- AI background removal fetches model from CDN on first use
- No built-in media library – users must provide own clips
What is FableCut best for?
- Developers building AI-driven video editing pipelines
- Content creators seeking programmable video editing
- Teams wanting collaborative editing with AI assistants