Velorn MCP
A video editor with a local MCP server: an agent reviews the cut, edits the timeline and starts exports, ComfyUI generates
- 530 ★ on the repository
- Last commit
- GPL-3.0
Extended access
Why this level
- The agent can import, export and create files that undo does not always roll back
- Missing ComfyUI nodes and models install on approval but bring in third-party code
Install
- Works in
Manual install
claude mcp add --transport http velorn http://127.0.0.1:19790/mcpThe app must be running with a project open and the server switched on in Settings > Agents (MCP).
Access and checks
How we reviewExtended accessThe tool runs code or makes network calls and only reads external data.
- The agent can import, export and create files that undo does not always roll back
- Missing ComfyUI nodes and models install on approval but bring in third-party code
This is third-party code. Review the repository files before installing.
What it does
Velorn is an open-source desktop video editor for Windows, macOS and Linux: planning, generation, asset management, timeline editing, captions, effects and export in one project. The app runs a local MCP server with over a hundred tools for Codex, Claude Code, Cursor-compatible clients and other MCP clients. The agent can review an edit: it reads timelines and clips, sees frames and contact sheets, and finds gaps, disabled clips and missing media. Edits come from tools that move, trim, split and retime clips; the agent adds text, shapes, GLSL effects and keyframes and starts H.264 export, social delivery batches and FCPXML. Most write tools show a preview of the plan first, and ordinary timeline edits take part in the app's undo. Generating images and video needs a separately installed ComfyUI on the same machine. Editing, captions, export and the editor's MCP tools work without it. The agent also reads third-party ComfyUI workflows, reports missing nodes and models and installs them after you approve.
Who it is for. Video editors and ad makers who want to hand an agent routine timeline work and assembling clips from generated frames.
Good fit when
- Before delivery the cut needs review: the agent looks for gaps, disabled clips, missing media and export readiness
- A clip is built from a song and lyric timing: keyframes, shots and a timeline
- A series of vertical videos has to go out as a social delivery batch
- A timeline frame should become video through image-to-video once the plan is approved
- A ComfyUI workflow from the internet needs a missing-node check and a run on the project's assets
Not a fit when
- Editing happens on a headless server: Velorn is a desktop app and the MCP server lives inside it
- You need generation without ComfyUI: all current generation features require a local ComfyUI
- You need a thin ffmpeg wrapper for scripts: Velorn manages a project in its own editor
- The GPL-3.0 license does not fit embedding into a closed product
Example request
Review the project timeline: find gaps and disabled clips, show a fix plan and wait for my approvalMCP
- Transport
- http
- Authentication
- not required
Limitations
The app is desktop: after installing, open a project, switch the server on in `Settings > Agents (MCP)` and point the client at `http://127.0.0.1:19790/mcp`. Any generation needs a running ComfyUI with its address in settings, and cloud routes such as Kling or Seedance need partner keys and payment. Imports, exports and created files are not all undoable, so they need explicit consent. The author calls the short film mode very beta.
How to disable. Switch the server off in `Settings > Agents (MCP)` and remove the connection with `claude mcp remove velorn` or the entry in the client's `.mcp.json`. The app uninstalls like any program, and projects stay in your folder.
FAQ
How do I connect Velorn to Claude Code?
Launch the app, open a project, switch the server on in `Settings > Agents (MCP)` and run `claude mcp add --transport http velorn http://127.0.0.1:19790/mcp`. For Codex use `codex mcp add velorn --url http://127.0.0.1:19790/mcp`.
Do I need ComfyUI?
Not for editing, captions, export and the editor's tools. All current generation features require a locally running ComfyUI.
What can the agent break?
Ordinary timeline edits take part in undo. Imports, exports and created files are not always undoable, so they need explicit consent, and most write tools show a preview first.
Which export formats are available?
H.264 delivery, social delivery batches and FCPXML for moving to other editors.
Can I run the server without the app?
No, the MCP server is built into the desktop app and runs while the app is open.
Discussion
No questions or reviews yet.
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Comparison with similar tools
Cards that share the main search query, and how they differ.
| Tool | Official | Authentication | Repository stars | Main difference |
|---|---|---|---|---|
| Velorn (this card) | yes | not required | 530 | |
| ComfyUI MCP Server | no | not required | 413 | only generates images, audio and video in ComfyUI, with no editing |
| Video Editor Skills | no | 443 | editing skills that remember the author's notes, without an editor of their own |
README in short
The description opens with installer links for Windows, macOS and Linux, then lists the editor's jobs: music videos, ads, running workflows and editing. Sections on Generate, Create and MCP explain the modes, and the end covers building from source.