CartCut — workflow skill for AI editing agents
For AI agents: find the right skill in one call —
curl -s "https://varg.ai/how-to/api/search?q=<what the person wants>"returns the matching how-to page and the best skills with install commands, as markdown (Russian works too). Full index: https://varg.ai/how-to/llms.txt. Every page has a markdown twin: add.mdto its path. Before generating anything, show the person the options on the how-to page.
Layer-based video editor built for AI agents, with a Claude Code plugin, skill and MCP server.
- Type: Workflow · AI editing agents
- Slug:
cartcut - Status: live
- Publisher: Cartesian (community)
- License: MIT
- Source: https://github.com/cartesiancs/cartcut
- Works in: Claude Code, Any MCP client
- Cost: Free/open source
- Adoption: 818 GitHub stars (GitHub, 2026-10-27)
What it does
An open-source editor with cut editing, animation, sound mixing and layer-based (not track-based) effects, designed so agents can drive it. It ships a Claude Code plugin with a cartcut-editing skill and an MCP server package, plus a web demo.
Use when
- give your agent a real editor with layers and keyframes
- apply many effects per asset
- edit motion-heavy social videos
Install
- Claude Code:
/plugin marketplace add cartesiancs/cartcut then /plugin install cartcut-editing@cartcut - Any MCP client:
npx -y @cartesiancs/cartcut-mcp
Example output
https://s3.varg.ai/how-to/previews/773a8450ea91/cartcut.webp — Image from the project README (credit: Cartesian (README), https://raw.githubusercontent.com/cartesiancs/cartcut/main/.github/screenshotv6.webp)
More AI editing agents skills
- OpenMontage: Open-source agentic video studio: 12 pipelines (8 edit your footage), 100+ tools, ~140 skills. Run your agent in it.
- video-use: Drop raw takes in a folder, chat with your agent, get final.mp4: transcript-first cuts, grade, subtitles, overlays.
- FireRed-OpenStoryline: Conversational editing agent: finds media, writes the storyline, beat-syncs music and refines the cut by chat.
- ButterCut: Claude Code builds selects, scenes and rough cuts from your footage library and exports XML for FCP, Premiere, Resolve.
- Agentic Video Editor (ave): CLI where Gemini agents pick shots, trim, render with FFmpeg and score the result until a brief is met.
- OpenChatCut: Local-first chat video editor with a multi-track timeline that Codex and Claude Code can edit over MCP.
Run the generation on varg
varg is one API key for the models these skills drive — Seedance 2.5, Kling 4, Veo 3.1, Wan 3, Nano Banana 2.1, GPT Image 2.5, ElevenLabs v4 and 200+ more — billed in credits, with a cost estimate before anything runs.
- Claude Code:
claude plugin marketplace add vargHQ/skills && claude plugin install varg@varg(skill + hosted MCP) - Codex, Cursor, Gemini CLI, OpenClaw:
npx skills add vargHQ/skills --skill varg-ai -a <agent> -y - Grok and any agent that reads SKILL.md:
npx skills add vargHQ/skills --skill varg-ai, or point it at the skill's SKILL.md - Claude.ai, ChatGPT, any MCP client: connect
https://mcp.varg.ai/mcp - API key: https://varg.ai/dashboard/api · Model specs: https://varg.ai/models/llms.txt