OpenMontage — 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.
Open-source agentic video studio: 12 pipelines (8 edit your footage), 100+ tools, ~140 skills. Run your agent in it.
- Type: Workflow · AI editing agents
- Slug:
openmontage - Status: live
- Publisher: Calesthio (community)
- License: AGPL-3.0
- Source: https://github.com/calesthio/OpenMontage
- Works in: Claude Code, Codex, Cursor, OpenClaw
- Requires: Python 3.10+ and Node.js, ffmpeg, API keys for the providers you enable
- Cost: Free and open source; generation billed by the providers you connect
- Runtime: ~8.6 min for a 15 s promo (Agent Skills Hub test)
- Adoption: 23,270 installs, 72,488 GitHub stars (GitHub + skills.sh, 2026-10-27)
What it does
The most-starred community video project of 2026 (72K stars; once #1 repository of the day on GitHub Trending). You clone the repo and run Claude Code, Codex, Cursor, Copilot or Windsurf inside it; agent guides route a request, or a video you paste as a reference, into one of 12 production pipelines with 100+ tools and about 140 SKILL.md knowledge packs covering generation providers, Remotion and HyperFrames composition, three.js, TTS and speech-to-text, character animation QA and more. Provider adapters span fal.ai, Atlas Cloud, Kling, ElevenLabs, Fish Audio, BFL, xAI and others, each with your own keys. In the Agent Skills Hub end-to-end test it made a 15-second promo with a look of its own in 8.6 minutes.
Use when
- Run a full video production pipeline from an agent
- Remake a reference video's style for your own topic
- Mix several generation providers in one project
Not for
- A single lightweight skill to drop into ~/.claude/skills
- Closed-source or hosted use without AGPL compliance
Install
- Claude Code:
git clone https://github.com/calesthio/OpenMontage.git
Example output
https://s3.varg.ai/how-to/previews/d1a56fafe3a7/openmontage.mp4 — README showcase 'SIGNAL FROM TOMORROW', a sci-fi trailer produced end to end through OpenMontage (concept, script, scene plan, Veo motion clips, soundtrack, Remotion composition): the rocket-launch sequence. Cut 12.5-20.5 s of 30 s. (credit: Calesthio (OpenMontage), https://github.com/calesthio/OpenMontage#readme)
How-to tutorials that use it
- How to cut a podcast into short video clips with AI: Find the best moments in a long video, cut them, reframe to 9:16 and burn captions.
More AI editing agents skills
- 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.
- BaoCut: Desktop AI video agent that transcribes, subtitles, translates, dubs, cuts and animates into an editable timeline.