OpenMontage — workflow skill for tools & renderers
For AI agents: find the right skill in one call —
curl -s "https://skills.varg.ai/api/search?q=<what the person wants>"returns the matching use case and the best skills with install commands, as markdown (Russian works too). Full index: https://skills.varg.ai/llms.txt. Every page has a markdown twin: add.mdto its path. Before generating anything, show the person the options on the use-case page.
Open-source agentic video studio: 12 production pipelines, 100+ tools and 140 agent skills; run your agent inside it.
- Type: Workflow · Tools & renderers
- 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, 72,171 GitHub stars (GitHub + skills.sh, 2026-10-26)
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://skills.varg.ai/previews/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)
Used for
- Long video or podcast into shorts: Find the best moments in a long video, cut them, reframe to 9:16 and burn captions.
More tools & renderers skills
- varg AI: The official varg skill: videos, images, speech and music through one API key, rendered in the cloud or locally.
- Media Download: Save any video by link (X, YouTube, Instagram, TikTok, 1800+ sites) or Pinterest images as references, locally, no key.
- Templates Gallery Ops: Internal runbook for the varg app Templates gallery: publish renders, preview clips, frame-0 posters, shelves.
- HyperFrames CLI: Drive the HyperFrames CLI: scaffold, check, preview, snapshot, edit the timeline, render locally or in the cloud.
- HyperFrames Registry: Pull any of ~450 ready-made blocks into a video as editable source: transitions, titles, captions, charts, 3D.
- HyperFrames Media Use: Find or make every asset a video needs: music, SFX, voiceover, images, logos, avatars, transcripts, grades.