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What you can do with Cozy Clay

CozyClay is an open source browser-based previs tool for blocking 3D scenes, posing characters, and planning camera moves before sending the shots to an AI video model.

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NomaDamas/CozyClay on GitHub

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What do you want to do?

4 use cases

  • Block a scene in 3D before paying for AI video

    Lay out the set, cast, and camera in a browser tab, then export a keyframe pack for an AI video model.

    View prompt
    Using the NomaDamas/CozyClay repo, run `npx cozyclay`, open the studio, and block a scene of <scene description> with the cast and camera shots. Export the keyframe pack for <video model>. Verify that the export includes the first and last frame, the greybox clip, the camera, and the prompt before handing it off.

  • Direct the studio from Claude Code or Cursor

    Connect an MCP client to Cozy Clay so an AI agent can edit the scene while you watch the viewport.

    View prompt
    Using the NomaDamas/CozyClay repo, connect the MCP server with `npx -y cozyclay mcp` and ask the agent to block <scene description> in the open studio. Expected output is a scene with the requested characters and camera shots visible in the viewport. Verify that the scene matches the description and that the QA results show no collisions.

  • Let a coding agent drive a running studio from the terminal

    Use cclay live commands so a coding agent can read and change a studio session with JSON in and out.

    View prompt
    Using the NomaDamas/CozyClay repo, run `cclay live status --wait` against the open studio and then apply <scene change> through the live terminal interface. Expected output is JSON that shows the updated scene state. Verify that the status reports a ready studio before any edit is sent.

  • Run and test Cozy Clay from source for contributions

    Clone the repo, install dependencies, start the dev server, and run the test suite.

    View prompt
    Using the NomaDamas/CozyClay repo, clone it, run `npm install`, `npm run dev`, and `npm test`, then report the test result. Expected output is a passing test run and the studio running at http://127.0.0.1:5180/app/. Verify that AGENTS.md has been read before any code change is proposed.

How to use Cozy Clay

  1. Check you have what it needs: Node.js 22.19 or newer; A Chromium browser; An AI video model of your choice for the final render.
  2. Open NomaDamas/CozyClay on GitHub and read the README and license.
  3. Run npx cozyclay (needs Node.js 22.19 or newer and a Chromium browser).
  4. Open http://127.0.0.1:5180/app/ and build the set from primitives, then add rigged characters or capsule stand-ins.
  5. Describe the action so the agent writes a motion spec, and check the QA results for collisions, foot slide, reach, and hand contact before you accept it.
  6. Put shots on the timeline, draw dolly rails, and look through the lens to set framing.

These steps come from our top use case, Block a scene in 3D before paying for AI video, which also has a copy-paste agent prompt.

Cozy Clay alternatives · Best AI repos for Content

About this repo

Requirements

  • Node.js 22.19 or newer
  • A Chromium browser
  • An AI video model of your choice for the final render
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Questions about Cozy Clay

What is Cozy Clay?

CozyClay is an open source browser-based previs tool for blocking 3D scenes, posing characters, and planning camera moves before sending the shots to an AI video model. It is an open-source project on GitHub: https://github.com/NomaDamas/CozyClay.

Who is Cozy Clay for?

Filmmakers, animators, and content creators who want to plan a scene in 3D before paying for AI video takes.

What can I do with Cozy Clay?

4 use cases so far, for example: Block a scene in 3D before paying for AI video; Direct the studio from Claude Code or Cursor; Let a coding agent drive a running studio from the terminal. Each has steps and a copy-paste agent prompt.

What do I need to run Cozy Clay?

Node.js 22.19 or newer; A Chromium browser; An AI video model of your choice for the final render.

What are alternatives to Cozy Clay?

Other hot AI repos in Content: Voice Studio, Anatomy, Comfy UI, Hyperframes, Earshot.

Is Cozy Clay safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.