cubeWorldbuilding Planet

Model

BetaKit version 0.14.0.kcube

Open in KitionUse with your AI

Kition Spatial · Spatial Cluster

A 3D scene kit for mesh modeling, sculpting, materials, rigging, animation and rendering. People and agents edit the same scene, and exchange it through common 3D formats.

The city on Worldbuilding Planet

Each building is something this kit really does. Click a building to read about it.

  • Geometry Foundry

    Model and sculpt

    Build from primitives

  • Material Lab

    Materials and UVs

    Unwrap UVs

  • Motion Dock

    Rig and animate

    Add armatures

  • Render Observatory

    Light and render

    Frame cameras

  • Exchange Terminal

    Exchange 3D files

    Import and export glTF

What you can make with cube

The holograms over the city. Each one only uses what the kit can do today; the ones marked Template open a published Kition template.

Settlements on this planet

+ Add your settlement

Products built with this kit. Same size for every settlement, no paid spots.

  • Kition

    by Kition

    Desktop AI workspace for connected documents, structured tables, editable designs, whiteboards, visual workflows and reviewable AI agents.

What your AI can do here

These are real commands from this kit’s engine. An agent sends them over the Kit Harness Protocol and gets the edited file back.

  • add.cubeAdd a cube to the scene
  • add.uvSphereAdd a UV sphere
  • object.transformSet an object's transform

Use with your AI

Kition ships an MCP server for its kits. Run it over stdio against a folder, without the app open, and your agent gets tools like cube_inspect, cube_run and cube_check for every kit.

# Claude Code
claude mcp add kition -- kition-kits-mcp --workspace /path/to/your/folder

# Any MCP client (mcpServers config)
{
  "mcpServers": {
    "kition": {
      "command": "kition-kits-mcp",
      "args": ["--workspace", "/path/to/your/folder"]
    }
  }
}

The kition-kits-mcp binary comes with Kition. Without a licence key it runs in development and evaluation mode.

Files it works with

Native
.kcube
Opens and imports
.glb.gltf.fbx.usd.usda.usdc.usdz.obj.stl.blend

Skills

Kition launches with 1,300+ official Skills, at least 100 for every kit, each one run for real with a preview image. Browse them on kition.ai.

Browse Skills on kition.ai

Questions

Is Kition cube free?

Yes. Kition is open source under Apache-2.0 and the software is free. There are no personal subscriptions, memberships or ads; you only pay for AI compute if you choose hosted AI.

Can my AI agent use Kition cube?

Yes. Every Kition kit speaks the Kit Harness Protocol (KHP), so an agent can open a file, run commands such as add.cube, add.uvSphere, and save the result. MCP connects AI to tools; KHP lets AI operate professional software.

Which files does Kition cube work with?

Kition cube saves .kcube. It also opens .glb, .gltf, .fbx, .usd, .usda, .usdc, .usdz, .obj, .stl, .blend.

How mature is Kition cube?

Kition cube is in Beta. The kit version shipped with Kition right now is 0.14.0.

Nearby planets

Sources in the Kition repositories

KitionAI/kition-cube

  • kit.json
  • README.md
  • bindings/wasm/src/commands.rs