GameStudio

Website: https://abuurka.github.io/gamestudio · Documentation: Illustrated user manual · Offline HTML edition · 20 narrated video tutorials · All references

Let your AI agent build your game inside Blender.

GameStudio is a Blender 5.2+ extension. It turns Blender into a place where an AI agent makes 3D assets, levels and gameplay code in one app. Any agent that speaks MCP can use it: Claude Code and Codex connect in one click, and other MCP clients connect to the same server (how). The agent models props with parametric kits or Python, lays out levels, attaches game components to objects, writes TypeScript systems, and then plays the game, looks at it and fixes what's wrong, all through one MCP server. You describe the game, watch Blender update, and play the result in your browser. You can change anything by hand at any time.

Gem Island was built entirely through the MCP tools from the brief "collect all the gems on a floating island before the timer runs out": kits for the art, TypeScript for the rules, playtests to prove them.

Why GameStudio

AI coding agents can build 3D games now, but the usual ways of doing it each have a catch:

• Vibe-code straight into three.js. It is quick to start, but every model has to be written as code. There are no modeling tools, and nothing on screen you can grab and fix by hand.
• Use a game engine such as Unity, Godot or Unreal. Engines are built to run games, not to make 3D art, so the models still come from somewhere else, usually Blender.
• Split the work across Blender, an engine and a code editor. Every change crosses tools: export, import, fix the scale and the materials, find the code that uses it. You and the agent both lose time switching.

GameStudio takes the best of both worlds:

1. One platform. Blender is where you model, build levels and give objects their game behaviour, and TypeScript holds the rules. Your AI agent works on all of it through one MCP server, and you can change anything by hand.
2. The web as the target. The game runs on three.js in any modern browser, on any operating system, and ships as a static web build you can host anywhere or share as a link. There is no engine to install and no per-platform build.

Why Blender

Built in Blender with geometry nodes	The same level in the game (browser)

A 150 m valley built in about 2 seconds from GameStudio's geometry-nodes builders: cliffs, a river with a bridge, a fenced road with lamps, a village and 273 trees scattered around them. Procedural materials are baked and the scatter exports as GPU instances, so the game matches Blender: 925 instances in 24 draw calls.

Blender has the richest scriptable 3D toolset there is: modeling, geometry nodes, modifiers, node materials, rigging and animation. Web 3D libraries have no authoring tools at all, so GameStudio builds in Blender and exports the result for the browser.

How it works

 Your agent  ──stdio──► @gamestudio/mcp ──localhost + token──► Blender + GameStudio extension
                              │                                     │ export (.glb + manifest)
                              ├──► dev server (Vite, live link) ◄───┘ live edits while playing
                              └──► headless browser ──► the game (TypeScript, three.js, Rapier)

The agent gets 64 MCP tools. Each one returns something the agent can check: an image, a report, game state or a log line.

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