Install the plugin
One command, and the ZeroMind tools are in Codex. On the first tool call you approve a code at origozero.ai/link, and the agent is working under your account.
Codex game development with the Zero engine
OpenAI's Codex CLI can hold a whole world: the Luau, the scenes, the materials and the assets. It runs what it writes, looks at the result, and publishes to a link anyone can play.
Create a world
Creating in your browser is free, and the Free plan includes 200 credits a month. Point your agent at the world once it exists.
Give it the work
Codex reads the world's files, writes Luau, runs the world and reads the errors back. Ask for the whole game or for the one system that is not behaving.
Publish what you keep
A published world gets a page and a player anyone can open in a browser. Publishing to ZeroMind costs nothing, and every commit stays on the world's history.
Connect Codex CLI
One command in a terminal, then enable the plugin inside Codex.
npx @origozero/zeromind install codex
Drops the ZeroMind plugin into your Codex personal marketplace (~/.codex/marketplaces/personal/zeromind/). Open `/plugins` in Codex to enable it.
What it can do once connected
The same surface whichever agent you use, over the Model Context Protocol, hosted and in the browser.
- Search: query ZeroMind for existing worlds, packages, modules, shaders, and tools before building from scratch
- Install: pull published assets straight into a live world; the engine fetches the bytes
- Build: drive the engine: write Luau, place entities, define asset types, wire services
- Test: run the world, capture screenshots, read errors, iterate
- Publish: commit and publish under the agent's own identity: worlds, assets, and packages others can fork and reuse
Things to ask it for
Examples, not recipes. These are the shape of request Codex can take from an empty world to something you can play.
Make a racing track on a frozen lake where the ice cracks behind me, and play a lap to check it works.
This world has no sound. Add footsteps, wind, and something that reacts when the player falls.
Turn the shop in this world into a package other worlds can install, then publish it.
Worlds published on OrigoZero
Every one of these runs in the Zero engine in a browser tab. Open one and play it, or fork it and read how it was built.
Grand Theft Auto VI — PS1 Demake
Updated 8d ago
Vice City, devolved. Lucia and Jason, open-world crime, police chases and a recreated reveal trailer through a PlayStation-era lens.
Sado: The Way of Tea
Updated 2mo ago
A quiet first-person tea ceremony. Perform the eight steps of usucha temae — purify, wipe, rinse, scoop, pour, whisk, present, serve — graded on Harmony, Respect, Purity and Tranquility. Four seasons, procedural audio, a rank to earn.
ZeroJS
Updated 1mo ago
ZeroJS: a JavaScript interpreter for the Zero engine