Build-World: AI-Powered 3D Game Prototypes in Unity & Three.js

Build-World: AI-Powered 3D Game Prototypes in Unity & Three.js

Build-World is an AI assistant skill designed to create polished, fully playable 3D game prototypes in Unity and Three.js. It utilizes high-quality (.glb) meshes from the Thrixel API and enables the publication of finished games through a public thrixel.world link for browser play.

What this skill does

• Generates 3D game prototypes in Unity or Three.js, using assets from the Thrixel API.
• Publishes games to a public thrixel.world link, making them accessible via web browsers.
• Facilitates the management of game projects including listing, renaming, updating, unpublishing, or finding links to published games.
• Supports hosting and sharing of existing game folders, converting them into playable links.

Who it is for

Build-World is tailored for developers and teams utilizing AI coding agents like Claude Code, Cursor, and Codex. It serves those engaged in 3D game development, from hobbyists to professional developers, who seek to rapidly prototype and share their creations.

Use cases

• Creating quick prototypes of 3D games for testing concepts using Unity or Three.js.
• Utilizing high-quality 3D assets to improve game aesthetics without extensive modeling work.
• Sharing developed game prototypes with collaborators or testers through an easily accessible browser link.
• Managing and updating published game resources efficiently.

Technical details

• Compatible with Unity and Three.js development frameworks.
• Integrates with the Thrixel API for accessing high-quality (.glb) 3D assets.
• Enables game publication and hosting via the thrixel.world platform.
• Requires an update check at the start of each session to ensure compatibility with the latest Thrixel MCP server protocols.

Source & Licence

This package is built on open-source work published by thrixel (thrixel/build-world) and distributed under Apache-2.0. The original licence text and copyright notice are included in your download.

Personal and commercial use, modification and redistribution are permitted under the Apache License 2.0, which also includes an express patent grant. Attribution and any NOTICE file must be retained.

Your purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.

Delivery & Support

• Delivery: instant — a secure download link is emailed to you as soon as payment is confirmed.
• Format: ZIP archive containing the skill files, documentation and the original licence.
• Support: support@mcpcart.com — we aim to reply within 2 business days.
• Updates: updates are included only where stated on this page.

Refunds

This is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.

Claude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.