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17 GitHub stars from early adopters
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Open source under GPL-3.0 license — free to use and modify
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MCP server connecting AI assistants to the S&box editor in real time
What is Ozmium MCP for S&box? Features and use cases explained.
About Ozmium MCP for S&box
Ozmium MCP Server for S&box bridges AI coding assistants with the S&box editor via the Model Context Protocol (MCP). It runs an SSE-based server on localhost:8098, allowing AI tools to read and manipulate your scene in real time — no copy-pasting required. With 95 tools across 12 categories (scene read/write, asset queries, editor control, console access, mesh editing, lighting, physics, audio, camera, effects, utilities), it covers everything from querying game objects and component properties to spawning prefabs and controlling play mode. Localhost-only ensures data never leaves your machine. Perfect for game developers who want to accelerate S&box workflows with AI assistance.
Use Cases
- ▸Get a scene summary to quickly understand object layouts before writing code that interacts with the scene
- ▸Find game objects by tag or component type to locate specific entities during debugging or level design
- ▸Spawn prefabs programmatically based on AI-generated design decisions without leaving the editor
- ▸Control play mode to test game logic automatically and iterate rapidly
- ▸Run console commands via AI to modify runtime state or troubleshoot issues without manual typing
Features
- ✓Connects AI assistants to the S&box editor using the Model Context Protocol
- ✓Provides 95 tools across 12 categories for comprehensive scene and editor control
- ✓Reads scene summaries, finds game objects by filters, and inspects component properties in real time
- ✓Writes component property values, spawns prefabs, and controls play mode without manual intervention
- ✓Runs console commands and accesses asset queries to streamline debugging and iteration
- ✓Ensures all communication stays local to your machine with no external data transmission
FAQ
Does this tool send my scene data to external servers?▼
No. The server runs locally on `localhost:8098` and nothing leaves your machine. All data stays within your editor and AI assistant.
Which AI assistants are compatible?▼
Any AI assistant that supports the Model Context Protocol (MCP), such as Claude and Cursor.
Can I use it to automate repetitive tasks like creating prefabs or adjusting materials?▼
Yes. You can instruct your AI assistant to spawn prefabs, modify component properties, or run console commands, automating many manual workflows.
Will it slow down the editor or my game?▼
The server is lightweight and designed for minimal overhead. It should not noticeably impact editor or game performance during normal use.
How do I install and set it up?▼
Follow the README in the repository: download the server, run it, and configure your MCP-compatible AI client to connect to `localhost:8098`.
How to install Ozmium MCP for S&box — setup guide and prerequisites.
Installation
Install Ozmium MCP for S&box to get started:
$git clone https://github.com/ozmium7/Ozmium-MCP-Server-for-Sbox.git
Or visit the project page for detailed setup instructions.
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