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MCio
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Minecraft Input/Output
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Runs entirely on the client. Works on vanilla servers.
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Minecraft Input/Output (MCio)
MCio mod | mcio_ctrl | Documentation | Discord
MCio is a Fabric mod that exposes a network interface to Minecraft for AI research. It accepts keyboard/mouse input and sends back video frames and game state over ZeroMQ.
Features
- Python library (mcio_ctrl) with Gymnasium environments
- Faster than real-time performance (>13x on an M3 laptop)
- Works with performance mods like Sodium
- Supports resource packs for varied training environments
- Connect/reconnect agents without restarting Minecraft
- Decoupled ZMQ protocol for easy integration
- Synchronous mode for fast training
- Asynchronous mode for real-time human/AI interaction
- Headless mode with GPU acceleration
- VPT and STEVE-1 support on modern Minecraft with Sodium
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Sample Text dump of actions and observations with frame. -
Running with mob detection Using MCio to run a basic mob detection model while playing Minecraft
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