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Guide to running Minecraft Java Edition in a Windows sandbox for agent control
Key points
- Uses cua-sandbox 0.3.3 or newer.
- Requires a host with hardware virtualization.
- Needs a Microsoft account owning Minecraft Java Edition.
- Agent control via cua-driver's MCP server.
Running Minecraft in a Windows Sandbox
This guide outlines the process of installing and running Minecraft Java Edition inside a Windows sandbox. The setup enables an agent to interact with the game through a cua-driver MCP server, which operates within the sandbox environment. This configuration serves as a demonstration of a Windows sandbox's ability to handle complex applications.
Technical Requirements
To follow this guide, users need cua-sandbox version 0.3.3 or newer. The host system must support hardware virtualization, specifically a Linux x86_64 machine with /dev/kvm or an Intel Mac. A Microsoft account with ownership of Minecraft Java Edition is also necessary, as the sign-in process involves manual device authorization. Finally, a vision-capable LLM endpoint is required for the agent loop.
Sandbox Configuration
The process involves booting a Windows sandbox using Image.windows(), which defaults to a pinned Windows Server 2022 containerDisk. Key modifications include exposing port 3000 for the cua-driver's MCP server, adding a second network interface to provide internet access for Minecraft, and specifying '-cpu host' to ensure adequate OpenGL driver support. The default 'qemu64' CPU model is insufficient for software OpenGL, causing Minecraft to crash during resource loading.
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Reporting from
A guide details how to set up Minecraft Java Edition within a Windows sandbox environment, allowing it to be controlled by an agent via the cua-driver MCP server. This setup demonstrates the capabilities of Windows sandboxes for applications requiring internet access, Java, OpenGL, and GUI interaction.