trycua/cua: Open-Source Computer-Use Agent Infrastructure Hits 13.5K Stars — Sandboxed Desktops for Training Autonomous Agents

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Cua provides sandboxed desktop environments (macOS, Linux, Windows) via Docker, QEMU, and Apple Virtualization.framework for building, benchmarking, and deploying AI agents that control full desktops autonomously. Unlike brittle script-based automation, Cua agents see screens, understand UI elements, and execute tasks through natural language instructions in isolated environments that can be spun up and torn down without affecting host systems. If you're building computer-use agents, this is the sandbox infrastructure you'd otherwise have to build yourself.