Cua Developers

Open-source computer-use automation for real machines and local isolated desktops.

New: drive a real desktop app without taking over the cursor

Install Cua Driver, launch Calculator in the background, click a native button, and verify the app state changed through a snapshot.

Drive your first appCreate a cloud sandbox

Cua Driver

Run native desktop apps in the background through MCP, CLI, or a long-running driver daemon.

Start with a real app

Cua Sandbox

Spin up disposable GUI machines when agents need fresh state, isolation, and repeatable runs.

Create a cloud desktop

Cua-Bench

Define verifiable computer-use tasks, run agents across environments, and score their trajectories.

Evaluate an agent

Architecture

See how driver, sandbox, computer, agent, and MCP layers fit together before you build deeper.

Understand the stack

Cua Driver in action

Agents build and inspect desktop apps on Windows and headless Linux while the developer keeps control of the active desktop.

Build and check a WPF app on Windows

Claude Code builds a WPF CRM, runs it, patches the code, and checks the app again.

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Fill a Linux spreadsheet over SSH

An agent enters a monthly budget in Gnumeric on a remote machine with no attached display or GPU.

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Featured resources

Guides, posts, and release notes from Cua.

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Guide

Drive your first desktop app

Install Cua Driver, connect your agent, and verify a real app changed state in the background.

Start the guide

Infrastructure

Install Lume

Use Lume for local Apple Silicon macOS VMs and lower-level VM control, separate from Cua Sandbox cloud desktops.

Set up local macOS VMs

Blog

Apple Silicon and macOS VMs: 11–16× Faster LLM Inference with llama.cpp

A process-scoped Metal capability shim unlocks newer GPU paths inside a Lume macOS VM, making llama.cpp prompt processing up to 11×...

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Changelog

Week of May 18, 2026

The latest release notes and platform changes, including computer_server bind defaults.

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Examples

Practical workflows for lifecycle, snapshots, secrets, ports, images, and repeatable agent work.

Browse examples

Reference

Look up lifecycle calls, image options, interfaces, and the Python and TypeScript sandbox surface.

Explore the SDK