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How to create a local macOS VM on Apple Silicon with Lume with Cua

Install Lume, create a macOS Tahoe VM from an Apple restore image and connect over SSH.

Short answer: Install Lume: /bin/bash -c "$(curl -fsSL https://cua.ai/lume/install.sh)"; then follow the Create your first Lume VM quickstart; create a macOS Tahoe VM from an Apple restore image and start it. All steps.

Who it is forA developer who needs clean macOS environments for testing or for agents to work in.

The problemTesting on a fresh macOS install or isolating an agent usually means a second Mac.

The outcomeA vanilla macOS Tahoe VM running locally on Apple's Virtualization Framework, reachable over SSH.

What you need first

  • macOS 26 or later for Cua Spaces
  • Apple Silicon for Lume VMs
  • macOS, Linux or Windows for the cua CLI and Cua Driver
  • Spaces is free for individuals; Pro and Teams are paid

Steps

  1. Install Lume: /bin/bash -c "$(curl -fsSL https://cua.ai/lume/install.sh)"
  2. Follow the Create your first Lume VM quickstart
  3. Create a macOS Tahoe VM from an Apple restore image and start it
  4. Connect to it over SSH
  5. Hand the VM to your agent or test suite instead of your main machine

Prompt for your agent

Using trycua/cua Lume on this Apple Silicon Mac, create a macOS Tahoe VM, start it, connect over SSH, and run <test command> inside it, then report the result.

Caveat. Lume needs Apple Silicon, and a macOS VM image is a large download.

Use this in your AI agent

Ask your agent

Using the Deduped MCP, get the setup steps for trycua/cua and "Create a local macOS VM on Apple Silicon with Lume"

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claude mcp add --transport http deduped https://dedupedai.com/mcp

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