Cua Spaces Cua Spaces is a free, source-available Mac app that provides AI agents with dedicated desktop environments (Spaces) running as local virtual machines or containers on the user's hardware, other owned machines, or cloud. Users can teleport signed-in app sessions into a Space after Touch ID approval, watch and take over with multiplayer cursors, and connect agents via MCP. It launches at login and supports macOS 26+ on Apple silicon.