Computer use for AI agents: read and operate desktop apps through the OS accessibility tree. A CLI and C library for macOS, Windows and Linux. A snapshot returns JSON with a ref for every element an agent can act on. The agent acts on a ref and snapshots again to check, with no pixel matching; the loop stays in your agent. Every CLI call runs in its own process. Headless calls still prohibit foreground activation and synthesized input. Snapshots, clipboard reads, screenshots, command output and debug artifacts can contain private desktop content. Keep them out of public logs and uploads. The o