cmux-cua cmux bundles a local computer-use engine (packaged as with the MCP proxy named , from a pinned build of the fork) and attaches it as an MCP tool server named to every agent session cmux launches (Claude Code, Codex). The agent can then perceive and operate real macOS apps: read the accessibility tree, take screenshots, and click / type / scroll / drag. Everything runs locally through the bundled cmux Computer Use helper. The helper has its own TCC identity, so Accessibility and Screen Recording never belong to the main cmux app and granting Screen Recording never requires restarting…