About cmux
cmux is a native macOS terminal built for coding agents. It is built on Ghostty and features vertical tabs, split panes, notification rings, and a socket API to coordinate multiple AI agents and CLI workflows, including Claude Code, Codex, OpenCode, Gemini CLI, Kiro, and Aider.
Key Features
For teams juggling multiple AI agents in a single macOS workspace, cmux provides a GUI-backed terminal that keeps context visible and actions programmable:
Vertical Tabs
Sidebar shows git branch, working directory, ports, and notification text
Notification Rings
Panes light up when agents need attention
Split Panes
Horizontal and vertical splits within each tab
In-app Browser & Scriptable API
Split a browser alongside your terminal with a scriptable API for automation
Summary
Best for AI/ML engineering teams, DevOps/ops teams, and researchers who run multiple terminal-based agents.
