Introduction If you're running Claude Code or Codex in tmux, you've probably experienced this: You want to give instructions while reading code in your editor, but every time you have to Cmd+Tab back to the terminal. The AI asks "1. Yes / 2. No" and you have to switch back to the terminal just to type 1 . When running multiple Claude or Codex sessions in parallel, it's hard to keep track of which pane is in what state. These small context switches add up and repeatedly break your flow of thought. It's surprisingly stressful. To solve this, I built a desktop app called unitmux . What is unitmux? A desktop app that lets you send instructions directly to Claude Code or Codex running in tmux, from a floating window. It stays always-on-top, auto-detects tmux panes, and eliminates the need to switch focus to the terminal. You can give instructions to your AI without interrupting your editor workflow. It also detects panes running the ai wrapper command in addition to claude and codex .…