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cmux-keyboard-shortcuts — Claude Code skill: setup & guide

Configures cmux shortcuts in ~/.config/cmux/cmux.json. Useful for adopting tmux-style chords, auditing overrides, and validating syntax.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add manaflow-ai/cmux --skill cmux-keyboard-shortcuts -a claude-code
Open on GitHub

What cmux-keyboard-shortcuts does

The skill inspects, unbinds, and updates keybindings inside ~/.config/cmux/cmux.json under the shortcuts.bindings path. It relies on the cmux-settings helper script to read JSONC, write atomically, and validate action keys. It handles single keystrokes like cmd+b, chord sequences like ctrl+b c, and unbinding actions via null.

You must have an accessible cmux-settings script from a cmux checkout or local skill path. The system-wide shortcut showHideAllWindows will fail to trigger unless you first check Enable System-Wide Hotkey inside the application settings. Changes reload live on save. No restart is needed.

What it helps with

  • apply tmux-style keybindings to cmux
  • unbind conflicting shortcut actions
  • validate syntax in cmux.json
  • audit custom keyboard overrides

Example prompts for the agent

  • Apply tmux-style shortcut bindings to cmux
  • Audit my current cmux keyboard overrides
  • Unbind the close tab shortcut in cmux

How to install cmux-keyboard-shortcuts

1Skills CLI (Vercel)

npx skills add manaflow-ai/cmux --skill cmux-keyboard-shortcuts -a claude-code

2Manually: put the files in place

~/.claude/skills/cmux-keyboard-shortcuts/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/cmux-keyboard-shortcuts/

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Questions about cmux-keyboard-shortcuts

How do I install cmux-keyboard-shortcuts in Claude Code?

Run npx skills add manaflow-ai/cmux --skill cmux-keyboard-shortcuts -a claude-code.

What does cmux-keyboard-shortcuts do?

It manages keybindings in ~/.config/cmux/cmux.json, proposes preset layouts, and validates shortcut actions via the cmux-settings helper.

Do I need to restart cmux after updating keybindings?

Saving cmux.json triggers a live reload immediately, so restarting cmux is unnecessary.

See also

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