Cmux
Personal agent skills (Claude Code / Codex) — SKILL.md collection
npx -y skills add YosukeIida/personal-agent-skills --skill cmuxAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
3 things to look at
- 20 days oldThe repository was created 20 days ago. New is not bad, but a brand new repository carrying a familiar-sounding name is the shape a typosquat arrives in, and there has been no time for anyone else to find a problem with it.
- no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
- 0 stars0 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
What its author says it does
Copied from the file, not written here
End-user control of cmux topology and routing (windows, workspaces, panes/surfaces, focus, moves, reorder, identify, trigger flash). Use when automation needs deterministic placement and navigation in a multi-pane cmux layout.
SKILL.md
3.4 KB, as published. Nobody here has run it
cmux Core Control
Use this skill to control non-browser cmux topology and routing.
Core Concepts
- Window: top-level macOS cmux window.
- Workspace: tab-like group within a window.
- Pane: split container in a workspace.
- Surface: a tab within a pane (terminal or browser panel).
Fast Start
# identify current caller context
cmux identify --json
# list topology
cmux list-windows
cmux list-workspaces
cmux list-panes
cmux list-pane-surfaces --pane pane:1
# create/focus/move
cmux new-workspace
cmux new-split right --panel pane:1
cmux move-surface --surface surface:7 --pane pane:2 --focus true
cmux split-off --surface surface:7 right
cmux reorder-surface --surface surface:7 --before surface:3
# attention cue
cmux trigger-flash --surface surface:7
Settings and Docs
Use cmux docs settings before changing cmux-owned settings. It prints the docs URL, schema URL, raw GitHub resources, cmux.json paths, and reload command.
cmux docs settings
cmux settings path
cmux-owned settings live in ~/.config/cmux/cmux.json. Legacy ~/.config/cmux/settings.json and ~/Library/Application Support/com.cmuxterm.app/settings.json files are read only as fallback for missing keys. Before editing, copy any existing cmux.json file to a timestamped .bak next to it so the user can revert. Edit the user file, then reload:
cmux reload-config
cmux reload-config reloads BOTH cmux.json and Ghostty config (~/.config/ghostty/config) and refreshes terminals in place. No app restart needed.
Use cmux settings for app behavior, sidebar, notifications, browser behavior, automation, workspace colors, and cmux-owned shortcuts. Terminal rendering settings such as font, cursor style, theme, scrollback, background transparency (background-opacity), and blur (background-blur) belong in Ghostty config at ~/.config/ghostty/config.
Open the UI when useful:
cmux settings
cmux settings cmux-json
cmux settings shortcuts
Handle Model
- Default output uses short refs:
window:N,workspace:N,pane:N,surface:N. - UUIDs are still accepted as inputs.
- Request UUID output only when needed:
--id-format uuids|both.
Deep-Dive References
| Reference | When to Use |
|---|---|
| references/handles-and-identify.md | Handle syntax, self-identify, caller targeting |
| references/windows-workspaces.md | Window/workspace lifecycle and reorder/move |
| references/panes-surfaces.md | Splits, surfaces, move/reorder, focus routing |
| references/trigger-flash-and-health.md | Flash cue and surface health checks |
| ../cmux-workspace/SKILL.md | Current caller workspace rules and non-disruptive automation |
| ../cmux-settings/SKILL.md | Safe cmux.json settings edits and validation |
| ../cmux-browser/SKILL.md | Browser automation on surface-backed webviews |
| ../cmux-markdown/SKILL.md | Markdown viewer panel with live file watching |