Ullrich Schäfer b4c0ee954d

Add cmux skills (browser, debug-windows, markdown, core)

Skills for cmux terminal integration: browser automation for visual
verification, debug windows, markdown viewer, and core topology control.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-22 12:25:54 +01:00

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Command Reference (cmux Markdown)

Opening a Markdown Panel

cmux markdown open <path>
cmux markdown <path>          # shorthand (implicit "open")

Options

Flag	Description	Default
`--workspace <id\|ref\|index>`	Target workspace	`$CMUX_WORKSPACE_ID`
`--surface <id\|ref\|index>`	Source surface to split from	Focused surface
`--window <id\|ref>`	Target window	Current window

Output

OK surface=surface:8 pane=pane:3 path=/absolute/path/to/file.md

With --json:

{
  "window_id": "...",
  "workspace_id": "...",
  "pane_id": "...",
  "surface_id": "...",
  "path": "/absolute/path/to/file.md"
}

Path Resolution

Relative paths are resolved against the caller's current working directory.
~ is expanded to the home directory.
The resolved absolute path is returned in the output.

# These are equivalent when run from /Users/me/project
cmux markdown open plan.md
cmux markdown open ./plan.md
cmux markdown open /Users/me/project/plan.md

Panel Behavior

The panel opens as a horizontal split to the right of the source surface.
The tab title shows the filename (e.g., plan.md).
The tab icon is a document icon.
Content is read-only with text selection enabled.
The file path is displayed as a breadcrumb at the top of the panel.

Session Persistence

Markdown panels are saved and restored across sessions. On restore, the panel re-reads the file from disk. If the file no longer exists at restore time, the panel is not recreated.

Help

cmux markdown --help
cmux markdown -h

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