dreikanter/cmux
config/claude/skills/cmux/SKILL.md
Use when the user asks to open tabs, manage panes, read other terminal screens, send commands to other terminals, control browser panes, or interact with the cmux terminal multiplexer in any way.
$ install --global
skillsauthnpx skillsauth add dreikanter/dotfiles cmuxInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
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9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 21, 2026, 7:48 AM51.9s1 file scanned
SKILL.md
- name:
- cmux
- description:
- Use when the user asks to open tabs, manage panes, read other terminal screens, send commands to other terminals, control browser panes, or interact with the cmux terminal multiplexer in any way.
cmux
Terminal multiplexer with built-in browser. Control via cmux CLI. Environment auto-sets CMUX_WORKSPACE_ID and CMUX_SURFACE_ID for the current terminal.
Addressing
Use short refs: window:1, workspace:2, pane:3, surface:4. Pass --json for structured output.
Quick Reference
| Task | Command |
|------|---------|
| List workspaces | cmux list-workspaces |
| New workspace (tab) | cmux new-workspace |
| New workspace with cmd | cmux new-workspace --command "cmd" |
| Select workspace | cmux select-workspace --workspace <ref> |
| Rename workspace | cmux rename-workspace --workspace <ref> "title" |
| Close workspace | cmux close-workspace --workspace <ref> |
| Current workspace | cmux current-workspace |
Panes and Splits
| Task | Command |
|------|---------|
| Split right | cmux new-split right |
| Split down | cmux new-split down |
| List panes | cmux list-panes |
| Focus pane | cmux focus-pane --pane <ref> |
| Resize pane | cmux resize-pane --pane <ref> -R --amount 20 |
| Close surface | cmux close-surface --surface <ref> |
Reading and Sending
| Task | Command |
|------|---------|
| Read current screen | cmux read-screen |
| Read other surface | cmux read-screen --surface <ref> |
| Read with scrollback | cmux read-screen --scrollback --lines 200 |
| Send text to surface | cmux send --surface <ref> "text" |
| Send keypress | cmux send-key --surface <ref> Enter |
Browser
| Task | Command |
|------|---------|
| Open browser pane | cmux browser open <url> |
| Open as split | cmux browser open-split <url> |
| Navigate | cmux browser navigate <url> |
| Take snapshot | cmux browser snapshot |
| Interactive snapshot | cmux browser snapshot --interactive |
| Click element | cmux browser click "selector" |
| Type into field | cmux browser type "selector" "text" |
| Evaluate JS | cmux browser eval "document.title" |
| Get current URL | cmux browser url |
| Back/forward/reload | cmux browser back / forward / reload |
Notifications and Sidebar
| Task | Command |
|------|---------|
| Desktop notification | cmux notify --title "Done" --body "Task complete" |
| Set sidebar status | cmux set-status key "value" --icon name |
| Set progress | cmux set-progress 0.5 --label "Halfway" |
| Log message | cmux log "message" |
Tips
- Omit
--workspaceand--surfaceto target the current terminal (uses env vars). - Use
--workspace <ref>or--surface <ref>to target other terminals. cmux identifyshows the current workspace/surface/pane context.cmux list-pane-surfacesshows tabs within a pane.- Run
cmux helporcmux <command> --helpfor full flag details.
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