Skill Claude CodeCodex
Screenshot or record a cmux window from the CLI, for a pull request, a bug report, or to see what the app actually looks like right now. Use when a change is visual, when a drag or an animation cannot be described in text, or when a reviewer needs evidence rather than a claim.
Skill Codex
Create durable HTML walkthrough artifacts for cmux dogfood, verification, demos, evidence pages, artifact previews, and open helpful tabs or splits in the current cmux workspace.
Skill Codex needs its repo
Automate the browser inside cmux. Use for cmux browser, browser surface, webview, current workspace browser, snapshot refs, DOM actions, waits, screenshots, cookies, storage, tabs, downloads, console, errors, and browser session state.
Skill Codex needs its repo
Comprehensive cmux CLI usage guide. Use when the user asks about cmux CLI, cmux --help, socket commands, command discovery, workspaces, panes, surfaces, browser CLI, hooks, feed, settings, or automation through the cmux command.
Skill Claude CodeCodex
Use cmux Cloud machines through the CLI. Use when the user says cmux cloud, cloud VM, cloud machine, cmux vm, Base workspace, machines panel, run/exec on a cloud machine, cloud agent, vm snapshot/fork/restore, push/pull files to a VM, open a port or desktop on a machine, or notify from inside a VM.
Skill Claude CodeCodex
Configure cmux through /.config/cmux/cmux.json: settings (appearance, sidebar, notifications, automation, browser, shortcuts, set/get/validate by JSON path), customization (tab bar buttons, plus-button click and right-click menus, custom actions/commands/menus, right sidebar), and sidebar workspace groups (anchor…
Skill Claude CodeCodex
Set up the cmux<>Freestyle integration by building a Freestyle VM snapshot that matches the cmux Cloud VM image. Use when the user asks to bring up cmux Cloud VMs on their own Freestyle account, mint a self-serve FREESTYLESANDBOXSNAPSHOT, build a cmuxd-remote Freestyle snapshot from scratch, run the standalone…
Skill Codex
Interpret pasted cmux workspace, pane, surface, or window refs and IDs. Use for cmux-ref, cmux-id, workspaceref, workspaceid, paneref, paneid, surfaceref, surfaceid, windowref, or windowid context blocks.
Skill Codex
Build, inspect, or revise cmux custom sidebar views using the runtime SwiftUI-style interpreter. Use for sidebar vibe coding, custom sidebars in Bonsplit panes, left sidebar picker previews, interpreted Swift sidebars, /.config/cmux/sidebars/.swift, cmux docs sidebars, or Aziz's Swift interpreter work.
Skill Codex needs its repo
Work inside the current cmux workspace and terminal. Use for cmux workspace, current workspace, caller surface, panes, surfaces, tagged reloads, socket targeting, and non-interfering cmux automation.
Skill Codex
Use when developing cmux-home, explaining its cmux event-driven Rust TUI, or adapting it into a custom cmux launcher for parallel agent workflows across worktrees, multiple checkouts, SSH hosts, VMs, browsers, or review dashboards.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: