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What is cmux-skills?

manaflow-ai/cmux-skills — explained in plain English

Analysis updated 2026-08-08 · repo last pushed 2026-07-15

24PythonAudience · developerComplexity · 2/5ActiveSetup · easy

In one sentence

A collection of add-on skills that teach AI coding assistants like Claude Code and Cursor how to control cmux, a macOS terminal built for AI agents, including managing workspaces, browser automation, and creating shareable walkthroughs.

Mindmap

mindmap
  root((repo))
    What it does
      Agent skills for cmux
      CLI workspace control
      Browser automation
    Tech stack
      Python
      Markdown docs
      HTML artifacts
    Use cases
      HTML walkthrough demos
      Automated browser testing
      Cloud VM management
    Audience
      Developers using AI agents
      Founders with AI assistants
    Setup
      Copy skills to agent folder
      Pick specific skills

Code map

Detail Auto

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What do people build with it?

USE CASE 1

Teach your AI coding agent to manage cmux workspaces and panes via command-line instructions.

USE CASE 2

Have your agent automate browser interactions like taking screenshots during testing sessions.

USE CASE 3

Generate shareable HTML walkthrough artifacts showing what your AI agent built or did.

USE CASE 4

Spin up cloud virtual machines directly from your AI coding assistant inside cmux.

What is it built with?

PythonMarkdownHTML

How does it compare?

manaflow-ai/cmux-skills0311119/free_registertool18597990650-lab/multi-agent-game
Stars242424
LanguagePythonPythonPython
Last pushed2026-07-15
MaintenanceActive
Setup difficultyeasyhardmoderate
Complexity2/54/53/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Requires cmux terminal and an AI coding assistant that reads from a skills folder, installation is a single copy command.

No license information is provided in the repository documentation.

So what is it?

cmux-skills is a collection of add-on capabilities for AI coding assistants that use cmux, a macOS terminal designed for AI agents. Cmux organizes terminal sessions with vertical tabs and built-in notifications, and this repo gives coding agents like Claude Code, Cursor, or Codex a set of reference documents and tools to control cmux more effectively. The repository packages several "skills," each focusing on a different part of the cmux experience. For instance, one skill teaches an agent how to use the cmux command-line interface for tasks like managing workspaces and panes. Another helps the agent read and write cmux configuration files safely. There are also skills for controlling cmux's built-in browser (taking screenshots, interacting with web pages), building custom sidebar views, creating HTML walkthrough artifacts for demos, and spinning up cloud virtual machines. Each skill lives in its own folder with a documentation file and any supporting scripts it needs. This is aimed at developers and founders who already run AI coding assistants and want those agents to take fuller advantage of cmux as a workspace. For example, if you use Claude Code to build a feature and want it to produce a shareable HTML walkthrough of what it did, the cmux-artifact skill enables that. If you want your agent to automate browser interactions during testing, the cmux-browser skill provides the instructions it needs to do so. You install these skills by running a simple command that copies the ones you want into a folder your agent already reads from. You can grab all of them at once or pick specific skills for specific agents. The README doesn't go into detail about what each skill's documentation contains beyond the one-line descriptions, but the structure is straightforward, each skill is self-contained and ready to drop into a compatible agent's workflow.

Copy-paste prompts

Prompt 1
Install the cmux-artifact skill into my Claude Code workflow and have it generate an HTML walkthrough of the feature I just built.
Prompt 2
Set up the cmux-browser skill so my Cursor agent can take screenshots and interact with web pages during automated testing.
Prompt 3
Copy only the cmux-cli and cmux-config skills into my agent's skills folder so it can manage cmux workspaces and edit configuration files safely.
Prompt 4
Write a script that uses the cmux-cloud skill to spin up a cloud virtual machine from my AI coding assistant running in cmux.

Frequently asked questions

What is cmux-skills?

A collection of add-on skills that teach AI coding assistants like Claude Code and Cursor how to control cmux, a macOS terminal built for AI agents, including managing workspaces, browser automation, and creating shareable walkthroughs.

What language is cmux-skills written in?

Mainly Python. The stack also includes Python, Markdown, HTML.

Is cmux-skills actively maintained?

Active — commit in last 30 days (last push 2026-07-15).

What license does cmux-skills use?

No license information is provided in the repository documentation.

How hard is cmux-skills to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is cmux-skills for?

Mainly developer.

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