cmux-cua

cmux-cua is a skill for Claude Code, Codex from manaflow-ai/cmux. It costs 74 tokens per session (4,331 once invoked), scanned A, original, no licence file.

Computer control for operating real macOS applications from a cmux agent session using accessibility information and screenshots.

In plain words
What is it for?
Use it to inspect and operate local Mac apps by clicking, typing, scrolling, dragging, and moving through their interfaces.
Why use it?
It lets an agent work with graphical apps when ordinary computer-use tools are unavailable or failing.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present.

Good fit Use it to inspect and operate local Mac apps by clicking, typing, scrolling, dragging, and moving through their interfaces.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/manaflow-ai/cmux/cmux-cua
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add manaflow-ai/cmux --skill cmux-cua
Clone the repo
git clone --depth 1 https://github.com/manaflow-ai/cmux

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for cmux-cua

README.md
[![agentmods](https://agentmods.dev/badge/skills/manaflow-ai/cmux/cmux-cua/github.svg)](https://agentmods.dev/skills/manaflow-ai/cmux/cmux-cua)
Your own site
<a href="https://agentmods.dev/skills/manaflow-ai/cmux/cmux-cua"><img src="https://agentmods.dev/badge/skills/manaflow-ai/cmux/cmux-cua/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cmux-cua

Your own site · 80×15
<a href="https://agentmods.dev/skills/manaflow-ai/cmux/cmux-cua"><img src="https://agentmods.dev/badge/skills/manaflow-ai/cmux/cmux-cua.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 74 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,331 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
  • Socket pass 12 Oct 2026
  • Snyk pass 12 Oct 2026
How audits are shown
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00074 $0.04331
Opus 5.5 $0.00030 $0.01732
Sonnet 5.5 $0.00015 $0.00866
Haiku 4.5 $0.00007 $0.00433

Measured 16d ago against content hash da40b9c5aeff, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cmux-cua scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 16d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (client-policy.sh, link-policy.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/cmux-cua/SKILL.md · 314 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 16d ago Changed · +1 lines da40b9c5aeff
  2. 19d ago Changed · +14 lines 059baa815b2c
  3. 1mo ago Changed · +13 lines · +9 tokens per session 173d6a45515e
  4. 1mo ago Changed · +22 lines · -18 tokens per session 37992f9c0e31
  5. 1mo ago First seen · 264 lines · 83 tokens per session scan A a8b7ea1f6591

Subscribe to this mod's changes

cmux-cua is a skill published in the GitHub repository manaflow-ai/cmux (28,531 stars, last pushed today), with no licence file. It adds 74 tokens to every session and 4,331 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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