computer_use

computer_use is a skill for Claude Code, Codex from agentscope-ai/QwenPaw. It costs 38 tokens per session (2,498 once invoked), scanned A, original, Apache-2.0.

A guide for controlling a live Windows or macOS desktop through an approved application window when structured tools cannot complete the task. It requires observing the current screen before acting and checking the result afterward.

In plain words
What is it for?
It helps discover applications and windows, perform GUI actions, and verify the final visible state for desktop tasks.
Why use it?
It reduces mistakes caused by acting on an unknown window or assuming that an action succeeded. It also limits interaction to the selected application and window.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for qwenpaw. Also seen: built for qwenpaw.

Good fit It helps discover applications and windows, perform GUI actions, and verify the final visible state for desktop tasks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/agentscope-ai/qwenpaw/computer_use
About the project

QwenPaw is a personal AI assistant that runs on a local machine or in the cloud and connects to multiple chat applications. It provides memory, file workspaces, multiple agents, skills, plugins, and integrations with language-model providers and external tools. The catalogue entries are skills that extend its capabilities.

agentscope-ai/QwenPaw · 35,042 stars · on GitHub · qwenpaw.agentscope.io

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 agentscope-ai/QwenPaw --skill computer_use
Clone the repo
git clone --depth 1 https://github.com/agentscope-ai/QwenPaw

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 computer_use

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentscope-ai/qwenpaw/computer_use.svg)](https://agentmods.dev/skills/agentscope-ai/qwenpaw/computer_use)
Your own site
<a href="https://agentmods.dev/skills/agentscope-ai/qwenpaw/computer_use"><img src="https://agentmods.dev/badge/skills/agentscope-ai/qwenpaw/computer_use.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,498 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. ✓ AI security review Fable 5.1 · 6 Sept 2026 📄 Read the review Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 252
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
Origin original 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 $0.00038 $0.02498
Opus 5 $0.00019 $0.01249
Sonnet 5 $0.00008 $0.00500
Haiku 4.5 $0.00004 $0.00250

Measured 8d ago against content hash 4ee7391581a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

computer_use 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 8d ago.

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.

plugins/bundle/computer-use/skills/computer_use/SKILL.md · 258 lines

How it starts

The opening of the file, as written. The whole thing — 258 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Computer Use

Use Computer Use only for tasks that require a live desktop interface or visual verification. Prefer a purpose-built integration or command-line tool when it can complete and verify the task.

Use only the native desktop runtime. It operates on one approved application and one observed window at a time; it never accepts a free-form screen target.

Operating Loop

Follow this loop for every task:

  1. Discover the canonical application and the correct window.
  2. Observe the window and identify the requested state from current evidence.
  3. Define the next expected visible or accessible state change.
  4. Choose one action channel and perform the smallest useful action.
  5. Inspect the replacement observation before deciding the next action.
  6. Observe the final state and verify every requested outcome before reporting success.

Treat dispatched: true or an intermediate acknowledgement only as evidence that input was sent, not that the application completed the operation. If the final state is incomplete or uncertain, report that accurately.

Discover the Target

  1. Call list_apps and select the canonical App ID.
  2. Call list_windows, optionally limited by that App ID.
  3. Match the target by title, content, and observed state. When several windows are plausible, observe them read-only until one matches; never choose only because it is first or most recent.
  4. Keep using the matched window_id until an action explicitly hands off to another window.

Use launch_app with a canonical App ID. If the application is not listed, use an explicit absolute executable path on Windows or application-bundle path on macOS. After launch, list its windows again because launch completion does not prove that a usable window already exists.

When the runtime reports a missing system permission, stop and ask the user to grant it. Do not retry until the user confirms the permission was granted.

Read an Observation

observe_window returns a point-in-time window observation with screenshots and accessibility text. Start with:

Read the full file on GitHub · 258 lines

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. 8d ago First seen · 258 lines · 38 tokens per session scan A 4ee7391581a7

Subscribe to this mod's changes

computer_use is a skill published in the GitHub repository agentscope-ai/QwenPaw (35,042 stars, last pushed today), licensed Apache-2.0. It adds 38 tokens to every session and 2,498 once invoked, about $0.0002 per session on Opus 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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