paseo-cua

paseo-cua is a skill for Codex from wilgon456/Paseobility. It costs 110 tokens per session (1,199 once invoked), scanned A, original, MIT.

A desktop automation guide for the trycua Cua Driver, a tool for controlling native application windows on macOS, Windows, and Linux. It covers checking the driver, permissions, available tools, and the inspect-snapshot-act-verify workflow.

In plain words
What is it for?
Use it to operate or inspect native desktop applications through Cua Driver, not ordinary web pages, files, code, or shell commands.
Why use it?
It prevents using the wrong automation method for a desktop app or acting before the required accessibility and screen permissions are ready.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it to operate or inspect native desktop applications through Cua Driver, not ordinary web pages, files, code, or shell commands.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wilgon456/paseobility/paseo-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 wilgon456/Paseobility --skill paseo-cua
Clone the repo
git clone --depth 1 https://github.com/wilgon456/Paseobility

Made for: 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 paseo-cua

README.md
[![agentmods](https://agentmods.dev/badge/skills/wilgon456/paseobility/paseo-cua/github.svg)](https://agentmods.dev/skills/wilgon456/paseobility/paseo-cua)
Your own site
<a href="https://agentmods.dev/skills/wilgon456/paseobility/paseo-cua"><img src="https://agentmods.dev/badge/skills/wilgon456/paseobility/paseo-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 paseo-cua

Your own site · 80×15
<a href="https://agentmods.dev/skills/wilgon456/paseobility/paseo-cua"><img src="https://agentmods.dev/badge/skills/wilgon456/paseobility/paseo-cua.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 110 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,199 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.
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 $0.00110 $0.01199
Opus 5.5 $0.00044 $0.00480
Sonnet 5.5 $0.00022 $0.00240
Haiku 4.5 $0.00011 $0.00120

Measured today against content hash 5597b1569f99, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

paseo-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 today.

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/paseo-cua/SKILL.md · 93 lines

How it starts

The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Paseo Cua Driver

trycua Cua Driver controls native app windows on macOS, Windows, and Linux. Web pages belong to paseo-browser. If a CLI, API, AppleScript/osascript, or file edit reaches the same outcome more reliably, use that and say so.

Ego Lite companion mode

For a task spanning a web page and a native application, keep Ego responsible for page actions and task-space cleanup. Read references/ego-companion.md for the artifact and control handoff. Preserve Ego's space ID/Page label across native work; do not create another browser space, attach Cua browser tools to that Page, or use Cua to bypass Ego's human-control/permission stops. Verify the native result before returning to a fresh Ego page observation.

Preconditions

  • cua-driver --version — binary present. If missing, use a non-GUI route if one exists; otherwise give the install command from references/setup.md, and run it if the user asks.
  • cua-driver permissions status — on macOS, Accessibility and Screen Recording must be granted by the human. cua-driver permissions grant opens the right Settings entries; ask the user to approve them. Never fake or bypass a grant.

Skip a separate readiness ritual: the first snapshot and action on the real target are the check. When something fails, see references/recovery.md.

Discover the contract

The installed binary is authoritative; tool names and arguments change between releases:

  • cua-driver list-tools, cua-driver describe <tool> — exact tools/arguments.
  • cua-driver --help — management subcommands.
  • cua-driver mcp-config --client <client> — prints an MCP snippet to merge into the client config; it registers nothing by itself.

Core loop

  1. Find the window (list_windows) or launch the app (launch_app).
  2. get_window_state for the accessibility tree plus screenshot; narrow it with query / max_elements first. Row [N] is acted on as element_token <snapshot_id>:N (e.g. "s0000002a:11", not "11"); element_index is not an input. Use pixel coordinates from the same snapshot only when the tree cannot reach the target.
  3. Act: click, type_text, press_key, set_value, invoke_menu, set_window_frame, scroll. Batch known actions with run_steps (observe:{} returns what changed) or run_script when the flow needs a loop or branch, if the installed schema advertises them. A new snapshot stales old tokens; re-read with since:"latest" for a diff.
  4. Verify the final result at checkpoints with a fresh read (verify_state or the tree). A tool reply alone is not proof.
  5. Background delivery is the default. If it is refused or unverifiable, inspect the current result before switching to delivery_mode: "foreground" and mention the focus change. Never replay an uncertain save/send/submit automatically.

Read the full file on GitHub · 93 lines

Files

What ships with it

6 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. today Changed 5597b1569f99
  2. yesterday Changed · +2 lines a90ae631b85e
  3. 4d ago Changed · +11 lines 1b4f8d5449f6
  4. 8d ago Changed · +14 lines · +36 tokens per session 2850cf97148f
  5. 15d ago Changed · +1 lines d9057faf6422
  6. 1mo ago Changed · +2 lines f5cfcb55caca
  7. 1mo ago First seen · 63 lines · 74 tokens per session scan A 9a16d525aca8

Subscribe to this mod's changes

paseo-cua is a skill published in the GitHub repository wilgon456/Paseobility (25 stars, last pushed today), licensed MIT. It adds 110 tokens to every session and 1,199 once invoked, about $0.0004 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 2026-09-22.

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