Skills

Agent Desktop

Operates desktop apps through native accessibility trees on three OSes.

Install

npx skills add vercel-labs/agent-desktop --skill agent-desktop -g -a claude-code -y
Category
Engineering
Updated
3d ago
License
Apache-2.0
Context cost
Lightabout 1,131 tokens
Runs scripts
No, instructions only

What it does

Operate desktop applications on macOS, Windows and Linux through native accessibility trees, using the agent-desktop CLI. Use when an AI agent must see or act on a desktop GUI: click buttons, fill forms, read UI state, navigate menus, toggle checkboxes, scroll, drag, type text, press shortcuts, take screenshots, manage windows, use the clipboard, launch or close apps, read notifications. Triggers on: "click button", "fill form", "open app", "read UI", "computer use", "operate desktop", "accessibility tree", "snapshot app", "type into field", "navigate menu", "toggle checkbox", "take screenshot", "desktop automation", "agent-desktop", or any desktop GUI task on macOS, Windows or Linux.

agent-desktop

agent-desktop is a CLI that lets an AI agent observe and operate desktop apps through the OS accessibility tree. It is a tool, not an agent. Every command prints one JSON envelope (ok, data or error). The observe, act and verify loop runs in you.

Shell syntax

Examples use a POSIX shell. In PowerShell, quote every ref ('@s8f3k2p9:e1'), because a bare @token is the splatting operator. Use $env:NAME = 'value' instead of export, and | ConvertFrom-Json instead of $(...) and jq. The Windows skill has the PowerShell forms.

First run

  1. Run agent-desktop status. It reports the platform, permissions and supported_surfaces.
  2. Run agent-desktop skills get platform. It loads the skill for the OS the binary runs on (macOS, Windows or Linux).
  3. For flags and syntax, run agent-desktop <command> --help. This skill does not repeat flag lists.

The loop

Use find when you know the role or exact name. Otherwise map the app first and drill into one region.

agent-desktop snapshot --skeleton --app "Notes" -i --compact   # shallow map, children_count on cut branches
agent-desktop snapshot --root @s8f3k2p9:e3 -i --compact        # drill into one region
agent-desktop click @s8f3k2p9:e12                              # act on a qualified ref
agent-desktop snapshot --root @s8f3k2p9:e3 -i --compact        # verify: re-read the same region
  • A small app needs no skeleton. Take a full snapshot -i.
  • Never skeleton a surface (--surface menu, sheet, alert). A surface is already focused.
  • An action that opens a menu, sheet or alert lists it in data.surfaces. Target that overlay next.
  • After an async step, use wait (see commands-system.md). A fixed sleep is a race.

Refs

Read the whole SKILL.md on GitHub

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