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---
name: computer-use
description: Control a connected desktop
compatibility: "Designed for Vellum personal assistants"
metadata:
emoji: "🖥️"
vellum:
display-name: "Computer Use"
category: "system"
activation-hints:
- "User asks the assistant to click, type, or interact with the desktop GUI directly"
- "User wants control of a desktop app with no CLI or API alternative (games, design tools, visual workflows)"
- "User wants screenshots or visual inspection of what is currently on screen"
avoid-when:
- "Task can be done via a more specific skill (gmail, calendar, contacts, terminal-sessions) or a CLI / API call"
---
This skill provides the computer_use_* action tools for controlling a
connected desktop. CU tools run through the main agent loop via HostCuProxy.
The skill is internally preactivated for conversations with a connected desktop client.
Tools in this skill are proxy tools. Execution is forwarded to a connected
desktop client and is never handled locally by the assistant.