Computer Use

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Summary

Gives Claude direct control over your computer through screen capture, mouse clicks, and keyboard input using the nut.js automation library. You can ask it to change desktop backgrounds, navigate websites, fill forms, or interact with any GUI application. Works across Claude Desktop, Cursor, and Cline with simple npx installation. The creator rightfully warns this is like giving a toddler your computer since models make mistakes and are vulnerable to prompt injection. Best used with small resolutions like 720p and the Rango browser extension for more reliable keyboard navigation over coordinate clicking.

Install to Claude Code

verified

claude mcp add computer-use-mcp -- npx -y computer-use-mcp

Run in your terminal. Replace YOUR_* placeholders with real values; add --scope user to install for every project.

Review the command, arguments, and environment values before installing — MCP servers run with your local permissions.

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Tools

Verified live against the running server on Jun 11, 2026.

verified live1 tools

computerUse a mouse and keyboard to interact with a computer, and take screenshots. * This is an interface to a desktop GUI. You do not have access to a terminal or applications menu. You must click on desktop icons to start applications. * Always prefer using keyboard shortcuts rathe...3 params

Use a mouse and keyboard to interact with a computer, and take screenshots. * This is an interface to a desktop GUI. You do not have access to a terminal or applications menu. You must click on desktop icons to start applications. * Always prefer using keyboard shortcuts rathe...

Parameters* required

action*string

The action to perform. The available actions are: * key: Press a key or key-combination on the keyboard. * type: Type a string of text on the keyboard. * get_cursor_position: Get the current (x, y)...one of key · type · mouse_move · left_click · left_click_drag · right_click

coordinatearray

(x, y): The x (pixels from the left edge) and y (pixels from the top edge) coordinates

textstring

Text to type or key command to execute

computer-use-mcp

💻 A Model Context Protocol server for Claude to control your computer. This is very similar to computer use, but easy to set up and use locally.

Here's Claude Haiku 4.5 changing my desktop background (4x speed):

https://github.com/user-attachments/assets/cd0bc190-52c4-49db-b3bc-4b8a74544789

[!WARNING] At time of writing, models make frequent mistakes and are vulnerable to prompt injections. As this MCP server gives the model complete control of your computer, this could do a lot of damage. You should therefore treat this like giving a hyperactive toddler access to your computer - you probably want to supervise it closely, and consider only doing this in a sandboxed user account.

Installation

Follow the instructions on install-mcp, which generates the right config for your MCP client (Claude Code, Claude Desktop, Cursor, Cline, VS Code, and more).

Tips

This should just work out of the box.

However, to get best results:

Use a model good at computer use - I recommend the latest Claude models.
Use a small, common resolution - 720p works particularly well. On macOS, you can use displayoverride-mac to do this. If you can't use a different resolution, try zooming in to active windows.
Install and enable the Rango browser extension. This enables keyboard navigation for websites, which is far more reliable than Claude trying to click coordinates. You can bump up the font size setting in Rango to make the hints more visible.