MCP server · Browser automation

Zen Browser MCP server

Let your AI open tabs, click, fill forms, and take screenshots in your Zen Browser.

This is a small helper that connects your AI assistant to the Zen Browser on your own computer. Once it is set up, you can ask your AI to visit a page, click a button, fill in a form, or grab a screenshot, and it will actually do it in your open Zen window. It is handy for anyone who repeats the same clicks and typing in a browser all day.

What is an MCP server? The 30-second version

On its own, your AI can only chat with you. An MCP server is a small helper program that gives your AI a new skill or a connection to an app, and here it connects your AI to Zen Browser on your machine. So when you ask your AI to do something in Zen, it passes the request to this helper, and the helper talks to your browser for you. You stay in charge: nothing happens until you ask.

What this MCP server does

You ask your AI something like "open my inbox and fill in the search box". The AI sends that request to this helper program running quietly on your computer. The helper talks to Zen Browser over a WebSocket, which is just a live two-way connection. Zen does the actual clicking, typing, or scrolling, and the helper sends the result back to your AI. Your AI then tells you what happened, in plain words, right in the chat.

Flow diagram: you ask your AI “Open my inbox and fill in the search box”, on your own computer the Zen Browser MCP server works with zen Browser, and you get back answers right in your chat.

Click to zoom

What you can do with it

Open a web page in Zen by giving the AI a link
List your open tabs and switch between them
Click buttons, links, and menu items on a page
Fill in text boxes, dropdowns, checkboxes, and radio buttons
Read the text of a page and tell you what it says
Take a screenshot of what is on screen
Press keys like Enter, Tab, or Ctrl+A for you
Run a small piece of JavaScript in the page when you need something custom

Try asking your AI

“Open my Zen browser and go to the company dashboard page”
“Fill in the contact form on this page with my name and email, then submit it”
“Take a screenshot of the current tab and tell me what is on it”
“List all my open tabs and switch to the one with the invoice”
“Scroll down to the pricing section and read it back to me”

What it gives back to you

You get answers in the chat: page titles and text, lists of open tabs, lists of form fields with their labels, and short descriptions of what was clicked or typed. Screenshots come back as images you can look at. If something fails, the AI tells you what went wrong and often what to try next.

Before you start

What you need

Zen Browser installed on your computer
Node.js version 20 or newer
Zen started with remote debugging turned on (the README shows the exact command)
An MCP client such as Claude Code or Cursor

Good to know

This helper can click, type, and submit things in your real browser, so avoid pointing it at accounts or pages where a wrong click could cause trouble.

Install it with your AI

Add Zen Browser MCP server to your AI, no technical skills needed

You don't install anything by hand. You copy one prompt, paste it into an AI that can work on your computer, and it checks, installs and connects the server for you, asking you when it needs something.

Sign in to get the install prompt

Members get a ready-made prompt that lets the Claude desktop app check Zen Browser MCP server, install it and connect it for them, step by step. You don't need any technical skills: you copy, paste and answer a few questions. Your connected AI can also find and install any of the 4,066 MCP servers here for you.