Playwright MCP Chrome Extension

Introduction

The Playwright MCP Chrome Extension allows you to connect to pages in your existing browser and leverage the state of your default user profile. This means the AI assistant can interact with websites where you're already logged in, using your existing cookies, sessions, and browser state, providing a seamless experience without requiring separate authentication or setup.

Prerequisites

Chrome/Edge/Chromium browser

Installation Steps

Download the Extension

Download the latest Chrome extension from GitHub:

Download link: https://github.com/microsoft/playwright-mcp/releases

Load Chrome Extension

Open Chrome and navigate to chrome://extensions/
Enable "Developer mode" (toggle in the top right corner)
Click "Load unpacked" and select the extension directory

Configure Playwright MCP server

Configure Playwright MCP server to connect to the browser using the extension by passing the --extension option when running the MCP server:

{
  "mcpServers": {
    "playwright-extension": {
      "command": "npx",
      "args": [
        "@playwright/mcp@latest",
        "--extension"
      ]
    }
  }
}

Usage

Browser Tab Selection

When the LLM interacts with the browser for the first time, it will load a page where you can select which browser tab the LLM will connect to. This allows you to control which specific page the AI assistant will interact with during the session.

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