Chrome Automation MCP

中文版文档：docs/README-zh.md

A Model Context Protocol (MCP) server for browser automation using Playwright to control Chrome browsers.

Installation

npm install -g [email protected]

Requirements:

• Node.js 18.0.0 or higher
• Google Chrome browser

MCP Configuration

Claude Desktop Setup

Edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "chrome-automation": {
      "command": "chrome-automation-mcp-full"
    }
  }
}

Lite Mode (Essential Tools Only)

{
  "mcpServers": {
    "chrome-automation": {
      "command": "chrome-automation-mcp"
    }
  }
}

Available Tools

🚀 Browser Management

• launch_browser - Launch Chrome browser with session management
• connect_browser - Connect to existing Chrome instance
• close_browser - Close browser connection

📍 Navigation & Interaction

• navigate_to - Navigate to URL
• click - Click on elements with smart visibility detection
• type_text - Type text into input fields
• scroll - Scroll page to find hidden elements
• wait_for - Wait for elements (auto-switches to new tabs)

📊 Information Gathering

• read_text - Read text content from page/elements
• get_elements - Get element information and attributes
• screenshot - Take page screenshots
• get_page_info - Get current page information

🖥️ Tab Management

• switch_to_tab - Switch between tabs
• get_tabs - Get information about all open tabs

💻 Code Execution

• run_script - Execute external JavaScript files with browser access
• evaluate - Execute JavaScript in browser context
• set_storage - Set browser storage (cookies, localStorage, etc.)

⚙️ Session Management

• list_sessions - List active browser sessions
• press_key - Press keyboard keys with modifiers
• go_back - Navigate back in browser history

Quick Start

1. Launch Browser

{"tool": "launch_browser", "arguments": {}}

2. Navigate to Website

{"tool": "navigate_to", "arguments": {"url": "https://google.com"}}

3. Take Screenshot

{"tool": "screenshot", "arguments": {"fullPage": true}}

Script Development

Create custom automation scripts:

// my-automation-script.js
const searchQuery = args.query || 'MCP servers';

// Navigate to Google
await page.goto('https://google.com');

// Search
await page.fill('input[name="q"]', searchQuery);
await page.press('input[name="q"]', 'Enter');

// Wait for results
await page.waitForSelector('h3');

// Get all results
const results = await page.$$eval('h3', els => 
  els.map(el => el.textContent)
);

return { 
  query: searchQuery,
  searchResults: results,
  count: results.length
};

Use the script:

{
  "tool": "run_script", 
  "arguments": {
    "scriptPath": "./my-automation-script.js",
    "args": {"query": "playwright automation"}
  }
}

Available in scripts:

• browser - Playwright browser instance
• page - Current page object
• args - Passed arguments

Lite Mode Features

Lite mode includes only essential tools for basic automation:

• Browser management (launch_browser, close_browser)
• Script execution (run_script)
• Storage management (set_storage)

Perfect for lightweight integrations and custom script-based workflows.

Links

• GitHub Repository
• npm Package
• Model Context Protocol
• Playwright Documentation

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