CodingBaby-Browser-MCP

What is CodingBaby-Browser-MCP?

CodingBaby-Browser-MCP is a tool that enables AI assistants like Claude 3.7 Sonnet in the Cursor editor to control the Chrome browser for automated tasks. It bridges AI and web browser interaction through a WebSocket‑based communication protocol.

How to use CodingBaby-Browser-MCP?

In Cursor, go to Settings → MCP and add a new global MCP server with the configuration {"mcpServers": {"CodingBaby-Browser-MCP": {"command": "npx", "args": ["@sydneyassistent/codingbaby-browser-mcp"]}}}. Then install the CodingBaby Extension from the Chrome Web Store. Once set up, you can ask Claude 3.7 in Cursor to control your browser, for example: “Use the browser to navigate to https://example.com”.

Key features of CodingBaby-Browser-MCP

• Control Chrome browser programmatically for automated tasks
• Capture screenshots of entire pages or specific areas
• Create, list, select, and close browser tabs
• Type text, press keys, and select form elements
• Execute multiple browser operations in sequence via batch commands
• Adjust browser window size for responsive testing

Use cases of CodingBaby-Browser-MCP

• Automate web navigation and data scraping with AI assistance
• Fill and submit online forms programmatically
• Perform multi‑step workflows such as login and checkout
• Capture screenshots for visual testing or documentation

FAQ from CodingBaby-Browser-MCP

Which AI assistants are supported?

CodingBaby-Browser-MCP works with Claude 3.7 Sonnet in the Cursor editor.

How does CodingBaby-Browser-MCP communicate with Chrome?

It uses a WebSocket connection on port 9876 between the MCP Tool Server (Node.js) and the Chrome Extension.

What are the prerequisites for installation?

You need Node.js v14 or higher, the Chrome browser, and the Cursor editor with Claude 3.7 Sonnet.

What license does CodingBaby-Browser-MCP use?

The project is released under the MIT license.

What should I do if port 9876 is already in use?

The tool will attempt to release the port automatically. Ensure the Chrome extension is properly installed and enabled for connection issues.