Selenium MCP Server

What is Selenium MCP Server?

Selenium MCP Server is a Model Context Protocol (MCP) server for browser automation using Selenium WebDriver. It enables LLMs and teams to automate browsers (Chrome, Firefox, Edge, Safari) via a standard protocol, similar to Playwright MCP.

How to use Selenium MCP Server?

Install globally or use npx, then configure in an MCP client (e.g., Cursor). Run with selenium-mcp-server --browser chrome or via npx selenium-mcp-server@latest. Add a JSON configuration to .cursor/mcp.json or equivalent, specifying the command and arguments.

Key features of Selenium MCP Server

• Multi-browser support (Chrome, Firefox, Edge, Safari)
• Team-friendly: visible browser by default
• MCP-compliant API (navigate, click, type, screenshot, etc.)
• Easy onboarding for teams and CI
• Zero-installation option via npx
• Support for headless and custom browser paths

Use cases of Selenium MCP Server

• Automate web form filling and data extraction
• Take screenshots of web pages for testing or archival
• Run end-to-end browser tests in CI pipelines
• Interact with dynamic content (click, hover, drag, dropdown)
• Generate PDFs of web pages

FAQ from Selenium MCP Server

What are the system requirements?

Node.js 18+ and Java 11+ are required. Browser drivers are automatically managed by WebDriverManager.

How do I run the server without installing?

Use npx selenium-mcp-server@latest --browser chrome. npx automatically downloads and runs the server.

Can I use browsers other than Chrome?

Yes, use the --browser option with firefox, edge, or safari.

How do I share the server with my team?

Publish the npm package to a public or private registry, then team members can install globally or use npx.

What happens if the browser is not found?

Install the browser manually or specify a custom path using --executable-path. Ensure Java is installed and accessible.