In-depth architectural comparison of the Selenium MCP and Chrome MCP Secure MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Selenium MCP
Browser Automation · Local stdio
Quality: 60/100 (Good) | Auth: No auth required
Chrome MCP Secure
Browser Automation · Local stdio
Quality: 48/100 (Fair) | Auth: API Key required
Verdict Summary: Choose Selenium MCP if you need specialized Browser Automation tools running via a local process. Choose Chrome MCP Secure if your workspace requires Browser Automation integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Selenium MCP when:
You need dedicated capabilities in the Browser Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Python MCP server for Selenium WebDriver — 84 tools for browser automation, element interactions, assertions, and self-healing locators, plus codegen for Java TestNG / JUnit 5 / Cucumber / pytest / C NUnit / Playwright and CI pipelines (GitHub Actions / Jenkins / GitLab CI). No ChromeDriver setup needed.
Security-hardened Chrome automation with post-quantum encryption (ML-KEM-768 + ChaCha20-Poly1305), secure credential vault, memory scrubbing, and audit logging. 22 tools for browser automation and secure logins.
Category & Scope
Tools & Capabilities Breakdown
Selenium MCP Tools (85)
start_browser
Start a browser session. Optional — any tool will auto-start Chrome if no browser is open. Use this to choose Firefox, enable headless mode, or set a custom window size.
navigate
Navigate the browser to a URL.
take_screenshot
Take a screenshot and return it as base64.
get_page_source
Return the current page HTML source.
get_page_title
Return the current page title.
get_current_url
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Selenium MCP is categorized under Browser Automation and uses a local stdio subprocess. In contrast, Chrome MCP Secure belongs to Browser Automation using local stdio subprocess. Select Selenium MCP when you need capabilities focused on browser automation and Chrome MCP Secure when you require tools for browser automation.