Selenium MCP vs Gecko MCP

In-depth architectural comparison of the Selenium MCP and Gecko MCP 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.

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).
• Primary tools included: start_browser, navigate, take_screenshot.

Explore Selenium MCP Details

Choose Gecko 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).
• Primary tools included: list_tabs, open_tab, get_active_tab.

Explore Gecko MCP Details

Feature & Specification Comparison

Specification	Selenium MCP seleniumboot Browser Automation	Gecko MCP Browser Automation
Summary	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.	Control Firefox browsers (Floorp, LibreWolf, Zen, Firefox) from any MCP client.
Category & Scope	Browser Automation

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "seleniumboot-selenium-mcp": {
      "command": "uvx",
      "args": [
        "seleniumboot-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "gecko-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "gecko-mcp"
      ]
    }
  }
}

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