Chrome MCP Secure vs Gecko MCP

In-depth architectural comparison of the Chrome MCP Secure 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 Chrome MCP Secure when:

• You need dedicated capabilities in the Browser Automation domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: COMPLIANCE_LOG_FORMAT, COMPLIANCE_LOG_DIR, SYSLOG_HOST, SYSLOG_PORT.
• Primary tools included: health, navigate, get_tabs.

Explore Chrome MCP Secure 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	Chrome MCP Secure Pantheon-Security Browser Automation	Gecko MCP Browser Automation
Summary	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.	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": {
    "pantheon-security-chrome-mcp-secure": {
      "command": "npx",
      "args": [
        "-y",
        "pantheon-security-chrome-mcp-secure"
      ],
      "env": {
        "COMPLIANCE_LOG_FORMAT": "YOUR_COMPLIANCE_LOG_FORMAT_HERE",
        "COMPLIANCE_LOG_DIR": "YOUR_COMPLIANCE_LOG_DIR_HERE",
        "SYSLOG_HOST": "YOUR_SYSLOG_HOST_HERE",
        "SYSLOG_PORT": "YOUR_SYSLOG_PORT_HERE"
      }
    }
  }
}

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

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