Unbrowser vs Real Browser MCP

In-depth architectural comparison of the Unbrowser and Real Browser 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 Unbrowser 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: Stateful cookies and DOM sessions, Structured BlockMap page output, Stable element references.

Explore Unbrowser Details

Choose Real Browser 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: Controls an existing Chrome session, Preserves active cookies and SSO sessions, Connects through a Chrome extension and localhost WebSocket.

Explore Real Browser MCP Details

Feature & Specification Comparison

Specification	Unbrowser protostatis Browser Automation	Real Browser MCP ofershap Browser Automation
Summary	Lightweight browser MCP server for LLM agents. Runs JavaScript, follows links, fills forms, manages cookies, and returns low-token BlockMaps from a single native binary without Chrome.	MCP server + Chrome extension that gives AI agents control of the user's real browser with existing sessions, logins, and cookies. No headless browser, no re-authentication.
Category & Scope

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": {
    "protostatis-unbrowser": {
      "command": "uvx",
      "args": [
        "pyunbrowser"
      ]
    }
  }
}

{
  "mcpServers": {
    "ofershap-real-browser-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "real-browser-mcp"
      ]
    }
  }
}

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