Modelcontextprotocol MCP vs REA

In-depth architectural comparison of the Modelcontextprotocol MCP and REA 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 Modelcontextprotocol MCP when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Modelcontextprotocol MCP Details

Choose REA when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore REA Details

Feature & Specification Comparison

Specification	Modelcontextprotocol MCP Developer Tools	REA Developer Tools
Summary	Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server.	Reverse engineer anything from your terminal or agent with one CLI and MCP server.
Category & Scope	Developer Tools	Developer Tools
Quality signal

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": {
    "mcp-registry-server": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-registry-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "rea": {
      "command": "npx",
      "args": [
        "-y",
        "rea-agents"
      ]
    }
  }
}

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