Nace MCP vs ResultRail by LarryBuildsAI

In-depth architectural comparison of the Nace MCP and ResultRail by LarryBuildsAI 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 Nace MCP when:

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

Explore Nace MCP Details

Choose ResultRail by LarryBuildsAI when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore ResultRail by LarryBuildsAI Details

Feature & Specification Comparison

Specification	Nace MCP Search & Data Extraction	ResultRail by LarryBuildsAI Search & Data Extraction
Summary	Browse, search and fuzzy-match NACE Rev. 2.1 economic activity classification codes.	Five-to-twelve-cent source-attributed public URL and domain result packs for AI agents.
Category & Scope	Search & Data Extraction	Search & Data Extraction

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": {
    "nace-mcp": {
      "command": "npx",
      "args": [
        "nace-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "resultrail-by-larrybuildsai": {
      "url": "https://proofbeforepay.vercel.app/resultrail/mcp"
    }
  }
}

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