US Code of Federal Regulations vs Vibe Hnindex

In-depth architectural comparison of the US Code of Federal Regulations and Vibe Hnindex 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 US Code of Federal Regulations 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 US Code of Federal Regulations Details

Choose Vibe Hnindex 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 Vibe Hnindex Details

Feature & Specification Comparison

Specification	US Code of Federal Regulations Developer Tools	Vibe Hnindex Developer Tools
Summary	Look up, search, and track changes to the US Code of Federal Regulations (eCFR).	Index source code into a local knowledge base, search with keyword + semantic + hybrid modes.
Category & Scope	Developer Tools	Developer Tools

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": {
    "us-code-of-federal-regulations": {
      "command": "uvx",
      "args": [
        "cfr-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "vibe-hnindex": {
      "command": "npx",
      "args": [
        "-y",
        "vibe-hnindex"
      ]
    }
  }
}

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