Refd vs ZoningVerdict

In-depth architectural comparison of the Refd and ZoningVerdict 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 Refd when:

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

Explore Refd Details

Z

Choose ZoningVerdict when:

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

Explore ZoningVerdict Details

Feature & Specification Comparison

Specification	Refd Research	Z ZoningVerdict Research
Summary	Read AI search visibility, competitors, citations, prompts, and answer evidence from refd.	Human-reviewed zoning answers with ordinance citations for covered US municipalities.
Category & Scope	Research	Research
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": {
    "refd": {
      "url": "https://api.refd.ai/mcp"
    }
  }
}

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

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