Gaff Check vs Zillow

In-depth architectural comparison of the Gaff Check and Zillow 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 Gaff Check when:

• You need dedicated capabilities in the Real Estate domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Irish planning application searches, Property Price Register sale data, Radon, zoning, and flood checks.

Explore Gaff Check Details

Choose Zillow when:

• You need dedicated capabilities in the Real Estate domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: zillow_home_values, zillow_rent_prices, zillow_market_snapshot.

Explore Zillow Details

Feature & Specification Comparison

Specification	Gaff Check Real Estate	Zillow Real Estate
Summary	Irish property due diligence for AI agents: planning, sold prices, radon, zoning, flood, BER.	Zillow Research MCP — housing market data from Zillow's public CSV dumps.
Category & Scope	Real Estate	Real Estate
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": {
    "gaff-check": {
      "command": "npx",
      "args": [
        "-y",
        "gaff-check"
      ]
    }
  }
}

{
  "mcpServers": {
    "zillow": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-zillow"
      ]
    }
  }
}

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