Katzilla MCP Server: Install & Setup

Install Katzilla in Claude Code

Claude Code

claude mcp add katzilla -e KATZILLA_API_KEY=... -- npx -y @katzilla/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "katzilla": {
      "command": "npx",
      "args": [
        "-y",
        "@katzilla/mcp"
      ],
      "env": {
        "KATZILLA_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Katzilla MCP server do?

300+ free public & government data sources behind one API key, for AI agents.

Is the Katzilla MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Katzilla run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Katzilla to Claude Code?

Run: claude mcp add katzilla -e KATZILLA_API_KEY=... -- npx -y @katzilla/mcp

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