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io.github.codeislaw101/katzilla

Official registry Government and legal

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

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @katzilla/mcp
Claude Code 
claude mcp add katzilla -e 'KATZILLA_API_KEY=<your katzilla_api_key>' -- npx -y @katzilla/mcp@0.1.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "katzilla": {
            "command": "npx",
            "args": [
                "-y",
                "@katzilla/mcp@0.1.1"
            ],
            "env": {
                "KATZILLA_API_KEY": "<your katzilla_api_key>"
            }
        }
    }
}

Environment variables

  • KATZILLA_API_KEY required secret Katzilla API key (get one free at https://katzilla.dev/dashboard)

Frequently asked questions

What is io.github.codeislaw101/katzilla?

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

How do I install io.github.codeislaw101/katzilla?

It runs on your machine. In Claude Code: claude mcp add katzilla -e 'KATZILLA_API_KEY=<your katzilla_api_key>' -- npx -y @katzilla/mcp@0.1.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.codeislaw101/katzilla need an API key?

Yes. It expects KATZILLA_API_KEY, which you set in its configuration.

Is io.github.codeislaw101/katzilla open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.codeislaw101/katzilla?

It is published by codeislaw101. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.