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Rat Radar

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Website

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).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http rat-radar 'https://rat-radar.github-a18.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "rat-radar": {
            "type": "http",
            "url": "https://rat-radar.github-a18.workers.dev/mcp"
        }
    }
}

Frequently asked questions

What is Rat Radar?

Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key.

How do I install Rat Radar?

It runs as a remote server. In Claude Code: claude mcp add --transport http rat-radar 'https://rat-radar.github-a18.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Rat Radar need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Rat Radar?

It is published by tech.ratlabs. 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.