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Have I Been Pwned

Official registry Search and web

Breach intelligence API: email search, domain monitoring, passwords and stealer logs.

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 have-i-been-pwned 'https://haveibeenpwned.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "have-i-been-pwned": {
            "type": "http",
            "url": "https://haveibeenpwned.com/mcp"
        }
    }
}

Frequently asked questions

What is Have I Been Pwned?

Breach intelligence API: email search, domain monitoring, passwords and stealer logs.

How do I install Have I Been Pwned?

It runs as a remote server. In Claude Code: claude mcp add --transport http have-i-been-pwned 'https://haveibeenpwned.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Have I Been Pwned 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 Have I Been Pwned?

It is published by troyhunt. 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.