io.github.mrfentmen/haveibeenpwned-mcp
The Have I Been Pwned breach catalogue: every known data breach, one breach in detail and the
Target client
run in your project directory
claude mcp add haveibeenpwned-mcp -- npx -y @mrfentmen/haveibeenpwned-mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
This listing does not declare its tools. Connect the server and your client will discover them on the handshake.