Have I Been Pwned
Check email addresses and domains for data breaches
Search email addresses and domains against the world's most widely used data breach corpus. Have I Been Pwned helps individuals determine whether their accounts have appeared in known breaches and enables organisations to investigate exposure across verified domains.
What you can ask
- Generate a prompt that guides an LLM through triaging a potentially breached account with HIBP MCP tools.
Example path
MCP connector
- Server URL
https://haveibeenpwned.com/mcp- Login
- OAuth
- Protocol
- MCP 2026-07-28
- Instructions
Use resources for public catalogue discovery and tools for parameterized lookups. Authenticated tools require OAuth, and users should read the relevant guide resource before starting domain verification.
Tools
Reads data14
Changes data3
Skills
None in the store listings or on the server
JumpCloud Admin MCP#449