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MCP Directory › Data and research › Have I Been Pwned

Open, no loginChecked live on 2026-10-18

Have I Been Pwned MCP server

Check email addresses and domains against known data breaches, pwned passwords, stealer logs.

Can anyone connect?

Open, no login. The server answered the full MCP handshake and tool calls with no credentials at all. Paste the URL and use it.

Listed by its source as: Open, no login.

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MCP URL

https://haveibeenpwned.com/mcp

Add it to Claude

  1. Open claude.ai, go to Settings, then Connectors.
  2. Scroll down and press Add custom connector.
  3. Name it Have I Been Pwned, paste https://haveibeenpwned.com/mcp, press Add.
  4. There is no login step. It is ready.
  5. Start a new chat and ask Claude to use it. A paid Claude plan is required for custom connectors.

Questions

Can anyone connect to the Have I Been Pwned MCP server?

Open, no login. The server answered the full MCP handshake and tool calls with no credentials at all. Paste the URL and use it.

What is the Have I Been Pwned MCP URL?

https://haveibeenpwned.com/mcp

What can Claude do with Have I Been Pwned?

Check email addresses and domains against known data breaches, pwned passwords, stealer logs.

How do I add Have I Been Pwned to Claude?

In claude.ai open Settings, Connectors, Add custom connector, paste the URL and press Connect, then sign in if asked. A paid Claude plan is required.