HIBP-MCP

An MCP server enabling AI agents to interact with the Have I Been Pwned API. It provides tools to check if email addresses have been in data breaches, retrieve details about specific breaches, verify if passwords have been exposed, and check for email appearances in pastes.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by darrenjrobinson

You need:Install Node.js (v22.10.0 or higher recommended)Get your HIBP API key from https://haveibeenpwned.com/API/KeyHIBP_API_KEY Your Have I Been Pwned API keyHIBP_SUBSCRIPTION_PLAN Your HIBP API subscription plan (Pwned 1, Pwned 2, Pwned 3, Pwned 4, or Pwned 5)

Vendor documentation

What you can do with it

Check if an email address has been in a data breach
Get details about specific breaches
Check if a password has been exposed in known data breaches
Check if an email address appears in pastes

Source and maintenance

Community listingRegistry 1.1.0

mcp-registry: io.github.darrenjrobinson/hibp@1.1.0 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@darrenjrobinson/hibp-mcp 1.1.0

npm

@darrenjrobinson/hibp-mcp package definition

{
  "version": "1.1.0",
  "transport": "stdio",
  "identifier": "@darrenjrobinson/hibp-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "HIBP_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "Your Have I Been Pwned API key from https://haveibeenpwned.com/API/Key"
    },
    {
      "name": "HIBP_SUBSCRIPTION_PLAN",
      "format": "string",
      "isRequired": true,
      "description": "Your HIBP API subscription plan (Pwned 1, Pwned 2, Pwned 3, Pwned 4, or Pwned 5)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "hibp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@darrenjrobinson/hibp-mcp@1.1.0"
      ],
      "env": {
        "HIBP_API_KEY": "<YOUR_HIBP_API_KEY>",
        "HIBP_SUBSCRIPTION_PLAN": "<YOUR_HIBP_SUBSCRIPTION_PLAN>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "hibp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@darrenjrobinson/hibp-mcp@1.1.0"
      ],
      "env": {
        "HIBP_API_KEY": "<YOUR_HIBP_API_KEY>",
        "HIBP_SUBSCRIPTION_PLAN": "<YOUR_HIBP_SUBSCRIPTION_PLAN>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "hibp-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@darrenjrobinson/hibp-mcp@1.1.0"
      ],
      "env": {
        "HIBP_API_KEY": "<YOUR_HIBP_API_KEY>",
        "HIBP_SUBSCRIPTION_PLAN": "<YOUR_HIBP_SUBSCRIPTION_PLAN>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "hibp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@darrenjrobinson/hibp-mcp@1.1.0"
      ],
      "env": {
        "HIBP_API_KEY": "<YOUR_HIBP_API_KEY>",
        "HIBP_SUBSCRIPTION_PLAN": "<YOUR_HIBP_SUBSCRIPTION_PLAN>"
      }
    }
  }
}

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