check_password_prefix

Pack: hibp · Endpoint: https://gateway.pipeworx.io/hibp/mcp

Direct k-anonymity lookup: pass the first 5 hex chars of a SHA-1 password hash, get back all SHA-1 suffixes with their pwned counts. Use this if you’re hashing client-side and only want to send the prefix.

Parameters

Example call

curl -X POST https://gateway.pipeworx.io/hibp/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"check_password_prefix","arguments":{}}}'

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "hibp": {
      "url": "https://gateway.pipeworx.io/hibp/mcp"
    }
  }
}

See Getting Started for client-specific install steps.