A Model Context Protocol (MCP) server for the Have I Been Pwned (HIBP) API
Connect Runs on your machine
claude mcp add hibp -e HIBP_API_KEY=<HIBP_API_KEY> -e HIBP_SUBSCRIPTION_PLAN=<HIBP_SUBSCRIPTION_PLAN> -- npx -y @darrenjrobinson/[email protected]
{
"mcpServers": {
"hibp": {
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/[email protected]"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}
{
"mcpServers": {
"hibp": {
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/[email protected]"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}
{
"servers": {
"hibp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/[email protected]"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
HIBP_API_KEYRequired, secret | Your Have I Been Pwned API key from https://haveibeenpwned.com/API/Key |
HIBP_SUBSCRIPTION_PLANRequired | Your HIBP API subscription plan (Pwned 1, Pwned 2, Pwned 3, Pwned 4, or Pwned 5) |
Details
| Package | @darrenjrobinson/[email protected] (NPM, stdio) |
| First published | 14 Oct 2026 |
| Last updated | 14 Oct 2026 |
| Registry name | io.github.darrenjrobinson/hibp |
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