Hibp runs on your own machine — the client starts it, so there is no endpoint to ping. 70 installs a week from npm. Last commit 14 Oct 2026.
A Model Context Protocol (MCP) server for the Have I Been Pwned (HIBP) API
Nothing serious here today
Today is the operative word: we check Hibp every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add hibp -e 'HIBP_API_KEY=<HIBP_API_KEY>' -e 'HIBP_SUBSCRIPTION_PLAN=<HIBP_SUBSCRIPTION_PLAN>' -- npx -y @darrenjrobinson/hibp-mcp{
"mcpServers": {
"hibp": {
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/hibp-mcp"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}[mcp_servers.hibp]
command = "npx"
args = ["-y", "@darrenjrobinson/hibp-mcp"]
env = { HIBP_API_KEY = "<HIBP_API_KEY>", HIBP_SUBSCRIPTION_PLAN = "<HIBP_SUBSCRIPTION_PLAN>" }{
"mcpServers": {
"hibp": {
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/hibp-mcp"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}{
"servers": {
"hibp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@darrenjrobinson/hibp-mcp"
],
"env": {
"HIBP_API_KEY": "<HIBP_API_KEY>",
"HIBP_SUBSCRIPTION_PLAN": "<HIBP_SUBSCRIPTION_PLAN>"
}
}
}
}Put your own values in place of
<HIBP_API_KEY> (Your Have I Been Pwned API key from https://haveibeenpwned.com/API/Key), <HIBP_SUBSCRIPTION_PLAN> (Your HIBP API subscription plan (Pwned 1, Pwned 2, Pwned 3, Pwned 4, or Pwned 5)).
The author’s registry entry marks them as required.
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Hibp — questions
Answers built from our own checks of this server.