mcp server
Have I Been Pwned
Breach intelligence API: email search, domain monitoring, passwords and stealer logs.
Description as published by the maintainer. Source
- version 1.0.0
- active
- retrieval
active — Registry entry last updated 2026-07-22. Dashed tags are derived by ZBS Index from the published description, not stated by the maintainer.
What this server can do
17 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.
hibp_generate_domain_verification_dns_token(domain, response_format)- Generate the TXT record value required to verify domain control via DNS. Requires an authenticated subscription with domain-verification access. Required: domain.
hibp_get_breach(name, response_format)- Look up a single public HIBP breach by its canonical breach name, such as Adobe. Required: name.
hibp_get_breached_account(limit, domain, offset, account, responseMode, response_format, includeUnverified)- Search HIBP for breaches affecting a single email address. This tool requires an OAuth bearer token. Required: account.
hibp_get_breached_account_range(limit, offset, prefix, response_format)- Query the authenticated HIBP k-anonymity breached-account range endpoint with the first 6 characters of a SHA-1 email hash. Required: prefix.
hibp_get_breached_domain(limit, domain, offset, response_format)- Return breached aliases for a verified domain. This tool requires an authorized subscription via OAuth bearer token. Required: domain.
hibp_get_latest_breach(response_format)- Return the most recently added public breach currently loaded into HIBP.
hibp_get_paste_account(limit, offset, account, response_format)- Search for public pastes containing an email address. This tool requires an OAuth bearer token. Required: account.
hibp_get_pwned_passwords_range(mode, limit, offset, prefix, addPadding, response_format)- Query the public Pwned Passwords k-anonymity API with a 5-character SHA-1 or NTLM prefix and return matching suffixes with prevalence counts. Required: prefix.
hibp_get_stealer_logs_by_email(email, limit, offset, response_format)- Return website domains observed in stealer logs for an email address. Requires an authenticated subscription with stealer-log access. Required: email.
hibp_get_stealer_logs_by_email_domain(limit, domain, offset, response_format)- Return email aliases and associated website domains observed in stealer logs for an email domain. Requires an authenticated subscription with stealer-log access. Required: domain.
hibp_get_stealer_logs_by_website_domain(limit, domain, offset, response_format)- Return email addresses observed in stealer logs for a website domain. Requires an authenticated subscription with stealer-log access. Required: domain.
hibp_get_subscription_status(response_format)- Return the current subscription details and feature flags for the authenticated OAuth-linked HIBP subscription.
hibp_list_breaches(limit, domain, offset, isSpamList, response_format, includeUnverified)- List public HIBP breaches, optionally filtered by domain, spam-list flag, and verification status.
hibp_list_data_classes(response_format)- List the data classes used across public HIBP breach models, such as email addresses or passwords.
hibp_list_subscribed_domains(limit, offset, response_format)- List the domains associated with the authenticated HIBP subscription.
hibp_send_domain_verification_email(domain, emailAlias, response_format)- Send a domain verification email to an approved alias such as admin or security. Requires an authenticated subscription with domain-verification access. Required: domain, emailAlias.
hibp_verify_domain_verification_dns_token(domain, response_format)- Complete domain verification by checking the expected HIBP TXT record on the target domain. Requires an authenticated subscription with domain-verification access. Required: domain.
Last successful function declaration observed on . Source: https://haveibeenpwned.com/mcp. We list what the server declared; we do not call any of these functions.
Endpoint status observed on . Source: https://haveibeenpwned.com/mcp.
Signals
These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.
| Signal | Value | What it measures | Window | Observed | Source |
|---|---|---|---|---|---|
| Latest published version | 1.0.0 | Latest version string the maintainer published to the registry. | as of fetch | Model Context Protocol | |
| Registry record last updated | 2026-07-22 | When the registry record was last updated by its maintainer. | point in time | Model Context Protocol | |
| First listed in the MCP Registry | 2026-07-22 | Date this server was first published to the official MCP Registry. Not a usage or quality measure. | point in time | Model Context Protocol | |
| mcp tools declared | 17 tools | Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. | as of probe | haveibeenpwned.com | |
| mcp endpoint status | ok | The server listed 17 functions when asked. | as of probe | haveibeenpwned.com |
Where to get it
This record as data
Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.
GET /api/v1/entries/mcp_server.json