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Have I Been Pwned

R0· no sign-in

Breach intelligence API: email search, domain monitoring, passwords and stealer logs.

v1.0.0 · active · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality100good
Trust74of 100
Uptime, 30 days100%
Latency p50164 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "hibp": {
      "type": "http",
      "url": "https://haveibeenpwned.com/mcp"
    }
  }
}
claude mcp add --transport http hibp https://haveibeenpwned.com/mcp
[mcp_servers.hibp]
url = "https://haveibeenpwned.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "hibp": {
      "type": "remote",
      "url": "https://haveibeenpwned.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "hibp": {
      "type": "http",
      "url": "https://haveibeenpwned.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=hibp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vaGF2ZWliZWVucHduZWQuY29tL21jcCJ9"
}
{
  "servers": {
    "hibp": {
      "type": "http",
      "url": "https://haveibeenpwned.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "hibp": {
      "httpUrl": "https://haveibeenpwned.com/mcp"
    }
  }
}
extensions:
  "hibp":
    enabled: true
    name: "hibp"
    type: streamable_http
    uri: "https://haveibeenpwned.com/mcp"
    timeout: 300

Quality 100 / 100good

protocol100 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • pass
    protocol.list_ttltool list is cacheable (ttlMs 3600000)
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations17 of 17 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 4,010 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

17 tools, about 4,010 tokens to load them all · tool set 3a9ea3b4dd00 · checked 2026-10-20 11:08 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 74 / 100

no-repository
provenance35
liveness100
freshness85
hygiene80

+reachable +uptime-100% ~updated-90d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://haveibeenpwned.com/mcp streamable-httpnoneyes100%164 ms2026-07-282026-10-20

Tools (17)

hibp_generate_domain_verification_dns_tokenGenerate the TXT record value required to verify domain control via DNS, creating or reusing the private HIBP domain-verification records needed for the request. Requires an authenticated subscription with domain-verification access.
hibp_get_breachread-onlyLook up a single public HIBP breach by its canonical breach name, such as Adobe.
hibp_get_breached_accountread-onlySearch HIBP for breaches affecting a single email address. Requires an OAuth bearer token linked to an active HIBP API subscription; use domain and verification filters to refine the result.
hibp_get_breached_account_rangeread-onlyQuery the authenticated HIBP k-anonymity breached-account range endpoint with the first 6 characters of a SHA-1 email hash. Requires a subscription with k-anonymity access; compare each returned suffix with the remaining hash characters locally because a prefix alone cannot identify an account.
hibp_get_breached_domainread-onlyReturn breached aliases for a verified domain. This tool requires an authorized subscription via OAuth bearer token.
hibp_get_latest_breachread-onlyReturn the most recently added public breach currently loaded into HIBP.
hibp_get_paste_accountread-onlySearch for public pastes containing a single email address. Requires an OAuth bearer token linked to an active HIBP API subscription; run this separately from breached-account lookup.
hibp_get_pwned_passwords_rangeread-onlyQuery the public Pwned Passwords k-anonymity API with a 5-character SHA-1 or NTLM prefix and return matching suffixes with prevalence counts.
hibp_get_stealer_logs_by_emailread-onlyReturn website domains historically observed in stealer logs for an email address. Requires an OAuth-linked active subscription with the stealer-log feature; results do not establish current account access.
hibp_get_stealer_logs_by_email_domainread-onlyReturn email aliases and associated website domains historically observed in stealer logs for an email domain. Requires an OAuth-linked active subscription with the stealer-log feature; results do not establish current account access.
hibp_get_stealer_logs_by_website_domainread-onlyReturn email addresses historically observed in stealer logs for a website domain. Requires an OAuth-linked active subscription with the stealer-log feature; results do not establish current account access.
hibp_get_subscription_statusread-onlyReturn the current plan, quotas, rate limits, expiry, and feature flags for the active HIBP API subscription linked to the authenticated OAuth connection. Use it to confirm access before feature-dependent lookups.
hibp_list_breachesread-onlyList public HIBP breaches, optionally filtered by domain, spam-list flag, and verification status.
hibp_list_data_classesread-onlyList the data classes used across public HIBP breach models, such as email addresses or passwords.
hibp_list_subscribed_domainsread-onlyList the domains associated with the authenticated HIBP subscription.
hibp_send_domain_verification_emailSend a domain verification email to an approved alias such as admin or security. Requires an authenticated subscription with domain-verification access.
hibp_verify_domain_verification_dns_tokenComplete domain verification by checking the expected HIBP TXT record on the target domain. Requires an authenticated subscription with domain-verification access.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.troyhunt/hibp",
  "icons": [
    {
      "src": "https://haveibeenpwned.com/favicon-96x96.png",
      "sizes": [
        "96x96"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "Have I Been Pwned",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://haveibeenpwned.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "description": "Breach intelligence API: email search, domain monitoring, passwords and stealer logs."
}