Have I Been Pwned
ClaudepartnerCheck email addresses and domains for data breaches
Have I Been Pwned
Search email addresses and domains against the world's most widely used data breach corpus. Have I Been Pwned helps individuals determine whether their accounts have appeared in known breaches and enables organisations to investigate exposure across verified domains. Explore detailed breach information, identify exposed data types, review paste and stealer log exposure, and gain trusted security intelligence to better understand account compromise and cyber risk.
Anthropic’s own published signals, snapshot of August 5, 2026; units undocumented — treat as ordinal.
Over time
Details
Tools(17)
- hibp_list_breaches
- hibp_get_breach
- hibp_get_latest_breach
- hibp_list_data_classes
- hibp_get_pwned_passwords_range
- hibp_get_breached_account
- hibp_get_breached_account_range
- hibp_get_paste_account
- hibp_get_breached_domain
- hibp_list_subscribed_domains
- hibp_get_subscription_status
- hibp_get_stealer_logs_by_email
- hibp_get_stealer_logs_by_website_domain
- hibp_get_stealer_logs_by_email_domain
- hibp_generate_domain_verification_dns_token
- hibp_verify_domain_verification_dns_token
- hibp_send_domain_verification_email
Data from Claude’s public directory API, snapshotted daily by the MCP App Tracker. A listing describes what the directory publishes — not an endorsement.