Search billions of breach records by email, phone, username, IP, or password hash. Results in milliseconds.
3 free searches · no credit card required
Why leaksear.ch
Security professionals and privacy-conscious individuals trust our search engine to surface exposures faster than anyone else.
OpenSearch-powered engine searches billions of records in milliseconds. Results before you blink.
We never log your search queries beyond your own history. Your threat intel stays private.
Hundreds of indexed breach datasets spanning over a decade of publicly known data exposures.
New breaches are indexed as they surface. Our database never stops growing.
Full REST API with MCP integration. Build breach checks into your security workflows.
Search by email, username, phone, IP, password hash, domain, and more across every dataset.
Indexed Breaches
Continuously growing collection of breach datasets spanning over a decade. Every record searchable, every field indexed.
Pricing
Start with 3 free searches. Upgrade when you need more.
Try it out
For regular users
Top up your balance
Integrations
Connect leaksear.ch to Claude, Cursor, and other MCP-compatible clients. One command, full API access from your AI assistant.
Search breaches conversationally. Ask Claude to check emails, unlock results, and review exposure.
Integrate breach checks into your development workflow. One command to set up.
FAQ
Everything you need to know about leaksear.ch.
Get Started
Create a free account and start searching. No credit card required. Your first 3 searches are on us.
Tools stay in sync with our API automatically. No manual updates or rebuilds needed.
ONE-LINER INSTALL
curl -fsSL https://leaksear.ch/api/mcp/install.sh | bashInstalls a single Python script, no packages to download.
View setup guide