Prompt Guard
Prompt injection defense
TypeScript prompt-security tooling that scans for personally identifiable information and prompt-injection attempts, with OpenAI-assisted analysis.
Category
Languages
Built with
OpenAIVitest
GitHub
Started Last updated
October 2026
Try it
The real Prompt Guard scanner, running in your browser. Nothing you type leaves this page.
3 findings
- medium
email— “jane.doe@example.com” - critical
creditCard— “4111 1111 1111 1111” - medium
phoneNumber— “(555) 867-5309”
Reply to [REDACTED_EMAIL] and charge card [REDACTED_CREDITCARD]. Her phone is [REDACTED_PHONENUMBER].