Show HN: SentryGuard – detect Agentjacking prompt injection in Sentry events

Category: security

Tags: security, prompt-injection, sentry

Score: 6.3/10 (Innovation: 6, Technical: 5, Documentation: 8, Utility: 6)

SentryGuard is a CLI tool that scans Sentry error events for Agentjacking prompt injection attacks, protecting AI coding agents from malicious instructions embedded in error messages. It provides detection patterns, sanitization, and CI/CD integration, addressing a novel security concern in the AI-assisted development workflow.

Target audience: backend devs, devops, security engineers

Repository: https://github.com/can995835646-byte/SentryGuard · Python · MIT

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