Fabraix Launches Nyx: Multi-Turn Adversarial Testing Harness for AI Agents

Summary

Fabraix has launched Nyx, an adversarial verification and offensive testing harness designed specifically for AI agents. The product, shared via a Hacker News Show HN post, positions itself as an automated red-teaming tool that conducts multi-turn, adaptive attacks against AI systems to find security gaps before malicious users or attackers do. The tool targets organizations deploying agentic AI workflows that need to validate the safety and robustness of their AI agents under adversarial condit