I Built an Adversarial Eval Framework and Attacked 5 LLMs — Every Single One Failed

TL;DR I built agent-eval, a framework that runs real agentic loops with tool calls against live LLM backends, then evaluates outputs through a three-tier assertion pyramid. I threw 10 adversarial scenarios at 5 models. The best scored 62.5%. The worst scored 34%. Every model failed the same three te