What are AI Agent Evaluators and Why They Matter

Introduction I recently bought the book Designing Multi-Agent Systems: Principles, Patterns, and Implementation for AI Agents by Victor Dibia. In chapter 10 “Evaluating Multi-Agent Systems” he discusses how to build evaluation frameworks with LLM-as-judge and metrics. This was a new topic for me and wanted to learn more about what Agent Evaluators are and why they matter. This is why I wrot...