How to Build an Agent Eval Set from Production Failures (Anthropic's Method)
When your AI agent fails in production, you have a choice: fix the immediate problem and move on, or turn that failure into a permanent test case that protects you forever. Anthropic’s Applied AI team hosted a live webinar on July 14, 2026 — “Evals for AI Agents: How Product Builders Get the Most Out of Every New Model” — covering exactly how to do the latter. The methodology they presented is practical, scalable, and specifically designed for the multi-step, tool-using agents that teams are building in 2026. ...