Module 3

Trajectory evals

Agents don't just answer; they act. Learn to grade the full path: tool calls, retrieved context, intermediate decisions, and where a run first went wrong.

4 lessons

  1. 3.1Why the path mattersRight answer, wrong reasons21 min
  2. 3.2Scoring tool callsOrder, arguments, side effects20 min
  3. 3.3Loops, detours & dead endsFinding the first real failure21 min
  4. 3.4End-to-end vs. step-level checksChoosing the right granularity24 min