MCP Mastery
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Writing Effective Evals

Rubrics · Datasets · Judges · Rollouts

If the slice is invisible, the regression is scheduled.

18 chapters

Industry patterns for measuring behavior before production measures you.

4 labs

Offline Python drills for rubrics, pairwise checks, slice metrics, and rollouts.

4 challenges

Python validators for eval harnesses that survive more than one happy path.