Vercel Harbor framework builds end-to-end agent evals

This article explains how to build end-to-end evaluations (evals) to test AI agents and the software they use, such as APIs and CLIs. It outlines a practical framework using the Harbor testing tool, detailing a step-by-step process to set goals, define metrics like Pass^k, design task sets, run trials, and analyze agent traces to fix specific failures. Open article →