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AIAI agentsStory 05

NVIDIA shows how to turn agent failures into regression tests

What changedNVIDIA published a November 4 walkthrough for improving agents using recorded failures rather than generic model rankings. NeMo Compass examines traces, NeMo Eval Author helps create evaluations, and developers change the surrounding agent instructions or code before testing again.

Diagram of an agent-evaluation workflow that turns failures into tests and harness changes.

The useful part

Why it matters

Takeaway: Teams building agents should convert real failures into observable tests and protect held-out cases from the repair loop.

Keep in mind

Good to know

This is a worked tutorial, not proof that one harness change generalizes to every production agent.

Evidence

Primary source

Use NVIDIA NeMo to Turn Agent Failures into Tests and Harness Fixes

Read the complete 5 November 2026 edition