Six practical ways to debug agent failures and keep performance from regressing
rdbms · reddit · 2026-07-23
A Reddit post lays out six practical ways to catch and fix agent failures.
It recommends:
- integration and end-to-end tests over fragile mocks,
- independent evaluators instead of self-judging agents,
- golden datasets for extraction, analytics, and RAG systems,
- agent introspection jobs over time,
- trace analysis with observability tools like Phoenix and Langfuse,
- configuration and history tracking to correlate regressions with model or feature changes.
The author says introspection on an order-entry agent cut failures from a little over 100 out of 1,000 cases to 23.
Related event: Six Practical Methods for Tracking and Fixing Agent Regressions(2 posts)→
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