AI Agent Failure Detection and Root Cause Analysis with Strands Evals

📰 AWS Machine Learning

Detect AI agent failures and analyze root causes with Strands Evals, improving diagnosis and automation

intermediate Published 15 Jun 2026
Action Steps
  1. Call the detector functions to diagnose real agent failures using Strands Evals
  2. Interpret the structured output of the detector functions, including categorized failures and confidence scores
  3. Analyze the causal chains linking root causes to downstream symptoms
  4. Apply the fix recommendations, specifying whether changes belong in the system prompt or tool definitions
  5. Integrate detection into the evaluation pipeline for automated diagnosis on every test run
Who Needs to Know This

Machine learning engineers and developers can benefit from this technique to improve the reliability and performance of their AI agents, while data scientists can use it to analyze and understand the causes of failures

Key Insight

💡 Strands Evals can be used to detect AI agent failures and provide actionable insights for improvement

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🚨 Detect AI agent failures with Strands Evals and automate diagnosis 🤖

Key Takeaways

Detect AI agent failures and analyze root causes with Strands Evals, improving diagnosis and automation

Full Article

In this post, we walk you through calling the detector functions to diagnose real agent failures. You learn how to interpret their structured output: categorized failures with confidence scores, causal chains linking root causes to downstream symptoms, and fix recommendations specifying whether a change belongs in your system prompt or tool definitions. You also learn how to integrate detection into your evaluation pipeline for automated diagnosis on every test run.
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