From Black Box to Clear Picture: How to Trace LLM Agents and Find Failures
September 2025

Nir Gazit
Co-Founder and CEO
Debugging multi-step LLM agents is complex without proper visibility. This guide shows how to trace agent execution using observability techniques by capturing prompts, tool calls, retrieval steps, and evaluation metrics to pinpoint failures with precision. Learn what signals to log, how to instrument your pipeline with OpenTelemetry, and how to analyze common failure scenarios. Finally, see how platforms like Traceloop streamline tracing, versioning, and monitoring so you can move from guesswork to clear insights.
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