How to Use OpenTelemetry and SigNoz to Debug and Monitor AI Agents

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AI agents are difficult to debug because LLM calls are non-deterministic and agent loops can branch unpredictably, making standard log files insufficient for production use. OpenTelemetry (OTel) is an open-source, vendor-neutral observability standard that instruments each phase of an agent's execution as a "span," linking them into a full trace. SigNoz is an open-source APM tool built on ClickHouse that visualizes these traces through a unified dashboard covering metrics, logs, and traces. Developers can run SigNoz locally via the SigNoz Foundry CLI and instrument a Python AI agent using the OpenTelemetry SDK to capture details like latency per step, token usage, API cost, and tool errors. Together, these tools give engineers clear visibility into what happens inside an AI agent during every execution cycle.

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ProgrammingDEV Community ·

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