What is Agent Observability?

This post originally appeared on tokenjam.dev/blog . It's part of a 14-post series on the agentic AI ecosystem. TL;DR Agent observability captures what an agent did (tool calls, token costs, latency, reasoning chains) at detail sufficient to debug and audit behavior in production Traditional logs and metrics aren't enough; you need traces that record the LLM's step-by-step decisions, tool invocations, and outcomes Agents are harder to observe than services because of nondeterminism, deeply neste