A Dev.to article argues that monitoring AI agent systems should move beyond “log everything and grep later,” describing it as a reactive practice that does not scale in production. The author says effective monitoring requires a live execution view that shows which agents are running at the moment, along with state inspection to see what data individual agents hold during execution. It also calls for failure forensics, such as understanding why a specific agent times out and what inputs it received. In addition, the article emphasizes per-agent performance metrics, including latency, token usage, and error rates, rather than only high-level pipeline outcomes.

As an example, the article presents an “AgentForge” monitoring stack built around structured execution traces, expressed as JSON that records a run identifier, overall status, and per-agent status, latency, and token counts. It also describes a WebSocket dashboard that streams real-time information such as active agents with heartbeat signals, queue depth per agent, error rate using a sliding time window, and run cost derived from token usage and model pricing. Finally, it outlines alert rules that trigger automated actions when error rates exceed a threshold or notify incident systems when pipeline latency exceeds a set limit.