Evidence and audit

Agent trace

A record of one agent run, made of spans for model calls, tool calls, handoffs and other steps.

An agent trace records one end-to-end run of an agent as a set of spans, each covering an operation with a start and end time, such as a model call, a tool call, a handoff or a guardrail check. OpenTelemetry's generative AI conventions, still in development, define spans for invoking agents and workflows, planning and executing tools, and make capture of message content opt-in. Putting the trace identifier on the resulting payment and case record lets one search show what happened.

Agent Minute explains this term on 4 March 2027.

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