Marketplace Agent Logs — Production API JSON Search for Incident Reconstruction
TL;DR: Optimize log management for reconstruction, not collection volume. A marketplace agent run should leave one correlated sequence of request, model, tool, retry, and outcome events, with elapsed time and usage recorded at their actual boundaries. Choose a system only after a replay exercise proves that a beginner can search structured fields, explain a slow or costly run, and apply retention…
Marketplace agents should record production logs in a structured JSON format for effective incident reconstruction, rather than focusing solely on collecting a large volume of data. The logs should include four key identifiers: request_id for the incoming API call, run_id for the agent loop, step_id for each operation, and parent_step_id for establishing causality between steps.
Each log entry should contain a timestamp, duration, status, and relevant marketplace dimensions like tool name or result count. The schema should be kept simple and focused on essential information, separate from the prompt or tool payloads that may contain sensitive buyer or seller data. This approach ensures that logs remain privacy-friendly and easy to manage, aligning with GDPR guidelines.
To enable efficient incident reconstruction, all events should be emitted by the agent at specific boundaries and stored in a structured format, allowing for easy retrieval and analysis during post-incident reviews.
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