Agent ATO: Visualizing Agent Interaction Timelines from Logs

• URL: http://arxiv.org/abs/2609.08301v1
• Date: Tue, 08 Sep 2026 06:22:44 GMT
• Title: Agent ATO: Visualizing Agent Interaction Timelines from Logs
• Abstract summary: Agent ATO is a tool for visualizing AI coding agent interaction timelines from console logs.<n>In addition to an all-interaction timeline, Agent ATO provides filtered timelines that emphasize file discovery, file reading, file editing, and execution.
• Score: 1.5639957559514246
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: AI coding agents are becoming part of developers' workflows, but their behavior is difficult to understand from final code changes alone. During a task, agents interact with software repositories through sequences of actions such as searching for files, reading code, editing programs, and running tests or build commands. These interactions, together with token usage, are often recorded in console logs, but raw logs are difficult for developers to inspect. In this paper, we propose Agent ATO (Agentic Trajectory Observer), a tool for visualizing AI coding agent interaction timelines from console logs. Agent ATO extracts agent interactions, classifies them by command or tool type, and visualizes them as timelines. In addition to an all-interaction timeline, Agent ATO provides filtered timelines that emphasize file discovery, file reading, file editing, and execution while preserving surrounding context. We illustrate how Agent ATO may help developers inspect and compare agent actions using selected runs from two repair tasks. Future work will apply Agent ATO to more agents, tasks, and development environments, and will evaluate whether it reduces the effort needed to compare trajectories.

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