what actually stops an unattended agent from looping, overspending, or saying "done" when it isn't?

Reddit r/AI_Agents News

Summary

This post discusses common challenges with unattended AI agents, such as looping, overspending, and incorrect task completion, and asks how practitioners handle issues like verification, stall detection, and hard limits in production.

been reading a lot of threads here this week and the same problem keeps showing up. one person's agent hit a 503, found another API key in the repo and burned $40 overnight. someone else's keeps calling the same tool over and over. another said their run completed 60/60 tasks and got 0/60 correct. max_iterations either kills legit long tasks or doesn't catch loops in time, and most people seem to just check in manually, which defeats the point of running unattended. so how are you actually handling these? done verification: how do you confirm the task really finished, not just that the agent said so? stall detection: how do you catch an agent that's making no progress but still returning valid outputs? hard limits: spend, time and tool-call ceilings per run. framework setting, gateway, or your own wrapper? pause, resume, manual cancel: can you stop a run midway and pick it back up? built it yourself or found something that holds up in production?
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An AI agent without a stop policy is just an expensive loop

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