Agent Loop

You might say

After a check fails, should the AI continue editing, stop to ask me, or end the task?

A runtime mechanism that repeatedly calls AI and tools, then uses check results to continue, pause, or stopWhile fixing horizontal overflow in mobile navigation, the first failed check can start another round. A second identical failure or a change to shared styles pauses for confirmation. The task ends only after the build and 390px page check both pass.

Know first

ReAct Stateless Request

Agentic Loop

When does a mobile navigation fix continue, pause, or stop?

Agent runtimeRound 1 · limit: 2 attempts for the same failureContinue

Tool permission: project filesHigh-risk actions require confirmation

First check fails

$ check mobile-nav
✗ The page still scrolls horizontally

Continue after an initial failure, pause at a limit or approval boundary, and stop after acceptance checks pass.

How the application decides whether to run another round

Continue after an initial failure: If the failure is new and attempts remain, the application passes the check result into another round.

Pause at a limit or approval boundary: Two identical failures or a proposed shared-style change pauses the loop with its evidence.

Stop after real checks pass: The task ends only when the build passes and the 390px page no longer overflows.

Quick checkChoose the best answer

An agent tries to fix mobile navigation, but the same horizontal-overflow check fails twice. The rule allows two attempts for the same failure. What should happen next?

Mark the task complete because the agent already tried twiceKeep editing automatically until the check passes, with no further limitPause, preserve both check results, and ask before expanding the change scope

You can say this to an AI Agent

Fix the mobile navigation overflow. After each change, run the build and inspect the page at 390px. Allow at most two attempts for the same failure and pause before changing shared navigation styles. Finish only when both checks pass, and report why each round continued, paused, or completed.

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1ReAct→2Tool Calling→3Rate Limit→4Token Usage & Cost→

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