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Stop an AI Agent Stuck in a Tool-Call Loop

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AI & Agents intermediate 7 min read $0.01 Updated 2026-10-19

Why agents loop (unhelpful errors, missing progress signals, ambiguous goals), how to detect repeated calls and no-progress turns, and the guardrails that stop them: step, token and cost budgets, duplicate-call detection, error escalation and human handoff.

The agent calls the same tool again and again, burning tokens and money while making no progress. Detect the loop, understand why the model repeats, and add hard stops that cannot be argued with.

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#agents#loops#tool-calls#guardrails#cost-control

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