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Agent Loop
AI/dictionary/agent-loop
Definition
The plan, act, observe cycle an agent runs: decide what to do, do it (usually by calling a tool), read the result, and decide the next step.
Posts that use this term
- Observability: what a production AI system actually logs
Closing the AI Engineering series. Tracing prompts and tool calls, tracking spend and latency, and catching failures that don't throw an error.
- The agent loop: plan, act, observe
Most agent failures look the same: stuck calling the same tool forever. The plan-act-observe loop, why it gets stuck, and the fixes that actually work.