Agent Loops Explained: The Simple Pattern Behind Useful AI Agents

Wed, 24 Jun 2026 00:00:00 +0000

Every few months, AI gets a new phrase that suddenly shows up everywhere.

Lately, that phrase is agent loop.

You will see people describe agent loops as the future of software, the thing that unlocks autonomy, or the missing ingredient behind useful AI agents. The idea is much less exotic than that.

An agent loop is a repeating cycle:

flowchart LR
 Think[Think] --> Act[Act]
 Act --> Observe[Observe]
 Observe --> Think

Think. Act. Observe. Repeat.

Agent-Loop on Engineering Notes

Agent Loops Explained: The Simple Pattern Behind Useful AI Agents