Andrew Ng Names the Agent-Building Discipline Everyone's Been Doing: 'Loop Engineering'

A daily briefing surfaced Andrew Ng putting a name to the iterative craft of agent development, a small vocabulary shift that reflects how agent work is maturing into a discipline.

Andrew Ng has given a name to something agent builders have been doing without a shared vocabulary: "loop engineering." The coinage surfaced in @marcopapa99's July 1 AI briefing, which listed "Andrew Ng Puts a Name on Agent Iteration: Loop Engineering" alongside the day's other headlines. The framing captures a real shift in how practitioners think about building autonomous systems — less prompt-crafting, more designing the iterative loops in which an agent plans, acts, observes, and corrects.

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