Practical Loop Engineering: Goals, Loops, and the Discipline of Not Delegating Your Judgment

Addy Osmani details Claude Code's four loop types (agentic, goal-based /goal, time-based /loop, proactive) with concrete syntax examples, verification-skill patterns, and a cautionary story about nearly shipping unreviewed agent-generated PRs. He stresses using a separate verifying sub-agent rather than letting the agent that did the work judge its own output.