Claude's feature for running a task automatically on a recurring cadence — the presenter likens it to telling a coworker "send this report every Monday at 8am." Routines turn a one-off Claude Skills as Codified Company SOPs into an actually autonomous piece of the "AI org" described in Step 3 – Supervised Autonomy (AI Agency CEO Model): the Skill defines what to do, the Routine defines when, without a human needing to kick it off each time.
Apply: Pair a Skill (e.g., a topic-research report) with a Routine so it runs on schedule automatically, rather than being manually triggered.