Create automated cron jobs that live inside Claude Code plugins. Use this skill whenever setting up scheduled tasks, daily briefs, automated reports, recurring prompts, or any time-based automation that runs claude -p. Also trigger when the user says 'add a cron', 'schedule this', 'run daily', 'automate this', 'daily email', or 'morning brief'. Triggers on: cron, schedule, automate, daily, recurring, launchd, timer.