Run your Substack growth loop from the command line — publish, schedule, engage, and measure with cross-table... Trigger phrases: `post a substack note`, `schedule a week of substack notes`, `find substack swap partners`, `which of my notes drove subs`, `what's my engagement reciprocity`, `voice-match a substack note`, `best time to post on substack`, `use substack`, `run substack`.
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SKILL.md / Manifest
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