Looking at the name and description, this is about conversion rate optimization for paywall upgrade flows. You'd use this when you're trying to get more free users to convert to paid plans or existing customers to upgrade tiers. The focus is on the paywall touchpoint specifically, so it's likely got prompts or frameworks for testing copy, pricing presentation, feature comparison tables, and timing strategies. Useful if you're running experiments on subscription upgrade pages and need structured guidance on what elements to test and how to frame value propositions. It's narrowly scoped to that one critical conversion moment rather than broader marketing optimization.
npx skills add https://github.com/alirezarezvani/claude-skills --skill paywall-upgrade-cro