Building a Shopify app with Claude Code — spec-driven development and pricing design

This is part 3 of a series on building MetaBulkify , a Shopify app for bulk editing metaobjects via CSV. Part 1 : Excel data corruption and GID/handle resolution Part 2 : Shopify platform traps (scopes, throttling, dev store billing) This post is about two things: how I build software as a solo developer with AI, and how I designed pricing to let users try the app properly before committing. How I actually build things I have a day job. I code side projects on evenings and weekends. Time is the