Don't build your own harness: lessons from building Paywalls AI Editor
RevenueCat recounts building an AI editor for its remotely configurable paywall product. Its original agent generated JSON component trees and technically completed tasks, but output quality lagged far behind what Claude Code with a general-purpose harness produced in one shot. The post reflects on the limits of a self-built agent harness and the shift toward reusing existing ones.
What this means for indie developers：If you're adding AI-generated UI to your product, reuse a mature agent harness instead of building your own, and focus effort on data structures and quality checks.