The End of Stale Docs: Generate Guides by Running Your App

Documentation usually lags behind the code. You ship a feature, promise yourself you’ll “document it later”, and that “later” rarely comes. The twist with Cursor is that your AI assistant can run the app, exercise a real flow, capture what happens, and then write the documentation for you.

This post explains a repeatable pattern you can use for any project (web app, API, CLI), using a generic TODO app as the running example. Nothing here depends on a specific stack or codebase.