Cursor Rules Tutorial — How to Write a .cursorrules File That Actually Controls Claude Behavior

Cursor Rules Tutorial - How to Write a.cursorrules File That Actually Controls Claude Behavior Most.cursorrules files don't work. Not because the format is wrong - because the rules are vague, unstructured, and give the AI too much room to interpret. I've written and tested over 50 cursor rules across 20+ production projects. This tutorial walks you through writing a.cursorrules file that actually controls how Claude behaves inside Cursor, step by step. What Is a.cursorrules File? A.cursorrules file sits in the root of your project.