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

📰 Dev.to · Olivia Craft

Learn to write a .cursorrules file to control Claude behavior with this step-by-step tutorial

intermediate Published 24 Apr 2026
Action Steps
  1. Create a new .cursorrules file using a text editor
  2. Define rules using the cursorrules syntax to control Claude's behavior
  3. Test the rules by running Claude with the .cursorrules file
  4. Refine the rules based on the test results to achieve the desired behavior
  5. Use the .cursorrules file to deploy Claude in a production environment
Who Needs to Know This

Developers and AI engineers can benefit from this tutorial to customize Claude's behavior for specific use cases

Key Insight

💡 A well-written .cursorrules file can significantly customize and improve Claude's behavior for specific applications

Share This
🤖 Control Claude's behavior with a .cursorrules file! 📝 Learn how to write one with this tutorial

Key Takeaways

Learn to write a .cursorrules file to control Claude behavior with this step-by-step tutorial

Full Article

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

URL Source: https://dev.to/olivia_craft/cursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5

Published Time: 2026-04-24T11:55:43Z

Markdown Content:
# Cursor Rules Tutorial — How to Write a .cursorrules File That Actually Controls Claude Behavior - DEV Community
[Skip to content](https://dev.to/olivia_craft/cursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5#main-content)

[![Image 1: DEV Community](https://media2.dev.to/dynamic/image/quality=100/https://dev-to-uploads.s3.amazonaws.com/uploads/logos/resized_logo_UQww2soKuUsjaOGNB38o.png)](https://dev.to/)

[Powered by Algolia](https://www.algolia.com/developers/?utm_source=devto&utm_medium=referral)

[Log in](https://dev.to/enter?signup_subforem=1)[Create account](https://dev.to/enter?signup_subforem=1&state=new-user)

## DEV Community

![Image 2](https://assets.dev.to/assets/heart-plus-active-9ea3b22f2bc311281db911d416166c5f430636e76b15cd5df6b3b841d830eefa.svg)0 Add reaction

![Image 3](https://assets.dev.to/assets/sparkle-heart-5f9bee3767e18deb1bb725290cb151c25234768a0e9a2bd39370c382d02920cf.svg)0 Like ![Image 4](https://assets.dev.to/assets/multi-unicorn-b44d6f8c23cdd00964192bedc38af3e82463978aa611b4365bd33a0f1f4f3e97.svg)0 Unicorn ![Image 5](https://assets.dev.to/assets/exploding-head-daceb38d627e6ae9b730f36a1e390fca556a4289d5a41abb2c35068ad3e2c4b5.svg)0 Exploding Head ![Image 6](https://assets.dev.to/assets/raised-hands-74b2099fd66a39f2d7eed9305ee0f4553df0eb7b4f11b01b6b1b499973048fe5.svg)0 Raised Hands ![Image 7](https://assets.dev.to/assets/fire-f60e7a582391810302117f987b22a8ef04a2fe0df7e3258a5f49332df1cec71e.svg)0 Fire

0 Jump to Comments 0 Save Boost

Copy link

Copied to Clipboard

[Share to X](https://twitter.com/intent/tweet?text=%22Cursor%20Rules%20Tutorial%20%E2%80%94%20How%20to%20Write%20a%20.cursorrules%20File%20That%20Actually%20Controls%20Claude%20Behavior%22%20by%20%40OliviaCraftLat%20%23DEVCommunity%20https%3A%2F%2Fdev.to%2Folivia_craft%2Fcursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5)[Share to LinkedIn](https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fdev.to%2Folivia_craft%2Fcursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5&title=Cursor%20Rules%20Tutorial%20%E2%80%94%20How%20to%20Write%20a%20.cursorrules%20File%20That%20Actually%20Controls%20Claude%20Behavior&summary=Cursor%20Rules%20Tutorial%20%E2%80%94%20How%20to%20Write%20a%20.cursorrules%20File%20That%20Actually%20Controls%20Claude...&source=DEV%20Community)[Share to Facebook](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fdev.to%2Folivia_craft%2Fcursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5)[Share to Mastodon](https://s2f.kytta.dev/?text=https%3A%2F%2Fdev.to%2Folivia_craft%2Fcursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5)

[Share Post via...](https://dev.to/olivia_craft/cursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-controls-claude-behavior-15e5#)[Report Abuse](https://dev.to/report-abuse)

[![Image 8: Olivia Craft](https://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3860999%2Fbb205e04-9977-4cb0-88e0-ffbbf2f009ab.png)](https://dev.to/olivia_craft)

[Olivia Craft](https://dev.to/olivia_craft)
Posted on Apr 24

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

[#cursorrules](https://dev.to/t/cursorrules)[#ai](https://dev.to/t/ai)[#cursor](https://dev.to/t/cursor)[#tutorial](https://dev.to/t/tutorial)

# [](https://dev.to/olivia_craft/cursor-rules-tutorial-how-to-write-a-cursorrules-file-that-actually-co
Read full article → ← Back to Reads

Related Videos

5 Levels of AI Agents - From Simple LLM Calls to Multi-Agent Systems
5 Levels of AI Agents - From Simple LLM Calls to Multi-Agent Systems
Dave Ebbelaar (LLM Eng)
Can AI Really Think? Reasoning Models Explained
Can AI Really Think? Reasoning Models Explained
Bernard Marr
How To Use Google Omni | Real AI Avatar Videos Kaise Banaye | Full Tutorial
How To Use Google Omni | Real AI Avatar Videos Kaise Banaye | Full Tutorial
Digital Marketing Guruji
What exactly is a diffusion language model?
What exactly is a diffusion language model?
Vizuara
AI Named the 2026 FIFA World Cup Winner (Shocking Prediction)
AI Named the 2026 FIFA World Cup Winner (Shocking Prediction)
AI Master
Our vibe coded projects that actually work | The Vergecast
Our vibe coded projects that actually work | The Vergecast
The Verge