I evaluated the leaked system prompts of the biggest AI coding tools. Here's what I found.

📰 Dev.to · Francisco Ferreira

Evaluate leaked system prompts of major AI coding tools to understand their design and potential applications

advanced Published 23 Apr 2026

Action Steps

Explore the GitHub repository containing the leaked system prompts of Cursor, Windsurf, Lovable, Bolt, and v0
Analyze the prompt designs and identify common patterns and differences
Evaluate the potential applications and limitations of each prompt design
Compare the system prompts with existing AI coding tools and models
Apply the insights gained to improve your own AI coding models and workflows

Who Needs to Know This

Developers and AI engineers can benefit from understanding the system prompts of AI coding tools to improve their own models and integrate them into their workflows

Key Insight

💡 Understanding the system prompts of AI coding tools can help improve model design and integration