****How to use Cursor AI with Entity Framework Core (without blowing up your database)

You ask Cursor to add a simple API endpoint. It generates a working controller. You glance at the EF Core code. .Include().ThenInclude().ThenInclude() — three levels deep, no AsNoTracking(), and a ToListAsync() that materialises 50,000 rows. Congratulations: your AI assistant just authored a production incident. Here's how to stop it — permanently, automatically, before the code hits your PR.

## The silent database killer in your AI pair programmer

** Cursor AI is genuinely excellent at generating .NET code. It understands your domain models, your repository patterns, your controller structure. But there's one area where it consistently fails — and fails dangerously — and that's Entity Framework Core.

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The reason is simple: Cursor's training data contains millions of EF Core examples from blog posts, Stack Overflow answers, and GitHub repos.…