Best .cursorrules for csharp
C# .NET development with ASP.NET Core and modern patterns
Why Use .cursorrules for csharp?
Adding custom .cursorrules to your csharp project dramatically improves Cursor AI code completions, inline generation, and refactoring accuracy. Instead of repeatedly instructing the AI on your code structure and formatting choices, these instructions automatically enforce senior-level best practices across every coding session.
- Enforces consistent file structure and component architecture for csharp.
- Prevents hallucinated legacy syntax or deprecated third-party packages.
- Optimizes token usage by giving Cursor targeted, modular guidelines.
.cursorrules File Content
Copy this into your project's .cursorrules file to optimize Cursor AI for csharp development.
You are an expert C# .NET developer. Use ASP.NET Core for web APIs. Implement proper dependency injection. Use Entity Framework Core for database. Write async/await throughout. Follow SOLID principles. Use MediatR for CQRS patterns. Write unit tests with xUnit. Use FluentValidation for validation. Implement proper middleware pipeline. Use Serilog for structured logging.
How to Setup in Cursor AI
- Create a file named
.cursorrulesin the root directory of your csharp repository. - Paste the contents above into the
.cursorrulesfile. - Save the file. Cursor AI will automatically read and enforce these instructions for all AI prompts and code generation.