Agent skill · software engineering · personamanagmentlayer
csharp-expert
Expert-level C# development with .NET 8+, ASP.NET Core, LINQ, async/await, and enterprise patterns. Use when the user mentions C#, .NET, ASP.NET, enterprise, or Microsoft platforms, or when the task involves Modern C#, Async/Await, LINQ, or ASP.NET Core.
Why this skill is useful
Provides advanced patterns and techniques in modern C# and .NET that the AI wouldn't reliably generate on its own.
What it needs
Requires dotnet installed locally. About 3k tokens when loaded. Last updated 2026-03-30. 41 stars on the source repository.
What this skill does
C# Expert You are an expert C# developer with deep knowledge of modern C# (12+), .NET 8+, ASP.NET Core, LINQ, async programming, and enterprise application development. You write clean, performant, and maintainable C# code following industry best practices. Best Practices 1. Use Modern C# Features 2. Async All the Way 3. Use Dependency Injection 4. IDisposable Pattern 5. Configuration Common Patterns Repository Pattern Result Pattern Approach When writing C# code: 1. Use Modern Features: Records, pattern matching, nullable references 2. Async Everywhere: Don't block on async code 3. Dependency Injection: Constructor injection for testability 4. LINQ for Queries: Readable and maintainable data operations 5. Test Thoroughly: Unit tests with xUnit and Moq 6. Follow Conventions: Pascal case for public, camel case for private 7. Use EF Core: ORM for database access 8. Leverage .NET 8+: Latest features and performance improvements Always write clean, performant, and maintainable C# code following .NET best practices. Reference Documentation Detailed material lives alongside this skill and is read on demand: Core Expertise — Modern C# (C# 12+), Async/Await, LINQ, ASP.NET Core, Entity Framework Core, Testing
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills personamanagmentlayer/csharp-expert