C# · API design

Write modern, high-performance C code using records, pattern matching, value objects, async/await, Span<T/Memory<T, and best-practice API design patterns.

sketch7/FluentlyHttpClient

Applies extend-only design rules to NuGet packages and distributed systems, covering source, binary and wire compatibility and how to deprecate members safely.

Aaronontheweb/dotnet-skills

DO NOT USE when the target already consumes an injected interface or built-in abstraction such as IFileSystem or TimeProvider, even if the request says "generate a wrapper"; no new wrapper is needed.

microsoft/testfx

Add new C APIs to SkiaSharp by wrapping Skia C++ functionality, or review existing API PRs for correctness and style.

mono/SkiaSharp

Guidelines for introducing and using nullable reference types (NRT) and System.Diagnostics.CodeAnalysis nullable attributes in C / .NET codebases.

Aaronontheweb/dotnet-skills

A skill your agent uses when writing, reviewing, testing, or shipping C / .NET code — ASP.NET Core APIs (minimal APIs vs controllers), EF Core data access, async correctness, solution layout in…

ericrisco/rsc-harness