Individual skill
dotnet-webapi
Guides creation and modification of ASP.NET Core Web API endpoints with correct HTTP semantics, OpenAPI metadata, and error handling. USE FOR: adding new API endpoints (controllers or minimal APIs), wiring up OpenAPI/Swagger, creating .http test files, setting up global error handling middleware. DO NOT USE FOR: general C# coding style, EF Core data access or query optimization (use optimizing-ef-core-queries), frontend/Blazor work, gRPC services, or SignalR hubs.
plugins/dotnet-aspnetcore/skills/dotnet-webapi/SKILL.md
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# ASP.NET Core Web API
Produce well-structured ASP.NET Core Web API endpoints with proper HTTP
semantics, OpenAPI documentation, and error handling.
## When to Use
Use this skill when working on ASP.NET Core HTTP APIs, including:
- adding or modifying Web API endpoints implemented with controllers or minimal APIs;
- wiring up OpenAPI/Swagger metadata and endpoint documentation;
- defining request/response DTOs and consistent HTTP status code behavior;
- adding `.http` files or similar request-based API testing artifacts;
- configuring centralized API error handling middleware or exception mapping.