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Found 222 Skills
C#/.NET 테스트 코드 작성. 기존 코드에 대한 단위/통합 테스트를 xUnit, Moq, FluentAssertions 기반으로 생성. 서브에이전트에 위임.
Xamarin cross-platform with .NET. Use for .NET mobile.
F# functional-first programming on .NET. Use for .fs files.
General .NET development workflow patterns. Use when implementing features, fixing bugs, or refactoring code.
Expert-level C# development with .NET 8+, ASP.NET Core, LINQ, async/await, and enterprise patterns
C# error handling, validation, and Result pattern best practices. Use when handling exceptions, implementing validation, designing error responses, or choosing between exceptions and Result types.
Expert patterns for Azure Functions development including isolated worker model, Durable Functions orchestration, cold start optimization, and production patterns. Covers .NET, Python, and Node.js programming models. Use when: azure function, azure functions, durable functions, azure serverless, function app.
Set up NuGet trusted publishing (OIDC) on a GitHub Actions repo — replaces long-lived API keys with short-lived tokens. USE FOR: trusted publishing, NuGet OIDC, keyless NuGet publish, migrate from NuGet API key, NuGet/login, secure NuGet publishing. DO NOT USE FOR: publishing to private feeds or Azure Artifacts (OIDC is nuget.org only). INVOKES: shell (powershell or bash), edit, create, ask_user for guided repo setup.
Establish build performance baselines and apply systematic optimization techniques. Only activate in MSBuild/.NET build context. Use when diagnosing slow builds, establishing before/after measurements, or applying advanced optimization strategies like MSBuild Server, static graph builds, artifacts output, and dependency graph trimming. Start here before diving into specific optimizations from build-perf-diagnostics, incremental-build, or build-parallelism skills. DO NOT use for non-MSBuild build systems.
Optimize Entity Framework Core queries by fixing N+1 problems, choosing correct tracking modes, using compiled queries, and avoiding common performance traps. Use when EF Core queries are slow, generating excessive SQL, or causing high database load.
Guide for optimizing MSBuild incremental builds. Only activate in MSBuild/.NET build context. Use when builds are slower than expected on subsequent runs, when 'nothing changed but it rebuilds anyway', or when diagnosing why incremental builds are broken. Covers Inputs/Outputs on targets, FileWrites tracking, up-to-date checks, and diagnosing unnecessary rebuilds via binlog analysis.
Guide for optimizing MSBuild build parallelism and multi-project scheduling. Only activate in MSBuild/.NET build context. Use when builds are not utilizing all CPU cores, when looking to speed up multi-project builds, or when evaluating graph build mode. Covers /maxcpucount, project dependency graphs, graph build (/graph), BuildInParallel, and reducing unnecessary project references.