.NET · dotnet/skills

Resolves .NET runtime frames in Apple .ips crash logs to function names, source files and line numbers using dSYM symbols, atos and the Microsoft symbol server.

dotnet/skills

Scans C# and .NET code for about 50 performance anti-patterns and reports prioritized findings with concrete fixes, at a scan depth you choose.

dotnet/skills

Resolves native crash frames from .NET Android tombstones to function names, source files and line numbers using BuildIds, Microsoft's symbol server and llvm-symbolizer.

dotnet/skills

Activate this skill when BenchmarkDotNet (BDN) is involved in the task — creating, running, configuring, or reviewing BDN benchmarks.

dotnet/skills

Makes .NET projects compatible with Native AOT and trimming by resolving IL trim and AOT analyzer warnings through annotations rather than suppressions.

dotnet/skills

Configures automatic crash dumps or captures dumps from running processes for modern .NET apps on Linux, macOS and Windows, including Docker and Kubernetes.

dotnet/skills

Migrate a .NET 8 project to .NET 9 and resolve all breaking changes.

dotnet/skills

Migrate a .NET 9 project or solution to .NET 10 and resolve all breaking changes.

dotnet/skills

Set up NuGet trusted publishing (OIDC) on a GitHub Actions repo — replaces long-lived API keys with short-lived tokens.

dotnet/skills

Writes and reviews Blazor .razor components with correct parameters, EventCallback, lifecycle, async and disposal patterns, for components that need no JavaScript interop.

dotnet/skills

Diagnoses and fixes .NET MAUI development environments by checking the .NET SDK, workloads, JDK, Android SDK, Xcode and Windows SDK against requirements read from NuGet.

dotnet/skills

Helps write, review and debug .NET declarations that call native C and C++ libraries, covering signatures, string marshalling, memory lifetime and SafeHandle.

dotnet/skills

Enable nullable reference types in a C project and systematically resolve all warnings.

dotnet/skills

Diagnoses and fixes skills in the dotnet/skills repository that lose to their own baseline, fail to activate, time out, or return "no credible improvement".

dotnet/skills

Guidance for .NET MAUI XAML and C data bindings — compiled bindings, INotifyPropertyChanged / ObservableObject, value converters, binding modes, multi-binding, relative bindings, fallbacks, and MVVM…

dotnet/skills

Guidance for configuring dependency injection in .NET MAUI apps — service registration in MauiProgram.cs, lifetime selection (Singleton / Transient / Scoped), constructor injection, Shell navigation…

dotnet/skills

.NET MAUI safe area and edge-to-edge layout guidance for .NET 10+.

dotnet/skills

Guide for theming .NET MAUI apps — light/dark mode via AppThemeBinding, ResourceDictionary theme switching, DynamicResource bindings, system theme detection, and user theme preferences.

dotnet/skills

Migrate a .NET 10 project or solution to .NET 11 and resolve all breaking changes.

dotnet/skills

Convert .NET tests from NUnit 3/4 to MSTest v4 while preserving VSTest or MTP.

dotnet/skills

Convert .NET tests from xUnit.net v2/v3 to MSTest v4 while preserving VSTest or MTP.

dotnet/skills

Guides creation and modification of ASP.NET Core Web API endpoints with correct HTTP semantics, OpenAPI metadata, and error handling.

dotnet/skills

Create a new ASP.NET Core web application or web site using Blazor.

dotnet/skills

Guide developers through capturing diagnostic artifacts to diagnose production .NET performance issues.

dotnet/skills

Establish MSBuild/.NET build performance baselines before optimizing.

dotnet/skills

Diagnoses .NET Framework CLR activation issues using CLR activation logs (CLRLoad logs) produced by mscoree.dll.

dotnet/skills

Guides conversion of a pre-.NET 8 Blazor Server app into a .NET 8+ Blazor Web App.

dotnet/skills

Choosing an MSBuild CopyToOutputDirectory / CopyToPublishDirectory mode: Never, PreserveNewest, Always, and IfDifferent (MSBuild 17.13+), plus $(SkipUnchangedFilesOnCopyAlways).

dotnet/skills

Generate or scaffold ASP.NET Core code — Razor Pages, Blazor components, MVC controllers, views, and Minimal API endpoints — without using ASP.NET Core CLI scaffolding/code-generation tools.

dotnet/skills

Scaffolds new agent skills for the dotnet/skills repository.

dotnet/skills

Run file-based C apps with the .NET CLI when the user explicitly wants C/.NET code without creating a project.

dotnet/skills

Detects duplicate boilerplate, copy-paste tests, and structural maintainability issues across .NET test suites.

dotnet/skills

Migrate .NET test projects from xUnit.net v2 to xunit.v3 and fix v3 breaks.

dotnet/skills

Imperative guidance for the System.Text.Json APIs added in .NET 11: the built-in JsonNamingPolicy.PascalCase naming policy, and the strongly-typed generic JsonSerializerOptions.GetTypeInfo and…

dotnet/skills

Guides creation and validation of custom dotnet new templates from existing projects.

dotnet/skills

Compares two or more dotnet new templates side by side to help users choose between them based on parameters, feature support, frameworks, and classifications.

dotnet/skills

Helps find, inspect, and compare (at a high level) .NET project templates.

dotnet/skills

Creates .NET projects from templates with validated parameters, smart defaults, Central Package Management adaptation, and latest NuGet version resolution.

dotnet/skills

Validates custom dotnet new templates for correctness before publishing.

dotnet/skills

Add, configure, or review Ignite UI for Blazor Lite component support in Blazor applications.

dotnet/skills

Add, review, or fix JavaScript interop in Blazor components.

dotnet/skills

Design, implement, optimize, and review SIMD code in .NET. An agent skill from dotnet/skills.

dotnet/skills

Convert .NET projects and solutions (.sln, .slnx) to NuGet Central Package Management (CPM) using Directory.Packages.props.

dotnet/skills

USE ONLY for (1) two or more projects with repeated MSBuild policy, targets, or package versions, or (2) an existing Directory.Build.props/targets/rsp hierarchy with an import, placement, or…

dotnet/skills

Guides technology selection and implementation of AI and ML features in .NET 8+ applications using ML.NET, Microsoft.Extensions.AI (MEAI), Microsoft Agent Framework (MAF), GitHub Copilot SDK, ONNX…

dotnet/skills

Scaffolds eval.yaml evaluation specs for skills, custom agents, and redistributable gh-aw workflow packages in the dotnet/skills repository.

dotnet/skills

Use this skill before answering, planning, or editing any MSTest 3.x-to-4.x upgrade or post-upgrade failure.

dotnet/skills

Use this skill before answering, planning, or editing whenever .NET tests or CI are switching from VSTest to Microsoft.Testing.Platform (MTP), or an MTP migration behaves differently.

dotnet/skills