Skills and MCP tagged “csharp”

dotnet-best-practices official github skill Guides reviews and edits of selected .NET/C# code with project rules for structure, DI, tests, logging and security. Use it when changing an existing solution. GitHub Copilot 15,752installs dotnet-patterns affaan-m skill C# and ASP.NET Core architectural conventions for AI coding agents. Enforces patterns for dependency injection, immutability, async/await, and error handling. Claude Code CX Codex Cursor +1 4,500installs csharp-testing affaan-m skill A skill that gives your agent C# and .NET testing patterns: xUnit, FluentAssertions, mocks, integration tests. Claude Code CX Codex Cursor +1 4,400installs aspnet-core official openai skill Guides building, refactoring, and architecting ASP.NET Core apps using official Microsoft patterns. Helpful for Minimal APIs, Blazor, and migrations. Claude Code CX Codex Cursor +1 3,900installs dotnet-design-pattern-review official github skill Reviews selected C#/.NET code for design patterns and suggests improvements without editing files. Use it when you need an architecture-focused code review. GitHub Copilot 11,609installs csharp-async official github skill This skill guides Copilot through C# async best practices and flags common mistakes. Use it when reviewing async methods, tasks, and public APIs. GitHub Copilot 10,883installs winui-app official openai skill This skill helps create, configure, and review WinUI 3 apps built with C# and the Windows App SDK. Use it for new projects or XAML issues. Claude Code CX Codex Cursor +1 3,200installs csharp-xunit official github skill This skill guides C# unit testing with XUnit, including data-driven cases. Use it when creating or reviewing tests in a .NET project. GitHub Copilot 10,328installs csharp-docs official github skill Guides XML documentation for C# types and members. Use it when a project needs consistent API comments and tag conventions. GitHub Copilot 9,666installs csharp-nunit official github skill Guides GitHub Copilot when writing NUnit unit tests in C#, including data-driven cases. Use it when a project needs consistent test conventions. GitHub Copilot 9,000installs csharp-mstest official github skill Guides GitHub Copilot through MSTest 3.x/4.x unit tests, from test structure to assertions and data-driven cases. Use it when working on C# test code. GitHub Copilot 8,900installs csharp-tunit official github skill This skill guides TUnit unit testing in .NET, including data-driven cases. Use it when writing new tests or moving a suite from xUnit. GitHub Copilot 8,800installs dotnet-backend-patterns Seth Hobson skill Skill for C# and .NET development: patterns for async code, dependency injection, Entity Framework Core, caching, and testing. Use when building backend APIs, MCP servers, or reviewing C# code. Claude Code CX Codex Cursor 19,076installs winui3-migration-guide official github skill This skill helps move UWP code to WinUI 3 and Windows App SDK. Use it to check API replacements, namespaces, and common Copilot mistakes. GitHub Copilot 5,700installs dotnet-timezone official github skill This skill gives C# and .NET guidance for time zones, UTC conversion, DST, and Windows or IANA IDs. Use it for APIs, schedulers, and location lookups. GitHub Copilot 1,600installs csharp-developer VoltAgent Community subagent This subagent inspects .NET solutions and helps build C# applications, ASP.NET Core APIs, and Entity Framework Core features. Use it when async code or clean architecture is part of the task. Claude Code 276installs mvvm-toolkit-di official github skill Wires CommunityToolkit.Mvvm ViewModels into Microsoft.Extensions.DependencyInjection across WPF, WinUI 3, .NET MAUI, Uno, and Avalonia projects. GitHub Copilot 92installs mvvm-toolkit official github skill Guides GitHub Copilot to scaffold ViewModels, source generator attributes, commands, and validation for CommunityToolkit.Mvvm. GitHub Copilot 89installs dotnet-framework-4.8-expert VoltAgent Community subagent Maintains and modernizes legacy enterprise apps on .NET Framework 4.8. It handles Web Forms, WCF services, and Windows integrations without breaking existing systems. Claude Code 187installs mvvm-toolkit-messenger official github skill A GitHub Copilot skill for CommunityToolkit.Mvvm Messenger: wires ViewModels together over pub/sub instead of direct references. GitHub Copilot 56installs roslyn-analyzers official github skill This skill guides Roslyn analyzer, code fix provider, and incremental source generator work, including review, tests, debugging, and NuGet packaging. GitHub Copilot 30installs api-breaking-change-detector official github skill Cross-references C# Web API controllers and DTOs against TypeScript or JavaScript clients in source code. Catches breaking contract drift before deployment. GitHub Copilot 23installs system-commandline-cli official github skill A skill for building .NET CLI apps with System.CommandLine 2.x.x. It enforces architecture patterns for commands, options, and DI handlers. GitHub Copilot 21installs migrating-oracle-to-postgres-data-access-code official github skill Migrates .NET and C# data access code from Oracle to PostgreSQL using Npgsql. Useful when converting an existing .NET project layer step by step. GitHub Copilot 10installs C# Expert official github subagent Guides the assistant through .NET and C# tasks. It enforces framework conventions, safe async/await patterns, and clean test structure. GitHub Copilot ★ 40,369repo stars openapi-to-application-csharp-dotnet official Awesome Copilot Community plugin Generate a .NET application from an OpenAPI specification, with ASP.NET Core scaffolding and controller generation. Use it to start an application from an API definition. GitHub Copilot ★ 40,369repo stars