.NET Skills

.NET Skills is an open-source repository providing portable skills and custom agents for AI coding assistants.

This repository provides a curated set of portable skills and host-specific custom agents created by the .NET team to assist AI coding agents with .NET and C# development. It includes various plugins covering high-level .NET development, data access, diagnostics, MSBuild, NuGet management, upgrades, MAUI, AI and ML, template engines, testing, ASP.NET Core, Blazor, WinForms, and .NET 11 APIs. The platform supports integration with tools such as GitHub Copilot, Claude Code, Cursor, Codex CLI, and VS Code. Users can install plugins through marketplaces or individual skill installers. It is designed for developers using AI coding tools who need specialized .NET assistance.

.NET Skills at a glance

Best for: Software engineer
Runs on: VS Code, CLI, open source
Pricing: Free
Released: February 2026
Category: AI coding tool
Website: github.com/dotnet/skills

Key features

High-level .NET development skills and C# LSP integration
Entity Framework and data access task support
Performance investigations and debugging diagnostics
MSBuild build skills and modernization support
NuGet dependency management and updates
Project migration and framework upgrades
ASP.NET Core and Blazor web development support
Test generation, execution, and migration tools

Use it for

Diagnosing and optimizing .NET builds and performance
Migrating and upgrading .NET projects across versions
Managing NuGet dependencies and packages
Developing ASP.NET Core and Blazor applications
Writing and analyzing .NET unit tests

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