![Weekly Recap: Microsoft Agent Framework, Semantic Kernel, and Builder Patterns in C# [Feb 2026]](https://devleader-d2f9ggbjfpdqcka7.z01.azurefd.net/media/SquareBanner.webp)
This week covers the Microsoft Agent Framework in C# -- from core AIAgent abstractions to AgentSessions and function tools -- plus Semantic Kernel agents and plugins, Builder pattern deep dives, and GitHub Copilot SDK development. Also included: new videos on software engineering planning and hiring insights.
Master Semantic Kernel in C# with this complete guide. Learn plugins, agents, RAG, and vector stores to build production AI applications with .NET.
Learn how to build modular .NET applications using Needlr's plugin system, including IServiceCollectionPlugin, IWebApplicationPlugin, and automatic plugin discovery.
Want to add API key authentication middleware into your ASP.NET Core application? Check out this article for a simple code example that shows you how!
Learn about plugin architecture in C# to create extensible apps! This article provides examples with code snippets to explain how to start with C# plugins.
In this article, we'll see how we can use an ASP.NET Core Blazor RenderFragment alongside plugins to dynamically load HTML into our applications!
Want to have a plugin architecture that supports dynamic loading for Blazor? Follow this tutorial for a Blazor plugin architecture that leverages Autofac!
Like building ASP.NET web applications and want to maximize extensibility? This guide is a how-to on using a plugin architecture in Blazor. Check it out!
If you like the sound of flexibility, modularity, and extensibility then the plugin architecture design pattern is something you're going to want to check out!
Let's dive into the plugin architecture design pattern, exploring how it can be leveraged in ASP.NET Core to create more flexible and maintainable applications.
The facade pattern is useful for hiding complexity by moving dependencies behind an API. Let's dive into the facade design pattern in C# in this article!
Organizing code into Autofac modules can make maintaining code much easier and improve extensibility! It all starts with the Autofac module class. Check it out!
Are you interested in learning about interfaces in C#? This article explains the idea behind a C# interface by showing examples of interfaces in code.
