Master RAG with Semantic Kernel in C# using vector stores, embeddings, and InMemoryVectorStore. Complete guide with working .NET code examples.
![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.
