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Weekly Recap: Microsoft Agent Framework, Semantic Kernel, and Builder Patterns in C# [Feb 2026]

Weekly Recap: Microsoft Agent Framework, Semantic Kernel, and Builder Patterns in C# [Feb 2026]

Like what you read or watched from the recap? I'd love if you helped share on Reddit or Daily.dev so others can see!


Weekly Recap

Planning in Software Engineering - Principal Engineering Manager AMA

Everyone seems to have an opinion on the best way to approach planning in software engineering -- but if you hear different people talk about it, how can so many different approaches be right? Or does that mean they're all... wrong?

As with all livestreams, I'm looking forward to answering YOUR questions! So join me live and ask in the chat, or you can comment now, and I can try to get it answered while I stream.

How Do You Hire When You Aren't Even The Expert?

From the ExperiencedDevs subreddit, these different redditors were asking questions about hiring in software engineering. If you aren't an expert on something, how can you hire others to do it?

Microsoft Agent Framework in C#: Complete Developer Guide

Microsoft Agent Framework in C#: Complete Developer Guide

Complete guide to Microsoft Agent Framework in C#. Core abstractions, architecture, tool registration, sessions, and where MAF fits in the .NET AI ecosystem.

Semantic Kernel Agents in C#: Complete Guide to AI Agents

Semantic Kernel Agents in C#: Complete Guide to AI Agents

Master Semantic Kernel agents in C# with ChatCompletionAgent, AgentGroupChat orchestration, and Microsoft Agent Framework integration.

Builder Pattern Real-World Example in C#: Complete Implementation

Builder Pattern Real-World Example in C#: Complete Implementation

See Builder pattern in action with a complete real-world C# example. Step-by-step implementation of a configuration system demonstrating step-by-step object construction.

Semantic Kernel Plugins in C#: The Complete Guide

Semantic Kernel Plugins in C#: The Complete Guide

Master Semantic Kernel plugins in C# with this guide. Learn to create native functions, prompt functions, and OpenAPI plugins with real code examples.

Factory Method Design Pattern in C#: Complete Guide

Factory Method Design Pattern in C#: Complete Guide

Master the Factory Method design pattern in C# with code examples, real-world scenarios, and practical guidance for flexible object creation.

GitHub Copilot SDK for .NET: Complete Developer Guide

GitHub Copilot SDK for .NET: Complete Developer Guide

Learn the GitHub Copilot SDK for .NET in this complete developer guide. Build custom AI agents with CopilotClient, CopilotSession, streaming, tools, and multi-model support in C#.

Builder vs Fluent Interface Pattern in C#: Key Differences Explained

Builder vs Fluent Interface Pattern in C#: Key Differences Explained

Understand the differences between Builder and Fluent Interface patterns in C# with code examples, use cases, and guidance on when to use each pattern.

Semantic Kernel in C#: Complete AI Orchestration Guide

Semantic Kernel in C#: Complete AI Orchestration Guide

Master Semantic Kernel in C# with this complete guide. Learn plugins, agents, RAG, and vector stores to build production AI applications with .NET.

Builder Pattern Best Practices in C#: Code Organization and Maintainability

Builder Pattern Best Practices in C#: Code Organization and Maintainability

Master Builder pattern best practices in C#. Learn code organization strategies, interface design principles, dependency injection integration, and maintainability tips.

Assembly Scanning in Needlr: Filtering and Organizing Type Discovery

Assembly Scanning in Needlr: Filtering and Organizing Type Discovery

Learn how to control assembly scanning in Needlr, including filtering assemblies, controlling which types get discovered, and organizing type registration in .NET applications.

When to Use Builder Pattern in C#: Decision Guide with Examples

When to Use Builder Pattern in C#: Decision Guide with Examples

Learn when to use Builder pattern in C# with clear decision criteria, code examples, and scenarios. Understand the signs that indicate Builder is the right choice.

Hosted Services with Needlr: Background Workers and Lifecycle Management

Hosted Services with Needlr: Background Workers and Lifecycle Management

Learn how to use hosted services and background workers with Needlr, including automatic discovery of IHostedService and BackgroundService implementations.

Function Tools with AIFunctionFactory in Microsoft Agent Framework

Function Tools with AIFunctionFactory in Microsoft Agent Framework

Learn function tools with AIFunctionFactory in Microsoft Agent Framework. Covers registration, async tools, parameter descriptions, and error handling in C#.

AgentSession and Multi-Turn Conversations in Microsoft Agent Framework

AgentSession and Multi-Turn Conversations in Microsoft Agent Framework

Master AgentSession and multi-turn conversations in Microsoft Agent Framework. Session lifecycle, concurrent sessions, and a complete stateful Q&A loop in C#.

AIAgent and ChatClientAgent: Core Abstractions in Microsoft Agent Framework

AIAgent and ChatClientAgent: Core Abstractions in Microsoft Agent Framework

Explore IAIAgent and ChatClientAgent in Microsoft Agent Framework. Learn AsAIAgent(), system prompts, tool attachment, and IChatClient vs IAIAgent in C#.

Getting Started with Microsoft Agent Framework in C#

Getting Started with Microsoft Agent Framework in C#

Getting started with Microsoft Agent Framework in C# is fast. Install packages, configure OpenAI or Azure OpenAI, and build your first streaming agent.


Semantic Kernel in C#: Complete AI Orchestration Guide

Master Semantic Kernel in C# with this complete guide. Learn plugins, agents, RAG, and vector stores to build production AI applications with .NET.

Semantic Kernel Agents in C#: Complete Guide to AI Agents

Master Semantic Kernel agents in C# with ChatCompletionAgent, AgentGroupChat orchestration, and Microsoft Agent Framework integration.

GitHub Copilot SDK for .NET: Complete Developer Guide

Learn the GitHub Copilot SDK for .NET in this complete developer guide. Build custom AI agents with CopilotClient, CopilotSession, streaming, tools, and multi-model support in C#.

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