- 07/17/2026
- 11 minute read
MCP Transports in C#: stdio vs. Streamable HTTP vs. Legacy SSE
Compare MCP transports in C# across stdio, Streamable HTTP, stateless/stateful sessions, and legacy SSE migration so .NET teams choose safe .NET wiring.
← Back to Artificial Intelligence
AI & .NET
Practical guidance on building AI-powered .NET apps, covering Model Context Protocol servers, Microsoft Agent Framework, and GitHub Copilot SDK integrations.
Sub-topics
Articles
- 07/15/2026
- 10 minute read
MCP Resources and Prompts in C#: Exposing Data and Reusable Templates
Learn how MCP resources in C# expose readable data with URI templates, then use MCP prompts so .NET teams can publish reusable agent workflow templates.
- 07/12/2026(Updated 07/13/2026)
- 11 minute read
Defining MCP Tools in C#: Attributes, JSON Schema, and Error Handling
Learn how MCP tools in C# use attributes, JSON Schema, DI, content blocks, cancellation, error handling, and naming so models call .NET tools correctly.
- 07/10/2026(Updated 07/13/2026)
- 10 minute read
Build Your First MCP Server in C#: A Step-by-Step Quickstart
Build an MCP server in C# with a local stdio quickstart covering packages, Host setup, tool attributes, VS Code wiring, stderr logs, and common fixes.
- 07/08/2026(Updated 07/13/2026)
- 12 minute read
Model Context Protocol (MCP) Explained for C# and .NET Developers
Model Context Protocol explained for C# and .NET developers: what MCP is, why it matters, and how hosts, clients, servers, tools, resources, and prompts fit.
- 07/06/2026(Updated 07/13/2026)
- 12 minute read
Building MCP Servers and Clients in C#: The Complete Guide
Learn how to build an MCP server C# developers can trust, from stdio and HTTP transports to tools, clients, security, Azure hosting, and debugging tips.
- 04/06/2026
- 12 minute read
Azure AI Foundry Agents with Microsoft Agent Framework in C#
Connect azure ai foundry agents with microsoft agent framework in C# -- learn Azure backend setup, project connections, managed deployment, and cost management.
- 04/05/2026(Updated 07/13/2026)
- 9 minute read
Evaluating AI Agents with Microsoft.Extensions.AI.Evaluation in C#
Learn evaluating ai agents microsoft extensions ai evaluation in C#. Build LLM-as-judge evaluation harnesses with real .NET code examples for quality testing.
- 04/04/2026(Updated 07/13/2026)
- 10 minute read
Microsoft Agent Framework vs Semantic Kernel: Which to Use in C#
Compare microsoft agent framework vs semantic kernel in C# with a side-by-side breakdown, feature table, and decision guide to help you choose the right tool.
- 04/03/2026(Updated 07/13/2026)
- 10 minute read
Migrating from Semantic Kernel to Microsoft Agent Framework in C#
A step-by-step guide to migrate semantic kernel microsoft agent framework in C# -- covering API mapping, gotchas, and when migration makes sense.
- 04/02/2026(Updated 07/13/2026)
- 11 minute read
OpenTelemetry and Observability in Microsoft Agent Framework
Set up microsoft agent framework opentelemetry observability in C# to track token usage, latency, tool calls, and errors in your AI agents.
- 04/01/2026
- 9 minute read
Middleware in Microsoft Agent Framework: Logging, Caching, and Custom Pipelines
Master middleware in Microsoft Agent Framework: build microsoft agent framework middleware csharp pipelines for logging, caching, rate limiting, and custom processing.
- 03/31/2026(Updated 07/13/2026)
- 8 minute read
Build a Multi-Agent Analysis System with GitHub Copilot SDK in C#
Build a multi-agent analysis system with GitHub Copilot SDK in C#. Learn the AgentBase reusable pattern, SystemMessageMode.Replace for agent isolation, sequential AgentPipeline orchestration, and specialist agent design.
- 03/30/2026
- 11 minute read
GitHub Copilot SDK vs Semantic Kernel: When to Use Each in C#
GitHub Copilot SDK vs Semantic Kernel in C# -- a practical comparison. Understand when to use each framework, their key differences, and how to choose for your .NET AI applications.
- 03/29/2026
- 9 minute read
Multi-Model Support in GitHub Copilot SDK: GPT-5 vs Claude in C#
Learn multi-model support in GitHub Copilot SDK: configure GPT-5 and Claude in C#, compare capabilities, build model-agnostic .NET apps.
- 03/28/2026
- 9 minute read
Session Hooks and Event Handling in GitHub Copilot SDK for C#
Master session hooks and event handling in GitHub Copilot SDK for C#. Intercept requests, handle streaming, and build observable AI apps.
- 03/27/2026
- 10 minute read
Custom AI Tools with AIFunctionFactory in GitHub Copilot SDK for C#
Learn to build custom AI tools with AIFunctionFactory in GitHub Copilot SDK for C#. Working code examples and best practices included.
- 03/26/2026
- 6 minute read
Build a Repository Analysis Bot with GitHub Copilot SDK in C#
Build a repository analysis bot with GitHub Copilot SDK in C#. Learn SystemMessageMode.Replace for agent personas, read-only tools, dual console and StringBuilder output, and batch processing.
- 03/25/2026
- 5 minute read
Build an Interactive Coding Agent with GitHub Copilot SDK in C#
Build an interactive coding agent with GitHub Copilot SDK in C#. Learn persistent CopilotSession management, file read/write tools, run_dotnet_build feedback, and the REPL agent loop.
- 03/25/2026(Updated 07/13/2026)
- 8 minute read
Multi-Agent Orchestration in Microsoft Agent Framework in C#
Master multi-agent orchestration in Microsoft Agent Framework in C# with a real research app. Revision loops, quality gates, and context passing explained.
- 03/23/2026
- 6 minute read
Build an AI CLI Developer Tool with GitHub Copilot SDK in C#
Build an AI CLI developer tool with GitHub Copilot SDK in C#. Learn CopilotClient, AIFunctionFactory tools, streaming responses, and session management.
- 03/22/2026
- 11 minute read
Streaming Responses with GitHub Copilot SDK in C#: Real-Time Token Output
Learn streaming responses GitHub Copilot SDK C# with AssistantMessageDeltaEvent, Server-Sent Events, and IAsyncEnumerable for real-time AI output.
- 03/21/2026
- 10 minute read
Managing Sessions and Context in GitHub Copilot SDK for C#: Patterns and Best Practices
Learn patterns for managing sessions GitHub Copilot SDK C# apps. Session lifecycle, context windows, multi-turn conversations, and best practices.
- 03/20/2026
- 10 minute read
CopilotClient and CopilotSession in C#: Core Concepts of the GitHub Copilot SDK
Master CopilotClient and CopilotSession -- the two core classes of the GitHub Copilot SDK in C#. Learn the client/session model, session configuration, lifecycle management, the event-driven API, and how they work together in .NET applications.
- 03/19/2026
- 10 minute read
GitHub Copilot SDK Installation and Project Setup in C#: Step-by-Step Guide
Set up the GitHub Copilot SDK in C# with this step-by-step guide covering NuGet package install, GitHub Copilot CLI authentication, and project configuration.
- 03/18/2026(Updated 07/13/2026)
- 6 minute read
Build a Semantic Search Engine with Semantic Kernel in C#
Build a semantic search engine with Semantic Kernel in C#. Learn ITextEmbeddingGenerationService, VectorSearchOptions filter, and scored similarity search.
- 03/18/2026(Updated 07/13/2026)
- 8 minute read
MAF Workflows in C#: Sequential, Parallel, and Content Pipelines
Build MAF workflows in C# with sequential and parallel agent execution. Learn the content pipeline pattern using Microsoft Agent Framework with real code.
- 03/17/2026(Updated 07/13/2026)
- 7 minute read
Build a Document Q&A App with RAG and Semantic Kernel in C#
Build a document Q&A app with RAG and Semantic Kernel in C#. Covers ITextEmbeddingGenerationService, InMemoryVectorStore, and vector similarity search.
- 03/16/2026
- 11 minute read
Chunking Strategies for RAG with Semantic Kernel in C#: Fixed-Size, Sentence, and Semantic Chunking
Learn chunking strategies for RAG with Semantic Kernel in C#. Compare fixed-size, sentence-boundary, paragraph, and semantic chunking approaches with complete .NET code examples to improve retrieval accuracy in your RAG pipelines.
- 03/15/2026
- 11 minute read
Text Embeddings with Semantic Kernel in C#: A Practical Guide to ITextEmbeddingGenerationService
Learn to generate text embeddings with Semantic Kernel in C#. Covers ITextEmbeddingGenerationService, OpenAI, Azure OpenAI, and cosine similarity.
- 03/14/2026
- 12 minute read
Semantic Kernel Vector Store in C#: Azure AI Search, Qdrant, and Beyond
Master the Semantic Kernel vector store in C# with Azure AI Search, Qdrant, and InMemoryVectorStore for RAG and semantic search.
- 03/13/2026(Updated 07/13/2026)
- 8 minute read
Build an AI Task Planner with Semantic Kernel in C#
Build an AI task planner with Semantic Kernel in C# using KernelFunctionFactory, Kernel.InvokeAsync, KernelArguments, and structured JSON pipelines.
- 03/12/2026(Updated 03/12/2026)
- 9 minute read
Build an AI Code Review Bot with Semantic Kernel in C#
Learn to build an AI code review bot with Semantic Kernel in C#. Uses ChatCompletionAgent with four plugins for bug, security, performance, and style review.
- 03/11/2026
- 14 minute read
ChatCompletionAgent vs AssistantAgent in Semantic Kernel: Which Should You Use?
Compare ChatCompletionAgent vs AssistantAgent in Semantic Kernel for C#. Learn key differences and when to use each agent type for your .NET AI application.
- 03/11/2026(Updated 07/13/2026)
- 7 minute read
Tool Approval and Human-in-the-Loop in Microsoft Agent Framework
Learn how to implement microsoft agent framework tool approval human in the loop patterns in C# to keep AI agents safe, auditable, and under human control.
- 03/10/2026
- 22 minute read
Multi-Agent Orchestration with Semantic Kernel in C#: AgentGroupChat and Selection Strategies
Learn multi-agent orchestration Semantic Kernel C# with AgentGroupChat, selection strategies, and termination patterns for specialized agents in .NET.
- 03/09/2026
- 8 minute read
Building AI Agents with Semantic Kernel in C#: A Practical Step-by-Step Guide
Learn how to build AI agents with Semantic Kernel in C# from scratch. Create ChatCompletionAgent, configure instructions, add plugins, manage conversation threads, and build production-ready AI agents in .NET.
- 03/08/2026
- 10 minute read
Semantic Kernel Plugin Best Practices and Patterns for C# Developers
Master semantic kernel plugin best practices for C# developers. Learn KernelFunction descriptions, error handling, and production patterns.
- 03/07/2026
- 10 minute read
Semantic Kernel OpenAPI Plugin Integration in C#: Connect Any REST API as an AI Tool
Master Semantic Kernel OpenAPI plugin integration in C# to connect REST APIs as AI tools. Import specs, configure auth, and invoke endpoints.
- 03/06/2026
- 6 minute read
Semantic Kernel Function Calling in C#: Native vs Prompt Functions Explained
Understand Semantic Kernel function calling in C# -- the difference between native functions and prompt functions, how auto-invoke works, FunctionChoiceBehavior options, and when to use each type in your .NET AI applications.
- 03/05/2026
- 10 minute read
How to Create Custom Plugins for Semantic Kernel in C#
Learn how to create custom plugins for Semantic Kernel in C# step by step. Build native function plugins, prompt plugins, and multi-function plugin classes with KernelFunction, Description attributes, and dependency injection.
- 03/04/2026
- 11 minute read
Advanced GitHub Copilot SDK in C#: Tools, Hooks, Multi-Model, and Multi-Agent Patterns
Master the advanced GitHub Copilot SDK in C# with AIFunctionFactory tools, session hooks, multi-model routing, and multi-agent patterns.
- 03/04/2026
- 10 minute read
MCP Tool Integration in Microsoft Agent Framework in C#
MCP tool integration in Microsoft Agent Framework in C# using AIFunctionFactory and ChatClientAgent -- real working code with filesystem tools.
- 03/03/2026
- 8 minute read
Building Real Apps with GitHub Copilot SDK in C#: End-to-End Patterns and Architecture
Building real apps with GitHub Copilot SDK in C#: master app architecture patterns, CLI tools, ASP.NET Core APIs, and console agents in .NET.
- 03/02/2026
- 15 minute read
Getting Started with GitHub Copilot SDK in C#: Installation, Setup, and First Conversation
Getting started with GitHub Copilot SDK in C#: master installation, CopilotClient setup, streaming responses, and build your first .NET AI app.
- 03/01/2026
- 11 minute read
RAG with Semantic Kernel in C#: Complete Guide to Retrieval-Augmented Generation
Master RAG with Semantic Kernel in C# using vector stores, embeddings, and InMemoryVectorStore. Complete guide with working .NET code examples.
- 02/28/2026
- 13 minute read
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.
- 02/27/2026
- 10 minute read
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.
- 02/26/2026
- 7 minute read
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#.
- 02/25/2026
- 7 minute read
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.
- 02/21/2026(Updated 07/13/2026)
- 8 minute read
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#.
- 02/21/2026(Updated 07/13/2026)
- 7 minute read
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#.
- 02/21/2026(Updated 07/13/2026)
- 8 minute read
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#.
- 02/21/2026(Updated 07/13/2026)
- 6 minute read
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.
- 02/21/2026(Updated 07/13/2026)
- 9 minute read
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.
- 01/17/2023(Updated 07/13/2026)
- 2 minute read
The Hottest New Open Source OpenAI API for C#
Check out NexusLabs.OpenAI, an open source C# project for calling OpenAI web APIs, with Autofac integration, functional tests, and an example app.