Build Your First MCP Server in C#: A Complete Guide to Agentic AI

📰 Dev.to AI

This tutorial guides readers in building their first MCP server in C# using .NET and Azure OpenAI, covering integration, authentication, and long-running operations

intermediate Published 25 Mar 2026

Action Steps

Set up a .NET environment and install required packages for MCP server development
Implement custom business logic as AI-callable tools using C#
Integrate the MCP server with Azure OpenAI for seamless functionality
Handle authentication and authorization for secure MCP server operations
Support long-running operations in the MCP server for efficient processing

Who Needs to Know This

Developers and AI engineers on a team can benefit from this tutorial to learn how to implement Model Context Protocol (MCP) servers using C# and Azure OpenAI, enhancing their skills in integrating custom business logic with AI tools

Key Insight

💡 Mastering the Model Context Protocol (MCP) with .NET and Azure OpenAI enables developers to expose custom business logic as AI-callable tools, enhancing AI integration and functionality in their applications