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Arun Endapally
Arun Endapally

Posted on • Originally published at arunendapally.com

Building MCP Servers in .NET — A Practical Guide

MCP (Model Context Protocol) has become the standard way to connect
AI models like Claude to your APIs, databases, and services. The
ecosystem went from 2M monthly SDK downloads at launch to 97M by
March 2026 — it moved fast.

Here's a practical .NET walkthrough from core concepts to a working
server with auth:

  • The three MCP primitives — Tools, Resources, and Prompts
  • stdio vs Streamable HTTP: which transport to pick and why
  • Building a working MCP server in .NET from scratch
  • Locking it down with authentication

** Read the full guide on arunendapally.com**

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