Table of Contents Introduction Prerequisites Project Setup Understanding the MCP Architecture Implementing the Core Server Creating MCP Tools Tool Naming and Descriptions SSE (Server-Sent Events) Specifics Testing Your MCP Server Complete Example Introduction The Model Context Protocol (MCP) is an open protocol that standardizes how applications provide context to Large Language Models (LLMs). This guide demonstrates how to build an MCP server using ASP.NET Core and C#. An MCP server exposes tools that LLMs can discover and invoke. These tools are simply API endpoints decorated with special attributes that make them discoverable through the MCP protocol. ...