Let AI Agents Call Your .NET API — MCP Server in 3 Steps

Your REST API already serves frontend apps, mobile clients, and third-party integrations. But when an AI agent - Claude, Copilot, Cursor - needs to interact with your application, it's stuck parsing OpenAPI specs, generating HTTP calls, and hoping the auth tokens line up. The Model Context Protocol (MCP) changes this. An AI agent connects to your app, discovers available tools with typed parameters and descriptions, and invokes them directly. No glue code. No prompt engineering per endpoint. In this article, I'll show how to turn any.