A step-by-step guide to securing a C# MCP (Model Context Protocol) server using Auth0 and OAuth 2.1. Covers building a basic ASP.NET Core MCP server, adding protected tools with permission-based access, configuring Auth0 with Dynamic Client Registration (DCR) and RBAC, implementing JWT bearer authentication, defining Protected
Table of contents
Why Protect an MCP Server?Build Your MCP Server in C#Protect Your MCP ServerTest Your Secure MCP ServerLet’s RecapSort: