Tag Archives: LLM

Implement a secure MCP server using OAuth DPoP and Duende identity provider

November 3, 2025 · by · in .NET Core, ASP.NET Core, Azure, MCP, OAuth2, Open AI, OpenId, Security · 1 Comment

This post demonstrates how an ASP.NET Core application can connect to a secure MCP server using OpenID Connect and OAuth. Both applications use Duende IdentityServer as the identity provider. The MCP server requires delegated DPoP access tokens. Code: https://github.com/damienbod/McpOidcOAuth Setup The UI application authenticates with the Duende IdentityServer using OpenID Connect. Upon successful authentication, a […]

Implement a secure MCP server using OAuth and Entra ID

September 23, 2025 · by · in .NET, .NET Core, ASP.NET Core, dotnet, Entra CIAM, MCP, Microsoft Entra External ID, OAuth2, Open AI, OpenId · 2 Comments

The article shows how to implement a secure model context protocol (MCP) server using OAuth and Entra ID. The MCP server is implemented using ASP.NET Core and uses Microsoft Entra ID to secure the API. An ASP.NET Core application using Azure OpenAI and semantic kernel is used to implement the MCP client for the agent […]