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Hi, I'm Den 👋

Principal Product Engineer, Tinkerer, Nerd, Trail Explorer.
Den Delimarsky's personal avatar.

I am a super-technical product engineer who is all about solving complex technical problems, reverse-engineering things, and documenting my experiences. Some of the highlights include:

You can read more about my work and more on the About page.

Recent

Better Logic For Showing Auth Windows With Your Local MCP Server

·1309 words
Fix that annoying issue where authentication windows appear behind your MCP client by implementing smarter window handle discovery. This walkthrough shows you how to properly parent WAM dialogs to VS Code, Claude Desktop, and other MCP clients.

Secure Remote MCP Servers With Entra ID And Azure API Management

·3698 words
Implement secure, enterprise-ready Model Context Protocol (MCP) servers protected by Entra ID authentication using Azure API Management and Azure Functions. This complete guide walks you through creating a confidential client architecture that protects sensitive tokens while enabling secure LLM tool access.

Enable Local MCP Servers To Access Entra ID Accounts

·1732 words
Learn how to authenticate local Model Context Protocol servers with Entra ID using Windows Web Account Manager (WAM). This practical guide shows how to implement interactive user authentication in local MCP servers without complex OAuth flows.

Old Security Rakes In New MCP Yards

·1377 words
The Model Context Protocol introduces familiar security challenges we’ve seen before. Let’s not ignore them and step on the same rakes millions stepped on before.