Hi, I'm Den 👋

Principal Product Engineer, Tinkerer, Nerd, Trail Explorer.

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:

🚧 Helping secure and build developer tools and AI-powered experiences that make engineers more productive.
🎙️ Recording a podcast where I talk to notable folks about unconventional career paths.
☕ Building a utility to keep your Windows machine awake.
🌱 Growing a list of resources to help product managers get better.
🪐 Maintaining a Halo-related hobby project.
🪨 Tinkering with USB protocols from a popular button box.

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

Recent

The New MCP Authorization Specification

April 26, 2025·780 words

A super-quick overview of the new MCP authorization specification and how it improves security and flexibility for MCP servers.

Better Logic For Showing Auth Windows With Your Local MCP Server

April 21, 2025·1309 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

April 20, 2025·3698 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

April 14, 2025·1732 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

April 9, 2025·1377 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.