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site iconDen DelimarskyModify

I am an engineer and product manager, currently working at Microsoft in the security organization helping the team ship secure and performant authentication and authorization libraries.
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Rss preview of Blog of Den Delimarsky

Update To MCP Authorization Spec - Resource Parameter (RFC 8707)

2025-06-18 08:00:00

MCP authorization spec now requires RFC 8707 implementation to prevent token misuse and phishing attacks. Here’s how the resource parameter works and why it matters for your MCP deployments.

Building My Own US Citizenship Test Flashcard Prep Tool

2025-06-16 08:00:00

How I built a custom web-based flashcard application for US citizenship test prep using AI, from concept to deployment in less than one day.

The Month of MCP

2025-06-13 08:00:00

Recent experiences with Model Context Protocol development, including conferences, security work, and community updates from Build, MCP Developer Summit, and AI Engineer World’s Fair.

American

2025-06-13 08:00:00

A personal reflection on becoming a US citizen after a long (very long) journey, exploring how American culture shaped my life, and the pride that comes with citizenship by choice.

Agents Are Your Mech Suit

2025-06-11 08:00:00

AI agents aren’t replacing developers - they’re amplifying what skilled engineers can accomplish. The job replacement panic might just be the wrong place to channel our energy into.

Visual Studio Code Now Supports MCP Authorization

2025-05-26 08:00:00

See how the latest Visual Studio Code Insiders builds seamlessly integrate with both new and legacy MCP authorization specs, offering a frictionless developer experience for accessing protected MCP servers with any OAuth provider.