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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

November 2025 Reading List

2025-12-03 08:00:00

A summary of all the books I’ve managed to read in November of 2025.

Dissecting The Halo 5 Spartan Rank Manifest

2025-11-26 08:00:00

Did you know that Halo 5 had an entire API endpoint that defined the Spartan Rank progression? You do now - here is what it had inside.

One Year Of Model Context Protocol Through A Core Maintainer Lens

2025-11-25 08:00:00

Model Context Protocol is a year old today. Along with its birthday, we’re also celebrating the release of the 2025-11-25 spec version.

What's New In The 2025-11-25 MCP Authorization Spec

2025-11-24 08:00:00

Get a sneak peek on what’s changing in the new authorization specification for MCP that will land with the new spec release.

Halo World Championship 2025

2025-11-20 08:00:00

The family tradition of attending every Halo World Championship continued in 2025, an extra special year because of the last HCS installment on top of Halo Infinite.

Support For CIMD For MCP In Visual Studio Code

2025-11-17 08:00:00

A quick overview of the upcoming change to the MCP specification that introduces support for Client ID Metadata Documents (CIMD), and how it will be supported in Visual Studio Code.