C# Advent Calendar 2025

Claimed by: Christopher C. Johnson

From Encrypted Messaging to Secure AI: Cryptography Patterns in .NET 10

Claimed by: Cameron Presley

Reducing Bugs by Using the Model View Update Pattern

Claimed by: Roman Stoffel

Create Types on Demand and Cecilifier

Claimed by: Gérald Barré

Creating a custom MSBuild SDK to reduce boilerplate in .NET projects

Claimed by: Thomas Ardal

Fetching GitHub content from C#

Claimed by: Lee Englestone

Santa's Workshop with AI Elf Agents

Claimed by: Stephen Cleary

Debug Dumps in Visual Studio

Claimed by: Ardalis

Single File Test Suites in .NET C#

Claimed by: Victor Frye

Gifting SDKs with Kiota

Claimed by: Mykyta Kovalenko

.NET Performance: Efficient Async Code

Claimed by: Sarah Dutkiewicz

St. Nicholas' Goodies - A TUI!

🌟 Claim This Spot! 🌟

Claimed by: Dave Brock

Parsing Santa's workshop with strongly typed data (without the coal)

Claimed by: Chris Woody Woodruff

Debugging Entity Framework Core: 8 Real-World Query Anti‑Patterns (and How to Fix Them)

Claimed by: Michael Eaton

A Christmas Trivia game using C# and Spectre.Console

Claimed by: Al Nyveldt

Make Copilot Work Your Way: Building MCP Servers in C#

Claimed by: Jonathan "J." Tower

Reusing Your Existing .NET REST APIs for AI with MCP

Claimed by: Kevin Griffin

What's New in C# 14: Extension Members

Claimed by: Luis Beltran

Meet Microsoft Agent Framework — Your .NET Agent Toolkit

Claimed by: Jorge Levy

Create your MCP Server using Azure Functions

Claimed by: 2code ^ !2code

2 code a Roslyn Source Generator - C# Advent Calendar 2025

Claimed by: Poornima Nayar

Sending sweet treats with Google Pub/Sub

Claimed by: Sam Basu

Modern .NET with Uno Platform & AI

Claimed by: Chris Ayers

Getting Started with the Aspire CLI

Claimed by: John Waters

Sending Holiday Cheer in .NET with Scriban and MailKit

Claimed by: Barret Blake

C# Advent 2025 - Extension Members

Claimed by: Matt Eland

16 Tips for Writing AI-Ready C# Code

Claimed by: Conrad Akunga

Dynamically Changing Decimal & Thousand Separators At Runtime

Claimed by: Rodrigo Juarez

Sentiment Analysis in C#: Azure AI Language or LLMs

Claimed by: Vladan Petrovic

TUnit: The New Sheriff in Town for .NET Testing

Claimed by: Andy Wilson

Manufacturing Certainty: Load Testing With Azure Load Testing

Claimed by: Stefan Mitic

EF Core 10 Turns PostgreSQL into a Hybrid Relational-Document DB

Claimed by: Alexey Fedorov

Your cache is not protected from cache stampede

Claimed by: Matt Mattei

Building a Fibonacci Sphere Visualizer with AI in the Loop

Claimed by: Alexandre Nédélec

From Spec to Santa: My C#‑Powered Christmas Story Generator Experiment

Claimed by: Davide Bellone

How to create and access custom C# Attributes by using Reflection | Code4IT

Claimed by: Ed Charbeneau

Building an AI-Powered Form Assistant with Blazor

Claimed by: Sam Gomez

Agent orchestration with Microsoft Agent Framework.

Claimed by: Jeffry Morris

Getting Started with Couchbase Enterprise Analytics SDK

Claimed by: Martin Zikmund

Bringing the DOOM to Uno Platform

Claimed by: Simon Painter

The Monads Were Here the Whole Time!

Claimed by: Tim Purdum

Over the River and Through the Woods

🌟 Claim This Spot! 🌟

Claimed by: Irina Dominte(Scurtu)

Api Versioning

Claimed by: Aaron LaBeau

The .NET Cross-Platform Showdown: MAUI/WinUI vs Uno vs Avalonia (And Why Avalonia Won)

Claimed by: Kyle McMaster

Santa's AI Chat App

Claimed by: Piotr Kolodziej

Evolving Intelligence: Evolutionary Algorithms and Neural Networks in C#

Claimed by: Santhosh Reddy Vootukuri

Mastering Deployment: An Easy Guide About Modern Docker Workflow for .NET 10

Claimed by: Calvin A. Allen

Creating Your Own MSBuild SDK - It's Easier Than You Think

Claimed by: Stefan Pölz

String Interning