The .NET News Daily Issue #438

https://nestenius.se/ai/visualizing-claude-code-mcp-requests-with-coding-agent-explorer/

Model Context Protocol (MCP) servers are becoming a key part of how Claude Code extends its capabilities. They give the agent access to documentation, code search, external APIs, and much more. But wh...

https://mareks-082.medium.com/architectural-tests-in-net-1bd5d19b0ba8?source=rss------dotnet-5

Every codebase has an intended shape. Maybe not every single one, but in any non-trivial system, some level of consistency is essential.

https://www.code4it.dev/blog/send-slack-messages-using-azure-logic-apps/

As you may know, you can send Slack notifications using Azure Logic Apps. Yes, there is a built-in connector; but, frankly, using the Slack API gives you better results.

https://markheath.net/post/2026/4/13/refactor-solid-csharp

It aims to provide C# developers with practical techniques and strategies to tackle the unique challenges of working in legacy codebases, such as dealing with technical debt, modernizing outdated depe...

https://www.meziantou.net/suppressing-roslyn-analyzer-warnings-programmatically-using-diagnosticsuppressor.htm

Roslyn analyzers are great for enforcing coding standards and finding bugs. However, they can sometimes report false positives or warnings you want to ignore in specific contexts. You can suppress the...

https://towardsdev.com/your-migrations-source-of-truth-why-the-assessment-phase-changes-everything-in-net-modernization-c0f10ca4ae5e?source=rss------dotnet-5

A few weeks ago, I found myself thinking about something many developers eventually face — but rarely feel fully prepared for: Continue reading on Towards Dev »

https://www.roundthecode.com/dotnet-tutorials/validate-dotnet-configuration-startup

Learn how to validate .NET configuration on startup using data annotations or FluentValidation, so your app fails fast and never ships with broken config. The page Validate .NET configuration on start...

https://www.mergeconflict.fm/510

James and Frank dig into the messy world of AI agents—Claudes, Copilots, “claws”—and why now is the wrong time to over-box these tools. They debate GUI vs. CLI futures, explain when AI should be invis...

https://medium.com/@EnesEfeTokta/entity-framework-core-perhaps-the-most-beloved-tool-of-the-net-world-ebd2717538b2?source=rss------dotnet-5

Entity Framework Core (EF Core) has become one of the most widely used and appreciated tools in the ASP.NET

https://www.c-sharpcorner.com/article/oop-in-c-sharp-deeper-understanding-for-freshers/

Unlock the power of OOP in C#! This beginner-friendly guide simplifies encapsulation, inheritance, polymorphism, and abstraction with real-world examples. Build better C# applications!

https://devblogs.microsoft.com/agent-framework/agent-skills-in-net-three-ways-to-author-one-provider-to-run-them/

Your agents can now draw on skills authored in three different ways – as files on disk, as inline C# code, or as encapsulated classes – and combine them freely in a single provider. Add built-in scrip...

https://medium.com/@janindumaleesha99/jwt-authentication-with-introduction-to-net-to-the-layperson-6dec3d642be3?source=rss------dotnet-5

I have tried it now, so you need not.

https://medium.com/@gabrieletronchin/c-net-upgrading-a-mediator-pipeline-project-with-kiro-spec-first-02fc30b7ee63?source=rss------csharp-5

Upgrading a MediatR project to .NET 10 with Kiro IDE: testing the spec-first workflow to see how it performs and my overall impressions.

https://medium.com/@w.basanets2301/clean-architecture-in-net-10-a92842c57078?source=rss------csharp-5

As a project grows, the classic three-tier architecture (N-Layer) often turns into a “spaghetti” of dependencies, where business logic is…