Agent Framework RAG for Agents: Giving Your Agent the Right Context
This is Part 13 of my series on the Microsoft Agent Framework. You can read the original post over on lukaswalter.dev . In the previous article , we l…
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Part 8: Persistence and State - EF Core, Migrations, and Reliability
In the last part, we looked at how expressions make your workflows dynamic. Today, we are discussing the backbone of any production-ready system: Pers…
The AI-generated C# that passes review and breaks in production
TL;DR — AI assistants are producing C# that looks correct and passes review, but reintroduces production regressions we spent years training out of te…
After 4 months solo: shipping a Windows tray AI hotkey on .NET 8 + WPF (and the Win32 paste-back rabbit hole)
I spent 4 months of nights and weekends building CapyBro — a Windows tray app that runs AI on any selected text via a global hotkey. Native .NET 8 + W…
5 Surprises Migrating .NET Framework to .NET 9 with Claude Opus
5 Surprises Migrating .NET Framework to .NET 9 with Claude Opus My workflow before this little experiment was pretty standard for a .NET Framework to …
How to Import Excel Data in ASP.NET Core (Upload, Parse and Read Worksheets)
Importing data from Excel is a common requirement in ASP.NET Core applications. Whether you're building an HR system, inventory platform, CRM, or fina…
Winber game maker
I'm building a Vulkan game engine in C# — Meet Winber Engine Hey Dev.to community! 👋 I've been working on something I'm really proud of — a game engin…
Building software in C#: part 2 - code architecture
In my previous post, I described how historical trends shaped our (or at least my) perception of software architecture. However, with experience and s…
Clean Architecture in .NET Explained (The Dependency Rule)
If you've ever upgraded EF Core and had to touch 300 files, or tried to unit-test a single business rule and realized you needed a running database fi…
Introducing LogicGrid — Multi-Agent AI Orchestration for .NET
If you've spent any time building with LLMs, you've probably hit the wall: a single prompt only gets you so far. Stuff too much into one prompt and th…
7 overlooked .Net features
.Net is constantly evolving, a new version comes out every year, and it's easy to lose track of some of the useful changes. I compiled a list of 7 (mo…
The Context Tax: Why Every Cursor Session Costs You 15 Minutes
There's a hidden cost senior engineers pay every morning when they open Cursor. It compounds quietly, it doesn't show up on any dashboard, and at a ty…
7 Document Processing Tasks Every .NET Developer Should Automate
Document processing is one of the most repetitive parts of many .NET applications. From generating PDF invoices and Excel reports to filling Word temp…
redb.Route — Apache Camel for .NET: 22 transports, 30+ EIP patterns, compiled DSL
Apache Camel has been solving enterprise integration on the JVM since 2007 — 22k stars, 300+ transports, hundreds of production deployments at banks, …
I spent a year building Apache Camel for .NET. Here's the honest state of it.
DEVTO — Article #2 (Series: redb ecosystem) Meta Title: I spent a year building Apache Camel for .NET. Here's the honest state of it. Tags: dotnet, cs…
Structured Output in .NET Agents
This is Part 8 of my series on the Microsoft Agent Framework. You can read the original post over on lukaswalter.dev . LLMs are good at generating tex…
I Built a Production AI Layer Inside a Legacy ASP.NET Core App — and It Broke in Ways Tutorials Never Mention
Introduction Most LLM tutorials assume you start from nothing. A blank project. A clean architecture. No constraints. No legacy code. No deployment hi…
Why I built Parlotype: a privacy-first voice-to-English desktop app on .NET 10
The friction I've been shipping production code for 20 years across five languages — C, C++, Java, Scala, and now C#. My English is decent enough for …
How I, knowing only IF, vibecoded CivicSurvival: a 158K-line mod for Cities: Skylines II, a RAG server, and 300 analyzers in 3 months
Where I started My name is Valentyn Kurchenko-Hai. I currently teach English; coding is a hobby. My programmer background fits in one sentence: I don'…
I wrote a .NET assertion library to understand assertion libraries
I have been working on a .NET assertion library called Axiom Assertions. It started as a way to learn how assertion libraries work, then grew into an …
I shipped a polished hanafuda card game in 2 days with Claude and Godot
I just released Shin KoiKoi — a free, polished take on the traditional Japanese card game Hanafuda Koi-Koi . Solo dev, 2 days from kickoff to itch.io …