Transient vs Scoped vs Singleton: the DI bug that put Ada's laptop in Bob's cart
Bob opens his shopping cart and finds a laptop he never added. Ada added it, on a different computer, a few minutes earlier. Nothing was hacked. One…
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Human-in-the-Loop AI Drafts in ASP.NET Core: Approval Queues, Audit Trails, and Safe Sending
When I add AI to an existing support, ERP, or CRM application, my first release boundary is simple: the model drafts; an authorized person decides w…
Building an Agentic System in .NET, Part 5: Designing an Agent Bus in ASP.NET Core
Multi-agent systems fail in boring ways: two agents claim the same task, a disconnected agent misses its hand-off, a heartbeat proves the TCP socket…
Looking for feedback on a library I built to auto-wire API validation errors to Blazor WASM form fields
Hey everyone! I recently got tired of writing repetitive code to catch server-side API errors and display them in the UI. To solve this, I built…
How to Add JWT Authentication to SignalR Hubs in ASP.NET Core
SignalR makes real-time communication in .NET applications simple. You can send live data, notifications, and streaming updates to clients with mini…
Api Key Authentication in ASP .NET Core
Introduction Not every API needs users, tokens, and a login flow. An internal service that another service calls, a webhook receiver, a partner inte…
Email Is Not a Web Page
An HTML email can be generated correctly, accepted by a provider, and delivered successfully—then arrive with its most important image missing or tr…
ASP.NET Core Output Caching: How to Make Web APIs Faster in .NET
ASP.NET Core Output Caching: How to Make Web APIs Faster in .NET When an API receives the same request repeatedly, performing the same database quer…
MFA Enabled Is Not MFA Verified
A two-factor flag in the user store looks like a reassuring authorization check. It tells us the account has a second factor configured. For a sensi…
Turn the ASP.NET Core Web API you already have into an MCP server
Nabu.NET — turn your ASP.NET Core Web API into an MCP server with one attribute · Repo: https://github.com/hovik-aghajanyan/nabu.net · Docs: https:/…
Two JWT Bearer Schemes, One API: A Real ASP.NET Core Setup
Most ASP.NET Core auth tutorials assume a single JWT scheme: one token, one identity, one [Authorize] and you're done. Real systems don't always fit…
Graceful Degradation Must Fail Closed
Graceful degradation sounds simple: if one dependency is unavailable, keep the independent parts of the application running. That is the right goal.…
The Factory Class I Finally Deleted
The PR added a WhatsApp notification channel. Three changes: a new WhatsAppSender class, fair. Its registration, fair. And NotificationSenderFactory…
What is OpenIddict: the .NET framework developers choose for OAuth 2.0 and OpenID Connect
I've been writing a short series on OpenIddict basics while preparing IdentitySuite's v3.0 release — here's part 1. The .NET framework developers ch…
Blazor SSR Gets Client-Side Validation in .NET 11 Preview 5 — No More Round-Trips Just to Show a Red Border
Blazor SSR Gets Client-Side Validation in .NET 11 Preview 5 If you've built Blazor Server-Side Rendering (SSR) forms, you know the pain: a user fill…
How I Am Building an AI Meeting Assistant in ASP.NET Core (And Avoided Timeout Nightmares)
For my 4rd-year Software Engineering final project at university, I’m building an AI Meeting Assistant. The core feature is simple: A user uploads a…
ASP.NET Core Request & Exception Logging with a Built-In Dashboard
Most ASP.NET Core logging setups tell you that something failed — but not what actually happened during the request lifecycle. I built AsGuard to pr…