The 2.0 release of the official Model Context Protocol (MCP) C# SDK is more than a version increment. It implements the 2026-07-28 MCP specification revision, which changes the default shape of MCP over HTTP. The …
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Time is an external dependency. That may sound unusual at first because DateTime.UtcNow is available anywhere without configuration. This convenience becomes a problem as soon as business rules depend on the current …
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Error responses are part of an API contract. Still, many systems grow them incidentally: one endpoint returns { "error": "not found" }, another returns an array of validation errors, a gateway adds its own structure and …
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ASP.NET Core applications are usually released often enough that versioning stops being a documentation concern and turns into delivery infrastructure. Once an application moves through CI, staging, production, …
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Distributed applications tend to feel straightforward until a real cloud dependency enters the picture. Azure Cosmos DB is a good example. In Azure, the preferred model is usually clear: the application should connect …
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The .NET team just released the first preview of .NET 11 and there is already a lot to talk about. While this is an early preview - not a release candidate - the breadth of changes touching the runtime, libraries, …
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Feature management is a key technique in modern web applications, allowing you to enable or disable features dynamically without redeploying your code. In ASP.NET Core, the Microsoft.FeatureManagement library provides a …
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Feature flags are a great way to ship safely, run experiments and keep production changes reversible. In .NET, the de-facto standard is Microsoft.FeatureManagement .
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Like many developers, my blogging journey started with WordPress. More than 20 years ago. It was convenient, widely supported and quick to set up. But over time, the drawbacks began to pile up: security issues, constant …
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Nowadays, you can’t actually run a website on the Internet without having a protection mechanism against content bots. One possibility is the use of CAPTCHAs. CAPTCHAs are small tasks that a human can easily solve, but a …
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There are various reasons why it is useful to channel certain requests through your own application to an external endpoint; the most obvious is, for example, as a workaround for client statistics from browser adblockers …
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Auditing is becoming increasingly important in the everyday life of a developer; however, until now there was no particularly good way in .NET - even the lock file still has its deficiencies. You had to rely on …
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TLDR; You can see the full sample in my GitHub repository BEN ABT Samples - ASP.NET Core Form protection with Cloudflare’s Turnstile
Read Blog PostOne of the last blog posts (Text and EMail Templates with Handlebars.NET ) was generally about HandleBars.NET - a very popular template engine. This post is about how you can easily implement layouts with Handlebars.
Read Blog PostA frequent requirement in apps is the conversion of templates, e.g. for sending e-mails, for PDF templates or other text modules. There are many different ways to do this, ranging from simple string replacements to the …
Read Blog PostThere are various ways to deploy an application, but Zip deployment is the variant that is recommended the most - regardless of whether you are using Azure, AWS or other cloud and hosting providers.
Read Blog PostConfiguring an ASP.NET Core application can be done in a variety of ways, including using command-line arguments, environment variables and JSON files. One way to ensure that the options you have configured for your …
Read Blog PostOften you have the requirement that you need or want to add additional claims to a token - either the, ID token or the access token. This is especially useful when one needs an additional custom enrichment that is not …
Read Blog PostDas Microsoft ASP.NET Team hat nun die Roadmap zu .NET 7 veröffentlicht. Der Release ist für November 2022 geplant. Der GitHub Link: ASP.NET Core Roadmap for .NET 7
Read Blog PostIn my last blog post I shared why we wrote our own user agent parser (mycsharp/HttpUserAgentParser ) in .NET (reason: performance).
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What is GitHub Actions? GitHub Actions is the counterpart to Azure DevOps Pipelines: a fully configurable automation tool for setting up workflows, such as building, testing and publishing software and applications.
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Many websites protect themselves from automated access with reCaptcha, a Google company. The top dog can be found on almost every website.
Read Blog PostNachdem Microsoft nun die erste Preview von .NET 5 veröffentlicht hat stellt sich die Frage: was kommt eigentlich mit ASP.NET Core 5?
Read Blog PostOpenSearch OpenSearch is a standard that has existed for about 15 years and is used by search engines and Browsers.
Read Blog PostIn the ASP.NET Core Identity environment, the PasswordHasher is responsible for securely storing the password and performing password entry checks.
Read Blog PostWhat are Model Binders? ModelBinders are required in ASP.NET Core to pass parameters from HTTP requests into a controller action method.
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Serverless Serverless is on everyone’s lips; in the .NET area it means mainly Azure Functions. In principle Serverless is all about not having to worry about scaling yourself - and that is much more than just Azure …
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AWS (Amazon Web Services) offers an extra toolkit for Visual Studio 2017 and Visual Studio 2019 that integrates seamlessly to create projects based on AWS products.
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Twitch Twitch is the leading streaming platform for video games and Co. Starting small, Twitch hosts monthly over 3.5 million streamers that can be watched over the shoulder while playing games, cooking or driving a car. …
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When ASP.NET Core receives a web request, it routes the request to a specific action - a method that matches the route - of a controller.
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I gave my PC a new Windows installation and run into the following error: Unable to start process C:\Program Files\dotnet\dotnet.exe. The web server request failed with status code 500, Internal Server Error. The full …
Read Blog PostDue to my daily business, I have created a series of sample projects how to develop and evolve a modern API with the help of ASP.NET Core.
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Sometimes you still have the requirement that the .NET Framework is needed - but you still want to use ASP.NET Core and Docker.
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Idea YAML builds are a very common way to define builds in AppVeyor, but in Visual Studio Team Services (VSTS) this feature is pretty new - and still in beta.
Read Blog PostI like my ASP.NET Core controllers and actions very clean and I recommend to not catch all Exceptions inside your Action.
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Yesterday the Microsoft Teams have updated their roadmaps of .NET Core, ASP.NET Core and EF Core in focus of the next version 2.1:
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By default, ASP.NET Core suppresses Exceptions on Startup on external environments. So you only get Exceptions in Startup on localhost.
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Bereit bei ASP.NET 4 konnte man mit Hilfe von OWIN - Open Web Interface for .NET - Middleware-Implementierungen sehr einfach und robust umsetzen. Middlewares bieten hier eine Pipeline, sodass verschiedene Middleware …
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Seit Ende Juni steht ASP.NET Core 1 als RTM zur Verfügung - und es erfreut sich großer Beliebtheit! In diesem mehrteiligen Beitrag möchte ich einen Einstieg für Interessierte bieten.
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Hello world Hier ein vollständiges und minimales Beispiel, wie eine simple Hello World Anwendung in ASP.NET Core 1 aussehen kann:
Read Blog PostWas ist OData? Doch zunächst etwas Vorgeschichte Seit es Schnittstellen (API) zum Austausch von Daten gibt, gibt es die Unsicherheit, welche Daten von einem Webservice zurückgegeben werden – es hat die Semantik, ein …
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