Practical .NET guides covering runtime performance, dependency injection, testing, APIs and cloud applications, with C# examples by Benjamin Abt.
builder.Services.AddProblemDetails() registers infrastructure. It does not create an error contract. An ASP.NET Core request can fail during binding, validation, authentication, authorization, endpoint execution, …
Read Blog Post
Retries are the most visible resilience strategy and the easiest one to misuse. Repeating a failing call can recover from a short network problem. It can also multiply load, repeat a write and keep working long after the …
Read Blog Post
ASP.NET Core 11 has no single feature that fundamentally changes how web applications are built. That is not a criticism. Mature frameworks improve by removing custom infrastructure, tightening defaults and making common …
Read Blog Post
Microsoft Agent Framework is the successor to the agent capabilities in Semantic Kernel and AutoGen. That statement is easy to misread as “replace the package and rename a few classes.” The migration is more …
Read Blog Post
An MCP server can look deceptively small. A package is installed, a method receives an attribute and ASP.NET Core maps an endpoint. That is enough for a demonstration. It is not enough for a server that is allowed to …
Read Blog Post
Telemetry, logging and auditing are often implemented through the same API because all three produce timestamped records. That similarity is superficial. They answer different questions, tolerate different failure modes …
Read Blog Post
Temporary data is easy to create and surprisingly difficult to remove reliably. Sessions, idempotency keys, import buffers, transient integration responses, processed-message markers and short-lived audit records all …
Read Blog Post
Applications that do not use ASP.NET Core Identity still need a disciplined password-storage design. This often leads to a requirement phrased as “password encryption.” That phrase is dangerous because encryption is …
Read Blog Post
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 …
Read Blog Post
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 …
Read Blog Post