Quick fixes for working engineers

Cursor + .NET — direct answers

Short, scannable pages that answer the specific Cursor problems senior C#/.NET engineers actually hit. Each page links to the long-form essay for the full reasoning.

Guide 6 min

Cursor rules for .NET engineers — scoped .mdc + LEARNING_LOG

Directory-scoped AI coding rules and architectural persistence for Cursor on senior C#/.NET codebases.
Read the guide ?
.NET DI 4 min

Cursor suggested a Scoped?Singleton DI bug — how to catch it before merge

The captured-dependency lifetime bug AI assistants ship constantly, why training data is to blame, and the constructor-audit rule that catches it.
Read the fix ?
Persistence 4 min

Cursor forgets your architecture every session — here's how to stop it

The 15-minute morning ritual senior engineers pay to a forgetful AI — and the directory-scoped persistence pattern that ends it.
Read the fix ?
Hallucination 3 min

Cursor keeps inventing .NET methods that don't exist — here's the seven-word fix

The correction spiral, why it happens, and the circuit-breaker rule that forces grounding before the next suggestion.
Read the fix ?
Error model 3 min

Teach Cursor to use Result<T> instead of throw in C#

Why your in-chat corrections don't stick, and the one committed rule that teaches the AI your error model across every session.
Read the fix ?

Looking for the long-form?

The Agentic Architect blog has the full essays plus a daily senior rule for Cursor + .NET, published every weekday.

Try the free sample rule ?

Cursor + .NET — direct answers

Cursor rules for .NET engineers — scoped .mdc + LEARNING_LOG

Cursor suggested a Scoped?Singleton DI bug — how to catch it before merge

Cursor forgets your architecture every session — here's how to stop it

Cursor keeps inventing .NET methods that don't exist — here's the seven-word fix

Teach Cursor to use Result<T> instead of throw in C#

Looking for the long-form?

Teach Cursor to use `Result<T>` instead of `throw` in C#