SebastienDegodez/copilot-instructions

The project serves as a structured 'prompt gallery' or configuration template for .NET developers using GitHub Copilot. While it has 178 stars—indicating a genuine desire for standardized AI guardrails in enterprise C# environments—the project lacks any technical moat. It consists entirely of Markdown files that provide instructions to an LLM. As GitHub continues to mature its official support for '.github/copilot-instructions.md' and IDEs like Cursor popularize '.cursorrules', these manual collections face massive displacement risk from platform-native features. The project is essentially a snapshot of prompt engineering best practices for a specific point in time. Frontier labs and Microsoft are actively building more sophisticated context-injection and RAG-based systems that will likely render static instruction files obsolete by automatically inferring architectural patterns from the codebase itself. Its value is as a reference, not as a defensible software product.