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---
name: dotnet-backend-patterns
description: "Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dapper, configuratio..."
risk: unknown
source: rootcastle-rei
---
# .NET Backend Development Patterns
Master C#/.NET patterns for building production-grade APIs, MCP servers, and enterprise backends with modern best practices (2024/2025).
## Use this skill when
- Developing new .NET Web APIs or MCP servers
- Reviewing C# code for quality and performance
- Designing service architectures with dependency injection
- Implementing caching strategies with Redis
- Writing unit and integration tests
- Optimizing database access with EF Core or Dapper
- Configuring applications with IOptions pattern
- Handling errors and implementing resilience patterns
## Do not use this skill when
- The project is not using .NET or C#
- You only need frontend or client guidance
- The task is unrelated to backend architecture
## Instructions
- Define architecture boundaries, modules, and layering.
- Apply DI, async patterns, and resilience strategies.
- Validate data access performance and caching.
- Add tests and observability for critical flows.
- If detailed patterns are required, open `resources/implementation-playbook.md`.
## Resources
- `resources/implementation-playbook.md` for detailed .NET patterns and examples.
---
> 🏰 **Rei Skills** — Curated by [Rootcastle Engineering & Innovation](https://www.rootcastle.com) | Batuhan Ayrıbaş
> Engineering Beyond Boundaries | admin@rootcastle.com
