What kind of anti-patterns can it detect?

It flags several specific anti-patterns including 'CanSetProperties' (trivial tests), 'DomainMock' (mocking business entities), and 'AssertionOverload' (too many unrelated assertions).

Does this skill require any dependencies?

Yes, it requires the 'superpowers' plugin which provides the base code-reviewer agent and template structure used by this skill.

What testing frameworks does this skill support?

This skill is specifically optimized for projects using xUnit and NSubstitute, focusing on behavioral testing patterns and proper mock boundaries.

Can it help improve database performance?

Absolutely. It checks for common EF Core pitfalls such as N+1 queries, incorrect DbContext lifetimes, and missing server-side evaluation in LINQ.

.NET Code Quality & Test Reviewer

Name: .NET Code Quality & Test Reviewer
Author: fiatkongen

byfiatkongen

0•

Security & Testing

Enforces high-quality .NET and C# standards through automated reviews of behavioral tests, NSubstitute mocks, and EF Core patterns.

This skill enhances the Claude Code review process by providing a specialized framework for auditing .NET implementations. It prioritizes behavioral testing over structural testing, ensuring that xUnit suites catch real bugs rather than verifying trivial property assignments. The skill identifies specific .NET anti-patterns, optimizes EF Core database interactions like N+1 queries, and validates integration test infrastructure using CustomWebApplicationFactory. It is ideal for teams looking to maintain a high-bar for maintainability and performance in C# codebases while leveraging AI to catch subtle architectural and testing flaws.

Key Features

01Comprehensive xUnit test quality auditing including behavioral and assertion checks

02NSubstitute mock boundary validation to prevent domain-level mocking

03Integration with the superpowers code-reviewer for unified spec and quality reports

04EF Core performance reviews focusing on N+1 queries and AsNoTracking usage

05Detection of common C# anti-patterns like CanSetProperties and MockVerifyOnly

060 GitHub stars

Use Cases

01Auditing legacy C# test suites to replace brittle structural tests with robust behavioral tests

02Optimizing database access patterns and LINQ queries in EF Core implementations

03Reviewing a completed .NET feature branch for production readiness and test integrity

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add fiatkongen/saurun-marketplace dotnet-code-quality-reviewer-prompt

For use in Claude.ai and ChatGPT

Download Skill