dotnet-backend-patterns

Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dapper, configuration, caching, and testing with xUnit. Use when developing .NET backends, reviewing C# code, or designing API architectures.

1.19x

Quality

75%

Does it follow best practices?

Impact

85%

1.19x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

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Evaluation results

88%

13%

Multi-Channel Shipment Notification Service

Async patterns and service design

Criteria

Without context

With context

Parallel dispatch

100%

ConfigureAwait(false)

100%

ValueTask hot path

No blocking calls

100%

No async void

100%

CancellationToken propagation

100%

Result<T> return type

50%

80%

Typed configuration via IOptions

100%

Record types for models

100%

IServiceCollection extension

100%

84%

13%

Order Management Backend with EF Core

EF Core data access patterns

Criteria

Without context

With context

AsNoTracking on reads

50%

100%

DTO/projection select

Include and ThenInclude

100%

AsSplitQuery

Compiled query

100%

ExecuteUpdateAsync bulk

100%

DbContext pooling

100%

Retry on failure

100%

IEntityTypeConfiguration

100%

Column constraints

100%

Indexes defined

100%

Global soft-delete filter

100%

84%

20%

High-Performance Product Catalog Search with Caching

Dapper patterns and caching

Criteria

Without context

With context

CommandDefinition + CT

100%

DynamicParameters

100%

QueryMultiple pagination

44%

100%

IDbConnectionFactory

100%

No SQL injection

100%

Multi-mapping splitOn

22%

Two-tier cache check

Consistent cache keys

100%

Stale-while-revalidate

100%

Mock dependencies + _sut

55%

100%

Theory + InlineData

100%

Repository: Dicklesworthstone/pi_agent_rust
Commit: 47823e3

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Multi-Channel Shipment Notification Service Order Management Backend with EF Core High-Performance Product Catalog Search with Caching

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