Swevo 

Compile-time dependency injection auto-registration for .NET using Roslyn source generators. Add [Scoped], [Singleton], or [Transient] to your classes — AutoWire generates IServiceCollection registration code... More information

Compile-time object mapping for .NET via Roslyn source generators. Add [Map(typeof(Dto))] to your domain class — AutoMap generates strongly-typed ToDto() extension methods at build time. Zero reflection, zero... More information

ASP.NET Core health checks for Polly v8 circuit breakers — expose circuit-breaker state (Closed, HalfOpen, Open, Isolated) as /health endpoint responses. One line of registration. Works with Kubernetes... More information

OpenTelemetry instrumentation for Polly v8 resilience pipelines. Emits distributed traces (Activity spans) and metrics for retry, circuit breaker, timeout, and rate limiter strategies.

Backoff delay strategies for Polly v8 resilience pipelines. Provides decorrelated jitter, exponential, linear, and constant backoff as DelayGenerator delegates for RetryStrategyOptions.

Compile-time strongly-typed ID generation for .NET using Roslyn source generators. Add [StronglyTypedId] to any readonly partial struct and get a fully-featured value type with EF Core ValueConverter and... More information

Compile-time soft-delete generation for EF Core entities using Roslyn source generators. Add [SoftDelete] to any partial class and get IsDeleted and DeletedAt properties, a SaveChangesInterceptor that converts... More information

Offset and cursor-based pagination for EF Core. ToPageAsync for offset pagination with TotalCount/TotalPages/HasNextPage. ToCursorPageAsync for keyset pagination with opaque Base64 cursors. Zero extra... More information

Compile-time Result<T> monad for .NET using Roslyn source generators. Emits Result<T>, Result<T,TError>, Unit and ResultExtensions into your compilation. Use [TryWrap] on a partial class to generate Try*()... More information

Lightweight test doubles for MassTransit request/response and publish patterns. FakeRequestClient<TRequest> captures requests and returns configured responses without running the full MassTransit test harness.... More information

FakeHttpMessageHandler for unit-testing HttpClient calls without mocking frameworks. Fluent setup, JSON responses, request recording, and built-in verification. Zero dependencies.

Polly v8 resilience pipelines for Entity Framework Core — wrap every EF Core query and SaveChanges with retry, timeout and circuit-breaker via a single AddPollyResilience() call. Works with SQL Server,... More information

Polly v8 resilience interceptor for gRPC. Wraps unary and server-streaming gRPC calls with retry, circuit breaker, and timeout using a Grpc.Core Interceptor. Works with Grpc.Net.Client and GrpcChannel — drop-in... More information

Compile-time guard clauses for .NET — [AutoGuard] + [NotNull]/[InRange]/[NotEmpty]/[Matches] generates constructor argument validation from primary constructor parameters.

Compile-time JSON column configuration for EF Core 8+ — [JsonColumn] on owned navigation properties generates ConfigureJsonColumns(ModelBuilder) with OwnsOne(..., b => b.ToJson()) automatically.

Compile-time audit field generation for EF Core entities using Roslyn source generators. Add [Auditable] to any partial class and get CreatedAt, UpdatedAt, CreatedBy, and UpdatedBy properties plus a... More information

Transactional outbox pattern for EF Core + MassTransit. Add outbox messages atomically with your domain changes via a SaveChangesInterceptor, then publish them reliably via a background processor. Zero message... More information

Fluent, idempotent, dependency-ordered seed data for EF Core. Define IEntitySeed<T> classes, declare dependencies, call SeedDatabaseAsync() on startup. Seeds skip automatically when data already exists.

Chaos engineering and fault-injection resilience strategies for Polly v8 pipelines. Inject faults and latency at a configurable rate to harden your services against failure. The Simmy-style chaos companion for... More information

Compile-time high-performance logging for .NET using Roslyn source generators. Add [Log(LogLevel.Information, "Message {Param}")] to a partial method — AutoLog generates LoggerMessage.Define calls at build... More information