AI
Plugins and skills
Plugins and skills that teach AI coding assistants .NET work: EF Core, testing, MSBuild, diagnostics, upgrades and more. Collected every morning from selected GitHub repositories; each one is reviewed and summed up in a sentence before it is listed.
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playwright-ci-caching
Has the assistant cache Playwright browser binaries in GitHub Actions and Azure DevOps, keyed by the Microsoft.Playwright version in Directory.Packages.props.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill playwright-ci-caching -a github-copilot -
r3-reactive-extensions
Has the assistant build event streams with R3, applying its OnErrorResume error contract and its differences from System.Reactive correctly.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill r3-reactive-extensions -a github-copilot -
sdk-container-publishing
Has the assistant build a .NET service container image with dotnet publish /t:PublishContainer, without a Dockerfile, covering tagging, base image choice and registry push.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill sdk-container-publishing -a github-copilot -
serialization
Has the assistant choose a serialization format for APIs, messaging and caching, and set up System.Text.Json source generation for AOT-compatible JSON.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill serialization -a github-copilot -
snapshot-testing
Has the assistant write Verify snapshot tests for API surfaces, HTTP responses and rendered emails, catching unintended output changes against approved baselines.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill snapshot-testing -a github-copilot -
testcontainers-integration-tests
Has the assistant write xUnit integration tests against real databases, Redis and message queues in Testcontainers instead of mocks.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill testcontainers-integration-tests -a github-copilot -
type-design-performance
Has the assistant design .NET types for performance by sealing classes, using readonly structs, writing pure static methods and picking suitable collection types.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill type-design-performance -a github-copilot -
verify-email-snapshots
Has the assistant write Verify snapshot tests for rendered email HTML so template regressions show up as reviewable diffs.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add Aaronontheweb/dotnet-skills --skill verify-email-snapshots -a github-copilot -
api-versioning
Has the assistant add Asp.Versioning to an ASP.NET Core API with URL, header or query string versioning, deprecate old versions and wire up OpenAPI.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add codewithmukesh/dotnet-claude-kit --skill api-versioning -a github-copilot -
arch-check
Has the assistant scan code against its declared architecture (VSA, Clean, DDD, Modular Monolith) and report dependency-direction breaks, cycles and module boundary leaks via Roslyn analysis.
Install for GitHub CopilotNot in GitHub Copilot's marketplace; install it on its own.
npx skills add codewithmukesh/dotnet-claude-kit --skill arch-check -a github-copilot