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Tests UI across frameworks. Page objects, test selectors, async waits, accessibility.

日本語の概要は準備中です。原文の説明を表示しています。

Trims .NET 8+ apps and libraries. Annotations, ILLink descriptors, IL2xxx warnings, IsTrimmable.

日本語の概要は準備中です。原文の説明を表示しています。

Upgrades .NET to a newer TFM. LTS-to-LTS, staged through STS, preview, upgrade paths.

日本語の概要は準備中です。原文の説明を表示しています。

.NET unit test fundamentals and FIRST principles specialized skill. Used when creating unit tests, understanding testing basics, learning 3A Pattern, and mastering testing best practices. Covers FIRST principles, AAA Pattern, Fact/Theory, testing pyramid, etc. Keywords: unit test, unit test, unit testing, test fundamentals, testing fundamentals, FIRST principle, FIRST principle, 3A pattern, AAA pattern, Arrange Act Assert, Fact, Theory, InlineData, how to write tests, testing best practices, create unit test

日本語の概要は準備中です。原文の説明を表示しています。

Specialized skill for testing file system operations using System.IO.Abstractions. Use when you need to test File, Directory, Path operations, or simulate file system. Covers IFileSystem, MockFileSystem, file read/write testing, directory operation testing, etc. Keywords: file testing, filesystem, file testing, file system testing, IFileSystem, MockFileSystem, System.IO.Abstractions, File.ReadAllText, File.WriteAllText, Directory.CreateDirectory, Path.Combine, mock file system, file abstraction

日本語の概要は準備中です。原文の説明を表示しています。

Using NSubstitute to create test doubles (Mock, Stub, Spy) specialized skill. Used when isolating external dependencies, simulating interface behavior, and validating method calls. Covers Substitute.For, Returns, Received, Throws and complete guidance. Keywords: mock, stub, spy, nsubstitute, mock, test double, test double, IRepository, IService, Substitute.For, Returns, Received, Throws, Arg.Any, Arg.Is, isolate dependencies, simulate external services, dependency injection testing

日本語の概要は準備中です。原文の説明を表示しています。

Specialized skill for testing FluentValidation validators. Use when you need to create tests for Validator classes, validate business rules, or test error messages. Covers complete FluentValidation.TestHelper usage, ShouldHaveValidationErrorFor, async validation, cross-field logic, etc. Keywords: validator, validation, fluentvalidation, validation testing, UserValidator, CreateOrderValidator, TestHelper, ShouldHaveValidationErrorFor, ShouldNotHaveValidationErrorFor, TestValidate, TestValidateAsync, testing validators, validating business rules

日本語の概要は準備中です。原文の説明を表示しています。

Migrates desktop apps. WPF/WinForms to .NET 8+, WPF to WinUI or Uno, UWP to WinUI.

日本語の概要は準備中です。原文の説明を表示しています。

Decides how to test .NET code. Unit vs integration vs E2E decision tree, test doubles.

日本語の概要は準備中です。原文の説明を表示しています。

This skill provides symbol-level code understanding and navigation using Language Server Protocol (LSP). Enables IDE-like capabilities for finding symbols, tracking references, and making precise code edits at the symbol level.

日本語の概要は準備中です。原文の説明を表示しています。

Test Data Builder Pattern complete implementation guide. Used when using builder pattern to create maintainable test data or simplify complex object test preparation. Covers fluent interface, semantic methods, default value design, and Builder composition patterns. Keywords: test data builder, builder pattern test, test data builder, object mother, fluent interface, fluent interface, UserBuilder, ProductBuilder, .With(), .Build(), AUser(), test data preparation, complex object creation, semantic testing

日本語の概要は準備中です。原文の説明を表示しています。

Guide for Private and Internal member testing strategies. Use when you need to test private or internal members, configure InternalsVisibleTo, or evaluate testability design. Covers design-first thinking, reflection testing, strategy pattern refactoring, AbstractLogger pattern, and decision frameworks. Keywords: private method testing, internal testing, InternalsVisibleTo, reflection testing, GetMethod BindingFlags, Meziantou.MSBuild.InternalsVisibleTo, testability design, strategy pattern refactoring, testability

日本語の概要は準備中です。原文の説明を表示しています。

Analyzes .NET solution layout and build config -- .sln, .csproj, CPM.

日本語の概要は準備中です。原文の説明を表示しています。

Renders rich console output. Spectre.Console tables, trees, progress, prompts, live displays.

日本語の概要は準備中です。原文の説明を表示しています。

Efficient code navigation using Serena MCP symbol operations instead of text search

日本語の概要は準備中です。原文の説明を表示しています。

Specialized skill for handling complex object comparison and deep validation. Use when you need to compare deep objects, exclude specific properties, handle circular references, or validate DTOs/Entities. Covers BeEquivalentTo, Excluding, Including, custom comparison rules, etc. Keywords: object comparison, deep comparison, BeEquivalentTo, DTO comparison, Entity validation, excluding properties, circular reference, Excluding, Including, ExcludingNestedObjects, RespectingRuntimeTypes, WithStrictOrdering, ignore timestamp, exclude timestamp

日本語の概要は準備中です。原文の説明を表示しています。

Runs Slopwatch CLI to detect LLM reward hacking -- disabled tests, suppressed warnings.

日本語の概要は準備中です。原文の説明を表示しています。

Code analysis patterns using Serena MCP for architecture validation and pattern detection

日本語の概要は準備中です。原文の説明を表示しています。

Security hardening and best practices for .NET applications. Navigation skill covering OWASP Top 10, authentication, authorization, cryptography, secrets management, and secure coding. For building secure applications. Keywords: security, owasp, authentication, authorization, cryptography, jwt, oauth, secrets, hardening

日本語の概要は準備中です。原文の説明を表示しています。

Complete guide for code coverage analysis. Use when you need to analyze code coverage, generate coverage reports, or configure CI/CD coverage checks. Covers Coverlet configuration, report generation, metric interpretation, and cyclomatic complexity integration. Includes Fine Code Coverage, VS Code built-in tools, and best practices. Keywords: code coverage, coverage analysis, coverage report, Coverlet, Fine Code Coverage, dotnet-coverage, ReportGenerator, line coverage, branch coverage, cyclomatic complexity, runsettings, cobertura

日本語の概要は準備中です。原文の説明を表示しています。

Automates browser tests in .NET. Playwright E2E, CI browser caching, trace viewer, codegen.

日本語の概要は準備中です。原文の説明を表示しています。

Optimizes .NET allocations and throughput. Span, ArrayPool, ref struct, sealed, stackalloc.

日本語の概要は準備中です。原文の説明を表示しています。

Specialized skill for containerized database testing using Testcontainers. Use when testing real database behavior, using SQL Server/PostgreSQL/MySQL containers, testing EF Core/Dapper. Covers container startup, database migrations, test isolation, container sharing. Keywords: testcontainers, container testing, database testing, MsSqlContainer, PostgreSqlContainer, MySqlContainer, EF Core testing, Dapper testing, Testcontainers.MsSql, Testcontainers.PostgreSql, GetConnectionString, IAsyncLifetime, CollectionFixture

日本語の概要は準備中です。原文の説明を表示しています。

Serializes data. System.Text.Json source generators, Protobuf, MessagePack, AOT-safe patterns.

日本語の概要は準備中です。原文の説明を表示しています。