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Found 1,589 Skills
Review Playwright tests for quality. Use when user says "review tests", "check test quality", "audit tests", "improve tests", "test code review", or "playwright best practices check".
Best practices for writing MSTest 3.x/4.x unit tests. Use when the user needs to write, improve, or review MSTest tests, including modern assertions, data-driven tests, test lifecycle, and common anti-patterns. Covers MSTest.Sdk, sealed classes, Assert.Throws, DynamicData with ValueTuples, TestContext, and conditional execution.
Guidance for dependency injection in .NET MAUI apps — service registration, lifetime selection (Singleton/Transient/Scoped), constructor injection, automatic resolution via Shell navigation, explicit resolution patterns, platform-specific registrations, and testability best practices. USE FOR: "dependency injection", "DI registration", "AddSingleton", "AddTransient", "AddScoped", "service registration", "constructor injection", "IServiceProvider", "MauiProgram DI", "register services". DO NOT USE FOR: data binding (use maui-data-binding), Shell route setup (use maui-shell-navigation), or unit test mocking patterns (use maui-unit-testing).
Analyze Swift Package Manager dependencies, package plugins, module variants, and CI-oriented build overhead that slow Xcode builds. Use when a developer suspects packages, plugins, or dependency graph shape are hurting clean or incremental build performance, mentions SPM slowness, package resolution time, build plugin overhead, duplicate module builds from configuration drift, circular dependencies between modules, oversized modules needing splitting, or modularization best practices.
Use when designing, planning, implementing, or reviewing any non-trivial change — enforces defense in depth, input validation, secure defaults, and OWASP best practices to prevent vulnerabilities before they ship
Best practices for Remotion - Video creation in React. 29 domain-specific rules covering 3D, animations, audio, captions, charts, transitions, and more.
Guidelines for C# development including Blazor, Unity game development, and .NET backend best practices
ALWAYS use when working with Angular Resource, Angular 19 resource API, or new async data loading with signals.
Idiomatic Rust development with focus on safety, performance, and ergonomics. Expert in async/await, error handling, trait design, and the Rust ecosystem.
Salesforce Flow architecture decisions, flow type selection, bulk safety validation, and fault handling standards. Use this skill when designing or reviewing Record-Triggered, Screen, Autolaunched, Scheduled, or Platform Event flows to ensure correct type selection, no DML/Get Records in loops, proper fault connectors on all data-changing elements, and appropriate automation density checks before deployment.
[QianWen] Configure authentication (API keys, endpoints). TRIGGER when: setting up QIANWEN_API_KEY, troubleshooting 401/auth errors, when another skill reports missing credentials, or user explicitly invokes this skill by name (e.g. use qianwen-ops-auth). DO NOT TRIGGER when: non-auth Qwen tasks, general API usage questions.
XYO Protocol 2.0 domain knowledge. Covers payloads, bound witnesses, schemas, the module system (archivist, diviner, witness, sentinel, node), accounts, wallets, and protocol best practices. Activates when building on XYO or working with @xyo-network packages.