Testing and QA

Audit SwiftUI view performance end-to-end, from instrumentation and baselining to root-cause analysis and concrete remediation steps.

You have access to workflow skills for structured development.

Always use gh instead of curl , wget , or WebFetch for GitHub URLs. The gh CLI uses the user's authenticated token automatically, so it:

The project evolves quickly. Always consult these sources for up-to-date details:

Source details, install context, and public review data are available on the full page.

Box is a cloud-based content management and file sharing service. It's used by businesses of all sizes to securely store, access, and collaborate on files from anywhere. Think of it as a more business-focused alternative to Dropbox or Google Drive.

Expert guidance for Dart programming, Flutter framework, mobile development, and cross-platform applications.

Comprehensive rules for building iPad-native apps following Apple's Human Interface Guidelines. iPad is not a big iPhone -- it demands adaptive layouts, multitasking support, pointer interactions, keyboard shortcuts, and inter-app drag and drop. These rules extend iOS patterns for the larger, more capable canvas.

This skill provides expert guidance on ensuring Mapbox style quality through validation, accessibility, and optimization tools.

Source details, install context, and public review data are available on the full page.

A two-phase team loop that produces production-quality code: implement , then audit using simplify + harden passes , then fix audit findings , then re-audit , repeating until the codebase is solid or the loop cap is reached.

Apple's native persistence framework using @Model classes and declarative queries. Built on Core Data, designed for SwiftUI.

Every user-facing view must be usable with VoiceOver, Switch Control, Voice Control, Full Keyboard Access, and other assistive technologies. This skill covers the patterns and APIs required to build accessible iOS apps.

Source details, install context, and public review data are available on the full page.

Swift Testing is the modern testing framework for Swift (Xcode 16+, Swift 6+). Prefer it over XCTest for all new unit tests. Use XCTest only for UI tests, performance benchmarks, and snapshot tests.

Check whether a marimo notebook can run in a WebAssembly (WASM) environment — the marimo playground, community cloud, or exported WASM HTML.

Source details, install context, and public review data are available on the full page.

This skill covers how to configure ignore patterns to exclude files and directories from GrepAI indexing.

Source details, install context, and public review data are available on the full page.

This Skill helps marketing teams plan campaigns, develop messaging, manage execution across channels, and measure results. Use this when developing marketing strategies, creating campaign content, planning social media, drafting emails, or analyzing campaign performance.

Tactical empathy-based negotiation framework from FBI hostage negotiator Chris Voss. Transform any negotiation by understanding the emotional drivers behind decisions and using proven techniques to build rapport, uncover hidden information, and reach better outcomes.

Seaborn is a Python visualization library for creating publication-quality statistical graphics. Use this skill for dataset-oriented plotting, multivariate analysis, automatic statistical estimation, and complex multi-panel figures with minimal code.

Tailwind uses a mobile-first breakpoint system. With over 60% of global web traffic from mobile devices and Google's mobile-first indexing, this approach is essential.

Comprehensive performance optimization guide for React and Next.js applications, maintained by Vercel. Contains 62 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.