Coding standards, frameworks, refactoring, and code review (18.8K skills)
Use this skill to plan or troubleshoot Apple system integrations in an app, from Siri, widgets, and Live Activities to purchases, calendar access, background tasks, and push notifications. It directs you to focused guidance for each feature.
Audit a Swift app’s file storage choices, backup exclusions, file protection, and use of Keychain. The skill maps where data is stored, identifies risky patterns and missing safeguards, and summarizes findings by severity with a storage health score.
Audit an iOS app’s in-app purchase code for transaction handling, verification, restore flows, subscription status, and purchase screen disclosures. The skill maps the StoreKit architecture, checks for common gaps, and reports evidence-based findings with severity and suggested fixes.
Audit SpriteKit game code for physics bitmask mistakes, excessive draw calls, accumulating nodes, action closure leaks, and touch handling problems. The skill maps scenes and lifecycle patterns, then reports verified issues, their gameplay impact, and suggested fixes for performance and stability.
Review an iOS app’s networking code for deprecated APIs, fragile connection checks, blocking calls, and missing lifecycle handling. The skill maps the networking approach, checks connection and security patterns, and reports prioritized findings with practical fixes.
Audit SwiftUI navigation architecture for problems that can break deep links, lose navigation state, or show the wrong destination. The skill maps navigation containers and routes, checks destination registration and state preservation, and reports verified findings with severity and suggested fixes.
Get guidance for macOS-specific app development, including window and menu behavior, sandboxed file access, distribution and notarization, and bridging SwiftUI with AppKit. It also covers macOS-specific SwiftUI patterns and helps route shared topics to the relevant companion skills.
Use this skill to choose and work with data storage in Apple apps, including SwiftData, Core Data, SQLite, CloudKit, files, and Codable. It routes database migrations, sync issues, serialization, and storage questions to focused implementation or diagnostic guidance.
Use this skill to inspect an Xcode project for build slowdowns in settings, scripts, Swift type checking, and compiler flags. It produces a prioritized report with specific changes to consider and commands for measuring build times before and after.
Review SQLite and GRDB schemas and migrations for risks such as data loss, failed upgrades, unsafe table changes, foreign key gaps, and writes outside transactions. The audit maps the schema, verifies findings in context, and assigns an overall health rating.
Runs relevant specialist audits across an iOS project, covering areas such as memory, privacy, accessibility, performance, and frameworks detected in the code. It combines and deduplicates findings into a unified health report.
Implement in-app purchases and subscriptions with StoreKit 2. The workflow covers product configuration, a centralized purchase manager, transaction verification, purchase screens, and restoring purchases, with instructions for testing in Xcode, Sandbox, and TestFlight.
Diagnose Xcode build and test failures by checking the project environment, running build processes, Derived Data, Swift Package resolution, and simulator state. The skill uses captured build logs to identify confirmed causes, guides scoped fixes, and verifies results while stopping for approval before destructive actions.
Use this skill to build iOS and watchOS features with HealthKit and WorkoutKit. It guides authorization, health data queries and writes, background updates, live and planned workouts, and related wellbeing APIs, with references for choosing the relevant implementation guidance.
Get guidance for building games and interactive simulations with SpriteKit, SceneKit, or RealityKit. The skill routes work to relevant references for scenes, physics, rendering, touch controls, and game controllers, and points to diagnostics for common SpriteKit problems.
Review Swift text editor code for TextKit 1 fallback triggers, glyph-based measurements that can fail with complex scripts, and gaps in Writing Tools support. The audit maps text views and reports verified issues with severity and suggested fixes.
Scan SwiftUI code for patterns that can cause slow scrolling, dropped frames, or excessive view updates. The audit maps rendering contexts, verifies findings against source code, and reports severity, user impact, and concrete fixes for issues such as costly work in view bodies or missing lazy containers.
Review SwiftUI views for layout problems that can break across screen sizes, orientations, and multitasking windows. It maps the app’s adaptation strategy, checks for issues such as unconstrained GeometryReader use and fixed dimensions, then reports evidence, severity, and practical fixes.
Use this skill to plan and troubleshoot graphics work in Apple apps, including Metal rendering, shader conversion, RealityKit 3D and AR, USD files, and display performance. It points to focused guidance for migrations, rendering bugs, frame rates, and resizing behavior.
Prepare reference FASTA files for genomic workflows by creating indexes and sequence dictionaries, and fetch whole chromosomes or selected regions. Generate consensus sequences from aligned reads with samtools, with options for coverage, ambiguity, and sequencing platform.
Reads, writes, and converts multiple sequence alignments with Biopython’s Bio.AlignIO. It covers common formats such as Clustal, PHYLIP, Stockholm, FASTA, and Nexus, helping prepare alignment files for phylogenetics and conservation analysis while highlighting format-specific annotation and naming pitfalls.
Review TDesign Flutter component changes against public demos, API behavior, theme rules, tests, and visual evidence. Identify gaps between the intended component contract and the implementation, and report blocking issues, non-blocking risks, and items that remain unverified.
Apply repository-wide collaboration rules to TDesign Flutter development and pull requests. Decide when a Spec and user-facing changelog are needed, document public APIs, account for generated files, check compatibility across two Flutter versions, and register tests with the CI regression system.
Create, edit, and review MATLAB project configuration in `matlab.toml`. Define folders, dependencies, startup scripts, shortcuts, tests, packaging, deployment targets, and Simulink settings while checking entries against the file schema.