Manage API versioning strategy for Hono routes in apps/api/src/v1. Use when creating new API versions or migrating endpoints between versions.

Safely evolve APIs without breaking existing clients.

Implements API versioning using URL paths, headers, or query parameters with backward compatibility and deprecation strategies. Use when managing multiple API versions, planning breaking changes, or designing migration paths.

Implement API versioning strategies for backward compatibility. Covers URL versioning, header versioning, and deprecation workflows.

RESTful API design patterns and best practices. Use when creating endpoints, designing APIs, or implementing routes.

Apidog API development platform documentation - API design, testing, mocking, and documentation

Apifox 生成器核心工具（由 Agent 内部使用，不对外暴露）

Build and deploy Apify actors for web scraping and automation. Use for serverless scraping, data extraction, browser automation, and API integrations with Python.

Apify JS SDK Documentation - Web scraping, crawling, and Actor development

Build Apify Actors (web scrapers) using Node.js and Crawlee. Use when creating new scrapers, defining input schemas, configuring Dockerfiles, or deploying to Apify. Triggers include apify, actor, scraper, crawlee, web scraping, data extraction.

Social media scraping, business data, e-commerce via Apify actors. USE WHEN Twitter, Instagram, LinkedIn, TikTok, YouTube, Facebook, Google Maps, Amazon scraping.

Android APK unpacking and resource extraction tool for reverse engineering. Use when you need to decode APK files, extract resources, examine AndroidManifest.xml, analyze smali code, or repackage modified APKs.

Use when implementing Apollo caching strategies including cache policies, optimistic UI, cache updates, and normalization.

Use when implementing Apollo Client patterns for queries, mutations, cache management, and local state in React applications.

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Use when building GraphQL APIs with Apollo Server requiring resolvers, data sources, schema design, and federation.

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Enforce Design-It-Twice workflow: generate 2-3 radically different approaches, compare them, then implement. Use when designing modules, APIs, or classes before implementation. Triggers on: design, create class, add module, implement feature, new service, API design, before implementing. Produces structured design document with approaches, comparison table, choice rationale, and depth check.

Enforce comments-first workflow for new code and improve naming/documentation for existing code. Use when writing new classes, methods, or functions; when code is 'confusing' or 'hard to understand'; when naming precision is poor; or when variable documentation lacks units, bounds, or ownership. Triggers on: new code, comments-first, naming review, documentation review, not obvious, hard to understand. Produces well-documented code with precise naming, or identifies design problems when comments/names are hard to write.

Enforce strategic programming discipline when modifying existing code. Guide through STOP-ASK-DECIDE-VERIFY workflow with urgency tier assessment (trivial/minor/standard/emergency). Include when NOT to refactor (Chesterton's Fence, performance-critical, no tests) and block tactical shortcuts via anti-rationalization tables. Use when fixing bugs, extending features, or tempted to make quick fixes. Triggers on: modify code, fix bug, extend feature, quick fix, tactical change.

Evaluate module design using APOSD principles with 40-item checklist. Detect complexity symptoms (change amplification, cognitive load, unknown unknowns), shallow modules, information leakage, pass-through methods, and structural anti-patterns. Produce categorized design review (Critical/Moderate/Observations/Positive). Use when reviewing code, assessing interfaces, during PR review, or evaluating 'is this too complex?' Triggers on: code review, design review, module complexity, interface assessment, PR review, structural analysis.

Simplify complex code through the Error Reduction Hierarchy: Define out > Mask > Aggregate > Crash. Use when code is too complex, has scattered error handling, configuration explosion, or callers doing module work. Produce technique analysis table with gate checks before simplified code. Triggers on: too complex, simplify, scattered errors, configuration proliferation, verbose error handling. Complements cc-defensive-programming with design-level error elimination.

Verify code correctness before claiming done or committing. Run 6-dimension checklist: requirements coverage, concurrency safety, error handling, resource management, boundary conditions, and security. Output PASS/FAIL per dimension with final DONE/NOT DONE verdict. Use after implementation as pre-commit gate. Triggers on: is it done, ready to commit, verify correctness, did I miss anything, pre-commit check.

Expert digital data analytics consultant for designing and implementing data-driven growth strategies for mobile and digital applications. Use this skill when users need help with app analytics strategy, metrics selection, analytics framework implementation, cohort analysis, user segmentation, A/B testing, customer journey mapping, retention optimization, or choosing analytics tools. Applies to product managers, growth teams, and developers building data-driven applications across all platforms and industries seeking to optimize user engagement, retention, and revenue through analytics.

Create apps following contract-port architecture with composition roots. Use when creating new apps in apps/, scaffolding CLI tools, setting up dependency injection, or when the user asks about app structure, entrypoints, or platform-agnostic design.

Build features in the AI Coaching Platform Next.js app. Use for creating pages, components, server actions, TanStack tables, and understanding application architecture.

Submitting, testing, and releasing mobile apps to app stores including App Store and Google Play submission, beta testing, OTA updates, and release management.

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App Intents framework for Siri, Shortcuts, Spotlight, Action Button, and system integration. Use when user asks about Siri, Shortcuts, App Intents, voice commands, Action Button, or system integration.

When any part of the application needs to be found or understood.

Write marketing copy and App Store / Google Play listings (ASO keywords, titles, subtitles, short+long descriptions, feature bullets, release notes), plus screenshot caption sets and text-to-image prompt templates for generating store screenshot backgrounds/promo visuals. Use when asked to: write/refresh app marketing copy, craft app store metadata, brainstorm taglines/value props, produce ad/landing/email copy, or generate prompts for screenshot/creative generation.

Review and process app submissions for the Pollinations showcase. Parse issues, validate submissions, create PRs, handle user corrections.

The App Router is Next.js's file-system based router built on React Server Components. It uses a `app/` directory structure where folders define routes and special files control UI behavior.

app-sharing

All modes that write scripts or code follow these app standards for communication, modularization, simplification, naming conventions

app-template

Imported skill app from langchain

Expert guidance for working with the AppConfig runtime configuration system in squareone. Use this skill when implementing configuration loading, working with YAML config files, setting up new pages that need configuration, troubleshooting config hydration issues, or migrating from next/config patterns. Covers server-side loadAppConfig(), client-side useAppConfig(), MDX content loading, Sentry configuration injection, and Kubernetes ConfigMap patterns.

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Create Apple-inspired modern, minimalist UI designs with glassmorphism, smooth animations, generous whitespace, and elegant typography. Use when designing portfolio websites, landing pages, hero sections, product showcases, or implementing Apple-style components, dark mode, or responsive layouts.

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Use this skill when working with Apple's Foundation Models framework for on-device AI and LLM capabilities in iOS/macOS apps

Comprehensive guide for accessing and automating Apple Mail using AppleScript, including reading emails, sending messages, and managing mailboxes.

Build apps for macOS, iPadOS, watchOS, and visionOS with platform-specific features. Use when creating menu bar apps, iPad split views, Apple Watch complications, Vision Pro immersive experiences, or multi-platform adaptations.

Use when working with Apple Shortcuts on macOS/iOS - discovering actions, extension apps, running shortcuts from CLI, or integrating with automation workflows.

Expert troubleshooting for Apple TV (tvOS) React Native development. Use when users have issues with Siri Remote, focus management, TVEventHandler, TVFocusGuideView, ScrollView not scrolling, tvOS-specific problems, parallax animations, or tvOS vs Android TV differences.

This skill should be used when working with applesauce-core library for Nostr client development, including event stores, queries, observables, and client utilities. Provides comprehensive knowledge of applesauce patterns for building reactive Nostr applications.

UseCase 설계, Transaction 경계 관리, CQRS 적용. @Transactional 내 외부 API 호출 금지. /kb-application 명령 시 자동 활성화.