Mobile

Generate data migration scripts for Frappe. Use when migrating data from legacy systems, transforming data structures, or importing large datasets.

Enforces Terraform best practices for safe and scalable infrastructure as code. Emphasizes modularity, state management, and security. Automatically applied for IaC implementation.

Master iOS data persistence - SwiftData, Core Data, Keychain, CloudKit

Routes file storage operations to appropriate handler skills based on configuration

This skill should be used when elements feel disconnected, cards float like islands, or groupings are unclear. Applies Law of Proximity, Law of Common Region, and Law of Uniform Connectedness.

Generate biblically faithful, intellectually engaging sermons, sermonettes, and split sermons for United Church of God worship services. Produces messages (1,400-4,000 words) that connect Scripture to contemporary life through careful exegesis, thoughtful application, and compelling storytelling. Use when writing sermon content, biblical teaching material, or spiritually formative messages.

TAM/SAM/SOM analysis and competitive landscape mapping. Identifies beachhead markets and expansion opportunities with data-driven market sizing.

Comprehensive E2E testing skill using Playwright MCP for systematic web application testing. This skill should be used when users need to test web-based systems end-to-end, set up test regimes, run exploratory tests, or analyze test history. Triggers on requests like "test my webapp", "set up E2E tests", "run the tests", "what's been flaky", or when validating web application functionality. The skill observes and reports only - it never fixes issues. Supports three modes - setup (create test regime), run (execute tests), and report (analyze results).

Apply Go best practices, idioms, and conventions from golang.org/doc/effective_go. Use when writing, reviewing, or refactoring Go code to ensure idiomatic, clean, and efficient implementations.

Apply Domain-Driven Design patterns. Use when modeling complex business domains, defining bounded contexts, or designing aggregates. Covers entities, value objects, and repositories.

Hypothesis validation and experiment design. Use when mapping assumptions, designing experiments, or testing MVPs.

Simplifies Flutter projects by analyzing structure, cleaning redundant docs, merging configs, refactoring large files, generating module documentation, and running validation tests. Use when optimizing project structure, removing technical debt, improving code organization, or creating project documentation.

Set up Match for iOS code signing certificate management

[Utility] Analyzes user prompts and efficiently loads only relevant rule documents. Auto-generates category-document mapping config file on first invocation by scanning project documents. Supports both automatic and manual invocation. (project)

Master product roadmapping with strategic planning, OKRs, feature prioritization, timeline management, and stakeholder alignment for successful product delivery.

Use when creating new skills or editing existing skills - applies prompt engineering principles to write clear, goal-focused process documentation that trusts LLM intelligence

iOS開発のベストプラクティス、設計パターン、実装テクニック、よくあるトラブルと解決方法を包括的にカバー。MVVM、Clean Architecture、Combine、SwiftUI/UIKitの実践的なガイドを提供します。

Test Java applications - JUnit 5, Mockito, integration testing, TDD patterns

Reads, searches, lists, creates, and deletes notes in Apple Notes on macOS. Use when the user asks about their notes, wants to save information to Notes, or needs to find something they wrote in Apple Notes.

Create webhook handlers for Frappe integrations. Use when implementing webhooks, event-driven integrations, or external system notifications.