行動開發

Use Case 2.0 methodology by Ivar Jacobson. Covers use case slices, lightweight documentation, user story derivation, and value-driven prioritization. Modern approach to use case modeling for agile teams.

Use when user asks to leverage codex, gpt-5, or gpt-5.1 to implement something (usually implement a plan or feature designed by Claude). Provides non-interactive automation mode for hands-off task execution without approval prompts.

A library for working with enum cases as first-class values, enabling key path-like access to enum cases

A library for sharing state across your app with persistence and observation support

Map relationships between bounded contexts using DDD context mapping patterns. Use when defining upstream/downstream relationships, integration strategies (ACL, OHS, PL), or generating Context Mapper DSL output. Follows event storming for bounded context discovery.

Interactive browser automation using claude-in-chrome MCP tools. Best for: demos, documentation GIFs, manual testing, live browser control. For automated E2E testing in CI/CD, use webapp-testing skill instead. Triggers: browser automation, ブラウザ自動化, screenshot, スクリーンショット, form fill, フォーム入力, click, navigate, GIF recording, GIF録画, ブラウザ操作, Chrome, demo, デモ, live browser.

Systematic approach to implementing new features in Rust memory systems

Maps Swift import statements to their source packages and extracts package metadata from Xcode DerivedData. Use when encountering import statements, needing package version information, or finding which package exports a specific module. Does not cover system frameworks.

Apply spec modifications systematically. Use to apply review feedback, bulk modifications, or interactive spec updates with safety checks, validation, and rollback support.

Orchestrate app launch preparation - SEO, screenshots, personas, ads, articles, landing pages

Systematic debugging approach for Rust async code with Tokio, Turso, and redb. Use when diagnosing runtime issues, performance problems, async deadlocks, database connection issues, or panics.

Expert in groups, rings, fields, and algebraic structures with applications to cryptography and number theory

Tenant branding and customization patterns for SaaS applications. Covers custom domains, theming, email customization, and brand isolation.

A dependency management library for Swift with controlled, testable dependencies

The complete Swift Programming Language book by Apple, covering syntax, features, concurrency, and the formal language reference.

Execute complete user flow testing with Playwright MCP, testing end-to-end journeys through the application

Design Thinking methodology for human-centered innovation. Covers the 5-phase IDEO/Stanford d.school approach (Empathize, Define, Ideate, Prototype, Test) with workshop facilitation and exercise templates.

This skill should be used when validating whether a specific word or phrase is appropriate, commonly used, and correct in academic technical contexts. Use for checking terminology in research papers targeting top-tier computer science conferences.

Code review workflow using GitHub CLI. Use when reviewing pull requests, checking PR diffs, adding review comments, or approving/requesting changes on PRs.

Application security specialist covering OWASP top 10, secure coding, and vulnerability prevention