Development skills

コミットやPR作成の前に、作業ブランチが適切かどうかを確認・切り替えるスキル。git-commit や create-pr からサブルーチンとして呼び出される。

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GitHub に Pull Request を作成するスキル。ユーザーが「PRを作って」「プルリクエストを出して」「PR作成して」と言ったとき、またはコミット済みの変更をレビューに出したいときに使用する。

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GitHub issue を新規作成・下書きするとき、または既存 issue の本文を書き直すときに必ず使うスキル。「issue を作って」「issue 化して」「これを issue にまとめて」のような依頼で発火し、`gh issue create` を直接呼ぶ前に必ず参照する。人間が合意した内容だけを、意味を足さずに issue へ残すための基準を定める。

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GitHub issue を起点に実装を始めるときに、実装より前に使うスキル。「issue

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status:ready な issue に対して issue-implementer agent を並列起動し、実装→PR作成を行う

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Rust のコードを書く・直す・レビューするときに使う。所有権、借用、Clone/Copy derive、文字列型 (`String`, `&str`, `Cow`, `'static str`) の選び方を、安易な複製や過剰な lifetime 固定に寄せず、実際のデータ所有者と呼び出し境界に合わせて判断するためのスキル。

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開発作業の要件定義書（requirements.md）を生成します。このスキルは単独で使用することも、generate-working-docsから呼び出されることもあります。

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開発作業の要件定義書（requirements.md）を単体で生成・再生成します。全ドキュメントの一括生成には generate-working-docs（新規機能開発）または generate-performance-docs（パフォーマンス改善）を使用してください。

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A comprehensive verification system for Claude Code sessions.

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Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.

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SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.

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X/Twitter API integration for posting tweets, threads, reading timelines, search, and analytics. Covers OAuth auth patterns, rate limits, and platform-native content posting. Use when the user wants to interact with X programmatically.

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Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.

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Pythonic idioms, PEP 8 standards, type hints, and best practices for building robust, efficient, and maintainable Python applications.

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Write-time code quality enforcement using Plankton — auto-formatting, linting, and Claude-powered fixes on every file edit via hooks.

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Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).

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Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles

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Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.

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Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

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Interactive installer for Everything Claude Code — guides users through selecting and installing skills and rules to user-level or project-level directories, verifies paths, and optionally optimizes installed files.

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C++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.

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Anthropic Claude API patterns for Python and TypeScript. Covers Messages API, streaming, tool use, vision, extended thinking, batches, prompt caching, and Claude Agent SDK. Use when building applications with the Claude API or Anthropic SDKs.

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Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, and project layout.

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Patterns and architectures for autonomous Claude Code loops — from simple sequential pipelines to RFC-driven multi-agent DAG systems.

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