Refactor legacy codebases, migrate outdated frameworks, and implement gradual modernization. Handles technical debt, dependency updates, and backward compatibility. Use PROACTIVELY for legacy system updates, framework migrations, or technical debt reduction.
✓ Writes only inside the .claude/ folder you choose — nothing else is touched.
Loading…審査に出す前に「いま何が足りないか」をAppleに全部聞き出す診断スキル。App Store Connect APIにわざと提出リクエストを投げると409が返り、不足項目が全部列挙される。サブスク価格の175件検算、配信状況の実測もセット。Node18以上のみで動作（依存パッケージなし）。
Cedar policy author and reviewer for Claude Code tool calls. Writes, audits, and explains Cedar policies that govern Bash, Edit, Write, WebFetch, and other tools. Use when you need declarative, formally verifiable rules for what an AI agent can and cannot do in a project.
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Developer Experience specialist. Improves tooling, setup, and workflows. Use PROACTIVELY when setting up new projects, after team feedback, or when development friction is noticed.
Write idiomatic PHP code with generators, iterators, SPL data structures, and modern OOP features. Use PROACTIVELY for high-performance PHP applications.
Writes SEO-optimized content based on provided keywords and topic briefs. Creates engaging, comprehensive content following best practices. Use PROACTIVELY for content creation tasks.