Systematic methodology for reading and understanding large codebases efficiently. Use when (1) Understanding a new or unfamiliar codebase quickly, (2) Preparing to modify or extend existing code...
Guide for designing and writing ap-* agent specifications. Use when creating a new agent, drafting agent frontmatter, defining agent workflows, or structuring agent collaborations. For...
Optional advanced tool for complex data modeling. For simple table creation, use relational-database-tool directly with SQL statements.
Schema compatibility and breaking change analysis
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals like primitives and closures to advanced patterns like async/await and functional...
Atomic commits, PR size limits, commit thresholds, stacked PRs
Use when designing, implementing, or modifying UI for GNOME apps; before writing UI code; when reviewing existing UI for HIG compliance; when working with GTK 4/libadwaita or styling Qt/PySide6 for GNOME
Use when writing, debugging, or reviewing Playwright tests for web apps; before writing test code; when tests are flaky, slow, or brittle; when seeing timeout errors, element not found, or race...
DBスキーマ設計・マイグレーション作成・ER図設計。データモデリングの専門家として、正規化、インデックス設計、リレーション定義を担当。DBスキーマ設計が必要な時に使用。
Expert guide for setting up development environments including IDE configuration, tooling, dependencies, and developer onboarding. Use when bootstrapping new projects or standardizing team environments.
Modernize and improve legacy codebases while maintaining functionality. Use when you need to refactor old code, reduce technical debt, modernize deprecated patterns, or improve code...
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Transforms technical documents into rigorous learning journeys with collegiate-level mastery requirements. Uses Bloom's taxonomy progression, 80%+ mastery thresholds, and multi-level verification...
Maintain comprehensive changelogs and release notes following Keep a Changelog format. Use when documenting version history, release notes, or tracking changes across versions.