agent-native-design-guide

Claude Code の SubAgent（agents/*.md）を正しく定義するためのベストプラクティスガイド。 YAML frontmatter、ツール選択、3-Phase 構造、コンテキスト受け渡し、アンチパターンを網羅。 Use when: agents/*.md を書く、SubAgent 定義を改善する、エージェントの動作が想定外、 コンテキストが渡らない、ツール選択に迷う。 Triggers: "subagent", "agent definition", "agents/*.md", "エージェント定義", "サブエージェント", "3-Phase", "context passing", "コンテキスト渡し", "tool selection", "ツール選択", "subagent_type", "bypassPermissions"

Generate and review coding-agent plans as structured documents with inline diagrams, annotated code walkthroughs, file trees, annotations, feedback, and HTML export.

Claude Agent SDK Development Plugin

Battle-tested configuration system for Claude Code agents: 28 architectural principles (incl. P-28 Feature-Layer Architecture for project-knowledge-as-a-navigable-tree), 19 safety hooks, 23 skills (incl. /layer-new + /feature-new for ULTRAPACK-style feature narratives), 16 alternative comparisons, 12 templates (incl. extended kb-skeleton with docs/layers/), diagnostic scripts (incl. build_kb_graph.py + validate_kb_links.py). Pairs with mclaude for multi-session coordination.