Skills（SKILL.md）は、AIエージェント（Claude Code、Cursor、Codexなど）に特定の能力を追加するための設定ファイルです。
詳しく見る →Arthur-OS / OB (Obsidian) governance skill for deciding where notes, reports, project docs, server docs, OpenClaw docs, AIout outputs, Library references, Prompts, OldNotes, root notes, and skill-specific rebuild/freeze/closure docs should live. Use when working with Arthur-OS, when the user says Obsidian or OB, when deciding whether something belongs in Skills, OpenClaw, AIout, Library, Server, Projects, Prompts, OldNotes, or the root of the vault, when creating or editing notes, or when searching the vault with obsidian-cli.