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Validate and diagnose startup context files — CLAUDE.md, AGENTS.md, rules, and .cursorrules — that inject instructions into the model context at session start across Claude Code, Cursor, and Codex.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Copy processed MP3s and WAVs to NAS storage. Use after Apple Music import or when re-archiving corrected files.
Move processed ZIPs to archive and clean up extraction folders. Use after album processing is complete.
Copy finished MP3s into Apple Music via the auto-import folder and verify the album lands correctly. Use once metadata is finalized and the user wants tracks added to their library — e.g. "add this to Apple Music" or "import these tracks" — even if they don't say "auto-import" explicitly. Also use to diagnose a bad import, e.g. "it showed up as separate tracks instead of one album."
Inspect and update MP3 tags: genre, artist, album, track count, compilation flag. Use when checking or fixing music file metadata — including diagnostic questions like "why do these show up as separate tracks" or "is this folder's metadata consistent," not just explicit tag-editing requests.
End-to-end processing of downloaded music purchases: extract ZIPs, verify metadata, import to Apple Music, archive to NAS, clean up. Use when processing new music downloads.
Reclaim local disk by offloading cloud-backed Apple Music downloads. Audit iCloud status, build an offload playlist that protects your DJ crates and lossless files, then Remove Download. Use when the Mac is low on disk.
| name | startup-context |
| description | Validate and diagnose startup context files — CLAUDE.md, AGENTS.md, rules, and .cursorrules — that inject instructions into the model context at session start across Claude Code, Cursor, and Codex. |
Use this skill when working with files that inject instructions at startup — validating format, diagnosing why instructions aren't being read, or understanding load order and precedence per vendor.
What startup context is: Files that are automatically loaded into the model's context before any user prompt. Each vendor uses different file names and locations. All serve the same purpose: priming the model with project-specific or harness-level instructions.
Vendor mapping:
| Vendor | Primary file | Rules format | Legacy |
|---|---|---|---|
| Claude Code | CLAUDE.md | .claude/rules/*.md | — |
| Cursor | .cursor/rules/*.mdc | .cursor/rules/*.mdc | .cursorrules (root) |
| Codex | AGENTS.md | NOT SUPPORTED in plugins | — |
Load order (Claude Code): User CLAUDE.md (~/.claude/CLAUDE.md) → Project CLAUDE.md → Plugin CLAUDE.md (via @-import). Rules in .claude/rules/ are loaded after CLAUDE.md.
The @AGENTS.md workaround (Claude Code): Claude Code does not natively read AGENTS.md. When ynh exports for Claude, it writes a CLAUDE.md containing only @AGENTS.md — using Claude's @-import syntax to pull in the cross-vendor instructions file without duplicating content.
Diagnostic checklist:
