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Create or revise layered AGENTS.md instructions with clear scope, verified repository facts, native Codex boundaries, and concise operating rules. Use when adding project, directory, or global agent guidance.
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
Start here for the nddev-builder toolkit. Indexes the Codex artifact families and the creator, checker, reviewer, and workflow skill that owns each, points at the single reference for schemas and current (Beta, experimental, or under-development) surfaces, and routes the task to the right skill. Use first whenever building, checking, reviewing, or releasing a Codex artifact, or when unsure which builder skill applies.
A guided first run of the nddev-builder toolkit — from zero to a working, checked Codex artifact in ordered steps. Use when new to nddev-builder, onboarding, or unsure which builder skill to start with.
Create or revise a Codex marketplace catalog with valid plugin sources, categories, installation policy, and authentication policy. Use when publishing local or remote plugin collections.
Check a managed Codex requirements.toml layer for supported keys, permission-profile consistency, and a valid lower-layer default. Use before delivering managed /etc/codex or MDM requirements.
Create a managed Codex requirements.toml layer that constrains permission profiles and other admin policy. Use when authoring the /etc/codex or MDM-delivered managed requirements a lower config layer must satisfy.
Install and iterate on a Codex plugin locally in developer mode: the install, reinstall, and cachebuster test loop for a plugin under development, run against an isolated install and never live state. Use when running or iterating on a plugin, its skills, MCP, hooks, or bundled app locally.
| name | codex-instructions-creator |
| description | Create or revise layered AGENTS.md instructions with clear scope, verified repository facts, native Codex boundaries, and concise operating rules. Use when adding project, directory, or global agent guidance. |
Resolve every ../../scripts and ../../references path relative to this SKILL.md directory, never the caller working directory.
Write the narrowest instruction layer that helps Codex act correctly in its directory scope without duplicating lower-level truth.
Determine the file's scope, parent instruction chain, target audience, and facts that genuinely need durable guidance.
Read ../../references/codex-artifact-contracts.md for discovery, precedence, fallback, and size rules.
Inspect options and generate:
python3 ../../scripts/create_codex_artifact.py instructions --help
python3 ../../scripts/create_codex_artifact.py instructions --output . --name repository-instructions --description "Repository instructions for Codex"
Replace scaffold text with verified purpose, boundaries, workflows, safety constraints, and exact verification commands.
Keep code and config as source of truth; reference canonical files instead of copying volatile versions or pins.
Use skills and plugins for detailed workflows. Do not create slash-command instructions or collapse another CLI's first-class file into an import.
Validate:
python3 ../../scripts/check_codex_artifact.py instructions AGENTS.md
Review the full parent-to-child chain for contradictions, duplication, and stale paths.