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Codex Guide

CommunityPopular
K9i-0
codex-guide

Codex の使い方、CLI/app/IDE、rules・hooks・AGENTS.md・skills・subagents・config などを案内する。Codex や OpenAI 製品の仕様を答える前に必ず公式ドキュメントを確認し、rules/approval は `codex execpolicy check` で実検証すること。

Overview

PublisherK9i-0
Repositoryccpocket
Skill namecodex-guide
Stars
1.1K
Forks
115
Bundled files
1
LicenseMIT
Links
Skill sourceRepositoryHomepage
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 1 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by K9i-0 on GitHub. Read the source before you install it.

Installation

Install the Codex Guide AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/K9i-0/ccpocket/tree/main/.claude/skills/codex-guide
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/K9i-0/ccpocket.git /tmp/ccpocket
mkdir -p .claude/skills
cp -r /tmp/ccpocket/.claude/skills/codex-guide .claude/skills/codex-guide
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Codex Guide in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Codex Guide on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Codex Guide is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Codex Guide

Codex の使い方や仕様を案内するときのガイド。

この skill を使う場面

  • ユーザーが Codex CLI / app / IDE extension の使い方を聞いたとき
  • rules, execpolicy, approvals, hooks, AGENTS.md, skills, subagents, MCP, config を説明するとき
  • Codex のモデル、設定、コマンド、slash command、運用方法を案内するとき
  • Codex について「本当にそういう仕様か」を確認したいとき

基本方針

  • 記憶で断定しない。 まず OpenAI の公式 Codex docs を確認する。
  • 仕様説明は一次情報優先。 非公式ブログや推測をベースにしない。
  • rules / approvals は docs だけで終わらせない。 codex execpolicy check で実際の判定を確認する。
  • コマンド挙動は再現確認する。 可能なら軽い実コマンドで allow / prompt / forbidden を確かめる。
  • 変わりやすい情報は公式 docs hub から辿る。 直リンクが変わっていそうなら Codex docs トップから探し直す。

標準ワークフロー

1. まず公式 docs を探す

用途ごとに references/official-sources.md の該当ページを開く。

  • Codex 全体像: docs hub / CLI / Academy
  • 設定: Config basics / advanced / reference / sample
  • approvals / rules: Rules
  • カスタマイズ: Skills / Subagents / AGENTS.md / Hooks / MCP
  • 実践例: Academy / Use cases / openai/codex

2. rules / execpolicy の相談なら必ず検証する

変更提案前に、少なくとも以下を実行する。

bash
codex execpolicy check --pretty --rules <rules-file> -- <command...>

最低 2 パターン確認すること。

  • 許可したいコマンド
  • 止めたい、または prompt にしたいコマンド

部分許可を設計するときは、重なる rule も確認する。

3. 実運用に近いコマンドで再確認する

execpolicy check だけでなく、可能なら軽い実コマンドでも確認する。

例:

  • allow 想定の軽いコマンドを 1 本
  • prompt 想定の軽いコマンドを 1 本

特に注意すること

  • prefix_rule は複数一致する。最終判定は より厳しい decision が勝つ。
  • 部分 allow を書いても、より広い prompt が同時一致すると最終的に prompt になる。
  • 迷ったら「広く allow、危ないサブコマンドだけ prompt」か、「全部明示列挙」のどちらかで設計する。
  • match / not_match を書ける場面では書く。意図ミスの早期発見に使う。

返答のしかた

  • 公式 docs を見てわかったことと、ローカルで検証したことを分けて書く。
  • 推測が混じる場合は、それが推測だと明示する。
  • ルール提案時は、提案内容だけでなく「なぜその rule が最終判定になるか」も書く。

参照先

詳細な URL と用途は references/official-sources.md を見る。

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Codex Guide AI skill do?

Codex の使い方、CLI/app/IDE、rules・hooks・AGENTS.md・skills・subagents・config などを案内する。Codex や OpenAI 製品の仕様を答える前に必ず公式ドキュメントを確認し、rules/approval は `codex execpolicy check` で実検証すること。

Why use Codex Guide on TypingMind?

Because you install it once and use it with any model. Codex Guide is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Codex Guide in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/K9i-0/ccpocket/tree/main/.claude/skills/codex-guide. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Codex Guide?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Codex Guide?

As many as you like. As long as a model supports skills, you can use Codex Guide with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Codex Guide AI skill free?

Yes. It is published on GitHub by K9i-0 under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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