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Codex Skills コレクション

Agent Skills は Codex を専門ワークフローで拡張（オープン SKILL.md）。2026年7月更新：公式 openai/skills、Figma/CI/Sentry/Notion、`.agents/skills` パス。

Codex に Skills をインストール

`.agents/skills/` を推奨。バンドルの `$skill-installer <name>`、または curated フォルダをコピー。

  • Project: .agents/skills/<skill-name>/SKILL.md
  • User: ~/.agents/skills/<skill-name>/SKILL.md
  • Legacy: .codex/skills/<skill-name>/SKILL.md
# Recommended (2026): install from the official openai/skills catalog
# In Codex CLI / TUI, run the bundled installer skill:
$skill-installer pdf
$skill-installer gh-fix-ci

# Or copy a curated skill folder into your project:
git clone --depth 1 https://github.com/openai/skills.git /tmp/openai-skills
cp -r /tmp/openai-skills/skills/.curated/pdf .agents/skills/pdf

`.codex/skills/` / `.cursor/skills/` / `~/.agents/skills/` も可 — SKILL.md は Codex・Cursor・Claude Code で共通。

GitHub Skill ハブ

さらに多くの Skills — まず公式 openai/skills、次にコミュニティハブ。

公式 Codex Skills

まずはここから — openai/skills のシステム／厳選スキル。2026年7月更新。

  • skill-installer

    ★ 24k

    Install curated / experimental skills into your Codex skill dirs.

    Codex おすすめ: Install curated skills by name from openai/skills — the fastest way to expand Codex in 2026.

    openai/skills

    GitHub で見る →

  • skill-creator

    ★ 24k

    Scaffold and refine custom skills with guided prompts.

    Codex おすすめ: Interactive walkthrough to author a new SKILL.md for your recurring team workflows.

    openai/skills

    GitHub で見る →

  • migrate-to-codex

    Migrate agent skills and config into Codex-friendly paths.

    Codex おすすめ: Moving from Cursor / Claude Code? Mirrors existing skill folders into .agents/skills.

    openai/skills

    GitHub で見る →

  • openai-docs

    Look up OpenAI platform and Codex documentation on demand.

    Codex おすすめ: Pull current OpenAI / Codex docs into the session instead of relying on stale training data.

    openai/skills

    GitHub で見る →

レポート・ドキュメント

PDF、Word、PPT、Excel — ファイルとして納品する場合。

  • pdf

    Extract text/tables, merge PDFs, add annotations.

    Codex おすすめ: Official curated PDF skill — extract tables, merge, annotate deliverables Codex exports.

    openai/skills

    GitHub で見る →

  • pptx

    Read, generate, and adjust slide decks.

    Codex おすすめ: Turn Codex HTML slide drafts into editable PowerPoint with layouts and templates.

    anthropics/skills

    GitHub で見る →

  • docx

    Create and edit Word documents professionally.

    Codex おすすめ: Executive reports and briefs as Word docs with tracked changes and comments.

    anthropics/skills

    GitHub で見る →

  • xlsx

    Spreadsheet formulas, charts, transformations.

    Codex おすすめ: Weekly metrics and cleaned CSVs → formulas, charts, formatted spreadsheets.

    anthropics/skills

    GitHub で見る →

  • jupyter-notebook

    Create and iterate on Jupyter notebooks for analysis.

    Codex おすすめ: When analysis needs a reproducible notebook — charts, tables, and narrative in one artifact.

    openai/skills

    GitHub で見る →

データ・リサーチ

アンケート整理、チャート、競合分析、ドキュメントから skill 化。

  • brainstorming

    Explore approaches before committing to a deliverable.

    Codex おすすめ: Structure research questions before Codex runs survey analysis.

    obra/superpowers

    GitHub で見る →

  • notion-research-documentation

    Research capture and documentation workflows in Notion.

    Codex おすすめ: Turn research threads into structured Notion docs — great for competitor and market briefs.

    openai/skills

    GitHub で見る →

  • notion-knowledge-capture

    Persist team knowledge from chats into Notion pages.

    Codex おすすめ: Capture meeting / project knowledge into Notion so the next Codex run reuses it.

    openai/skills

    GitHub で見る →

  • Skill Seekers

    ★ 12k

    Convert documentation sites into SKILL.md packages.

    Codex おすすめ: Turn competitor docs or API references into a Codex skill from any URL.

    yusufkaraaslan/Skill_Seekers

    GitHub で見る →

Web・スライド

HTML デッキ、ランディングページ、UI 仕上げ、公開前チェック。

  • figma-implement-design

    Implement designs from Figma into working frontend code.

    Codex おすすめ: Hot in 2026: implement Figma frames as production UI with Codex — design → code without handoff loss.

    openai/skills

    GitHub で見る →

  • web-artifacts-builder

    React + Tailwind multi-component HTML artifacts.

    Codex おすすめ: Branded HTML slides and landing pages Codex can preview and export.

    anthropics/skills

    GitHub で見る →

  • frontend-ui-engineering

    Production UI engineering patterns and review.

    Codex おすすめ: Polish Codex-generated pages — layout, a11y, responsive patterns.

    addyosmani/agent-skills

    GitHub で見る →

  • screenshot

    Take and attach screenshots during agent workflows.

    Codex おすすめ: Capture UI evidence for reviews and bug reports without leaving the agent loop.

    openai/skills

    GitHub で見る →

エンジニアリング

TDD、コードレビュー、デバッグ、仕様駆動開発。

  • gh-fix-ci

    Investigate and repair broken CI pipelines on GitHub.

    Codex おすすめ: July 2026 must-have: diagnose and fix failing GitHub Actions from the agent session.

    openai/skills

    GitHub で見る →

  • sentry

    Investigate Sentry issues and propose code fixes.

    Codex おすすめ: Pull production errors into Codex and ship targeted fixes with stack context.

    openai/skills

    GitHub で見る →

  • test-driven-development

    TDD workflow before writing production code.

    Codex おすすめ: Gold standard for Codex bug fixes — tests first, then implementation.

    obra/superpowers

    GitHub で見る →

  • code-review-and-quality

    Review diffs for quality, regressions, and style.

    Codex おすすめ: Pair with AGENTS.md Code Review Rules (Jul 2026) for structured PR feedback.

    addyosmani/agent-skills

    GitHub で見る →

  • security-best-practices

    Apply security best practices during implementation and review.

    Codex おすすめ: Official security playbook before shipping agent-written code that touches auth/data.

    openai/skills

    GitHub で見る →

ワークフロー

タスク分解、git worktree、CI/CD、段階的デリバリー。

  • linear

    Manage Linear issues from agent workflows.

    Codex おすすめ: Connect issues ↔ agent work — create, update, and close Linear tickets from Codex.

    openai/skills

    GitHub で見る →

  • vercel-deploy

    Deploy projects to Vercel from Codex.

    Codex おすすめ: Ship static reports and Next apps Codex builds — deploy without leaving the session.

    openai/skills

    GitHub で見る →

  • planning-and-task-breakdown

    Decompose goals into ordered, verifiable tasks.

    Codex おすすめ: Breaks “make a 15-slide quarterly deck” into steps Codex can execute.

    addyosmani/agent-skills

    GitHub で見る →

  • using-git-worktrees

    Isolated worktrees with safety checks.

    Codex おすすめ: Parallel Codex tasks on separate branches without stomping main.

    obra/superpowers

    GitHub で見る →

  • playwright

    Browser automation and UI verification with Playwright.

    Codex おすすめ: Official Playwright skill for end-to-end checks on pages Codex generates.

    openai/skills

    GitHub で見る →

品質・セキュリティ

セキュリティレビュー、ブラウザテスト、Playwright、ドキュメント。

  • security-threat-model

    Threat modeling for features and services.

    Codex おすすめ: Before publishing agent-built apps — map threats and mitigations early.

    openai/skills

    GitHub で見る →

  • security-and-hardening

    Security review and hardening checklist.

    Codex おすすめ: Before publishing Codex-generated pages or scripts handling user data.

    addyosmani/agent-skills

    GitHub で見る →

  • browser-testing-with-devtools

    Browser DevTools testing workflows.

    Codex おすすめ: Catch layout bugs in HTML slides and landing pages Codex builds.

    addyosmani/agent-skills

    GitHub で見る →

  • documentation-and-adrs

    Docs, ADRs, and knowledge capture.

    Codex おすすめ: Handoff docs and ADRs when Codex delivers engineering work to a team.

    addyosmani/agent-skills

    GitHub で見る →

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