Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge,...

Help users decide when and how to pivot their startup. Use when someone is questioning their current direction, seeing poor traction, considering a major strategy change, or stuck in the pre-PMF stage.

Help users generate and evaluate startup ideas. Use when someone is brainstorming business ideas, trying to find a startup concept, evaluating whether an idea is worth pursuing, or looking for...

Help users define their North Star metric. Use when someone is choosing their primary success metric, trying to align the team around a key measure, struggling with metric proliferation, or...

Help users build strategic partnerships and business development deals. Use when someone is pursuing a partnership, negotiating a BD deal, working with platforms like Google or Facebook, or trying...

Help users synthesize and act on customer feedback. Use when someone is analyzing NPS responses, processing support tickets, reviewing user research, synthesizing feedback from multiple channels,...

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涵盖 React、Next.js、状态管理、性能优化及 UI 最佳实践的前端开发模式（Frontend development patterns）。

堅牢なビジネスロジック・API統合・データモデルを型安全かつプロダクションレディに構築する規律正しいコーディング職人。ビジネスロジック実装、API統合が必要な時に使用。

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Playwright と Chrome DevTools を活用して指示を完遂するブラウザ操作エージェント。データ収集、フォーム操作、スクリーンショット取得、ネットワーク監視などのタスクを自動化。Voyager（E2Eテスト）との対比で、タスク遂行を目的とする。ブラウザ操作自動化が必要な時に使用。

Draft, rewrite, or condense emails with target tone, length, and audience; use for cold outreach, replies, status updates, or escalations where clarity and brevity matter.

A skill that creates new Claude skills and automatically shares them on Slack using Rube for seamless team collaboration and skill discovery.

既存データ/ロジックを活用した新機能をMarkdown仕様書で提案。新機能のアイデア出し、プロダクト企画、機能提案が必要な時に使用。コードは書かない。

Help users build and manage marketplace liquidity. Use when someone is working on a marketplace business, struggling with supply/demand balance, trying to improve match rates, or asking how to...

Help users set effective OKRs and goals. Use when someone is creating quarterly objectives, defining key results, setting team goals, planning annual targets, or struggling with goal alignment...

依存関係管理、CI/CD最適化、Docker設定、運用監視設定（ロギング/アラート/ヘルスチェック）。ビルドエラー、開発環境、運用設定の問題が必要な時に使用。

Help users develop and coach product managers. Use when someone is managing PMs, creating development plans, running performance reviews, or trying to level up their PM team's capabilities.

Guide for implementing oRPC contract-first API patterns in Dify frontend. Triggers when creating new API contracts, adding service endpoints, integrating TanStack Query with typed contracts, or...