Skills（SKILL.md）は、AIエージェント（Claude Code、Cursor、Codexなど）に特定の能力を追加するための設定ファイルです。
詳しく見る →Create disposable virtual credit cards for online purchases. Use as a payment method when completing any online checkout during a task — e.g. ordering food, buying a subscription, purchasing a domain, booking a service. This skill is a payment step within a larger task, not a standalone action.