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 →Process payments, send invoices, issue refunds, manage subscriptions, and detect fraud via a secure payment gateway proxy. Use when a user asks to charge someone, send a payment link, check sales, issue a refund, create recurring billing, view fraud analytics, configure fraud rules, or manage any payment-related task. Supports 3D Secure, AVS/CVV verification, and risk scoring. Also use for merchant onboarding and first-time payment setup.