Design e Frontend

Implement UCP Checkout over the REST binding — create, get, update, complete, and cancel checkout sessions with proper headers, idempotency, status transitions, and error handling. Use when building REST-based UCP checkout endpoints or clients.

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Build and consume WooCommerce REST API v3 endpoints — authentication, custom endpoints, extending existing resources, webhooks, and batch operations. Use when creating custom API endpoints or integrating external systems with WooCommerce.

Customize BigCommerce checkout — Checkout SDK, embedded checkout, server-side checkout API, custom checkout UI, and checkout extensions. Use when modifying the checkout experience or building headless checkout flows.

Implement AP2 MCP servers — payment tools exposed via Model Context Protocol for agent access to payment capabilities. Use when building MCP-based payment tool integrations for AP2.

Build WooCommerce payment gateways — WC_Payment_Gateway, direct/redirect/hosted integrations, tokenization, subscriptions support, refunds, and PCI compliance. Use when creating custom payment method integrations.

Implement ACP order lifecycle management and webhook event delivery. Use when building order creation, status tracking, fulfillment updates, post-purchase adjustments, and HMAC-signed webhook emission.

Metodologia especializada de prompt de engenharia de software para Claude. Utilize ao criar prompts para design de sistemas, revisão de código, resposta a incidentes, análise de segurança, design de API, decisões de arquitetura, RFCs, ADRs, runbooks ou liderança técnica.

Implement AP2 cryptographic signing — hardware-backed user signatures, merchant entity signatures, VDC integrity, key management, and attestation flows. Use when building the signing, verification, and key management components of AP2 mandates.

Apply PHP design patterns — Singleton, Factory, Strategy, Observer, Repository, Decorator, and Dependency Injection in PHP. Use when structuring WooCommerce extension code or implementing complex business logic.

Build BigCommerce apps — single-click apps, OAuth flow, app callbacks, connector apps, control panel integration, and App Marketplace submission. Use when creating integrations that install via the BigCommerce App Marketplace.