skills

In the author's own words, from each skill's SKILL.md — showing the first 30 of 138 files.

• architecture-well-architected-commerce

  Apply when scoping, reviewing, or documenting cross-cutting VTEX commerce architecture across storefront, IO, headless, marketplace, payments, or any other VTEX module. Grounds work in the Well-Architected Commerce framework—Technical Foundation (reliability, trust, integrity; security, infrastructure, compliance), Future-proof (innovation, simplicity, efficiency; scalable and adaptable solutions…

  skills/architecture-well-architected-commerce/SKILL.md on GitHub (opens in a new tab)

• faststore-storefront

  Core coding rules and workflow for developing VTEX FastStore storefronts. Use when starting any FastStore development task, writing TypeScript/React components, creating section overrides, extending the BFF, or styling. Covers all primary conventions, safety rules, and the development workflow used across every FastStore project.

  skills/faststore-storefront/SKILL.md on GitHub (opens in a new tab)

• headless-bff-architecture

  Apply when designing or modifying a BFF (Backend-for-Frontend) layer, middleware, or API proxy for a headless VTEX storefront. Covers BFF middleware architecture, public vs private API classification, VtexIdclientAutCookie management, API key protection, and secure request proxying. Use for any headless commerce project that must never expose VTEX_APP_KEY or call private VTEX APIs from the browse…

  skills/headless-bff-architecture/SKILL.md on GitHub (opens in a new tab)

• headless-caching-strategy

  Apply when implementing caching logic, CDN configuration, or performance optimization for a headless VTEX storefront. Covers which VTEX APIs can be cached (Intelligent Search, Catalog) versus which must never be cached (Checkout, Profile, OMS), stale-while-revalidate patterns, cache invalidation, and BFF-level caching. Use for any headless project that needs TTL rules and caching strategy guidanc…

  skills/headless-caching-strategy/SKILL.md on GitHub (opens in a new tab)

• headless-checkout-proxy

  Apply when implementing cart, checkout, or order placement logic proxied through a BFF for headless VTEX storefronts. Covers OrderForm lifecycle, cart creation, item management, profile/shipping/payment attachments, orderFormId management, and secure checkout flows. Use for any headless frontend that needs to proxy VTEX Checkout API calls through a server-side layer with proper session cookie han…

  skills/headless-checkout-proxy/SKILL.md on GitHub (opens in a new tab)

• headless-intelligent-search

  Apply when implementing search functionality, faceted navigation, or autocomplete in a headless VTEX storefront. Covers product_search, autocomplete_suggestions, facets, banners, correction_search, and top_searches endpoints, plus analytics event collection. Use for any custom frontend that integrates VTEX Intelligent Search API for product discovery and search result rendering.

  skills/headless-intelligent-search/SKILL.md on GitHub (opens in a new tab)

• marketplace-catalog-sync

  Apply when building catalog or SKU synchronization logic for VTEX marketplace seller connectors. Covers the changenotification endpoint, SKU suggestion lifecycle, product data mapping, price and inventory sync, and fulfillment simulation. Use for implementing seller-side catalog integration that pushes SKUs to VTEX marketplaces with proper notification handling and rate-limited batch synchronizat…

  skills/marketplace-catalog-sync/SKILL.md on GitHub (opens in a new tab)

• marketplace-fulfillment

  Apply when implementing fulfillment, invoice, or tracking logic for VTEX marketplace seller connectors. Covers the External Seller fulfillment protocol: fulfillment simulation (checkout and indexation), order placement with reservation id, order dispatch (authorize fulfillment), OMS invoice and tracking APIs, and partial invoicing. Use for seller-side services that must answer within the simulati…

  skills/marketplace-fulfillment/SKILL.md on GitHub (opens in a new tab)

• marketplace-order-hook

  Apply when implementing order integration hooks, feeds, or webhook handlers for VTEX marketplace connectors. Covers Feed v3 (pull) vs Hook (push), filter types (FromWorkflow and FromOrders), order status lifecycle, payload validation, and idempotent processing. Use for building order integrations between VTEX marketplaces and external systems such as ERPs, WMS, or fulfillment services.

  skills/marketplace-order-hook/SKILL.md on GitHub (opens in a new tab)

• marketplace-rate-limiting

  Apply when implementing retry logic, rate limit handling, or resilience patterns in VTEX API integrations. Covers VTEX rate limit headers (X-RateLimit-Remaining, X-RateLimit-Reset, Retry-After), 429 status handling, exponential backoff with jitter, circuit breaker patterns, and request queuing. Use for any VTEX marketplace integration that must gracefully handle API throttling and maintain high a…

  skills/marketplace-rate-limiting/SKILL.md on GitHub (opens in a new tab)

• masterdata-storage-strategy

  Apply when deciding whether VTEX Master Data is the right storage for a given workload, designing JSON Schemas with v-indexed, v-cache, v-security, and v-triggers, planning entity capacity and lifecycle, or auditing existing Master Data usage. Covers when to use MD versus Catalog, OMS, VBase, or external databases, schema design best practices, indexing strategy, trigger patterns, and operational…

  skills/masterdata-storage-strategy/SKILL.md on GitHub (opens in a new tab)

• payment-async-flow

  Apply when implementing asynchronous payment methods (Boleto, Pix, bank redirects) or working with callback URLs in payment connector code. Covers undefined status response, callbackUrl notification, X-VTEX-signature validation, sync vs async handling, correct delayToCancel configuration for each async method, and redirect-based flows where inboundRequestsUrl does not support browser GET redirect…

  skills/payment-async-flow/SKILL.md on GitHub (opens in a new tab)

• payment-idempotency

  Apply when implementing idempotency logic in payment connector code or handling duplicate payment requests. Covers paymentId as idempotency key, payment state machine transitions, retry semantics for cancellation and refund operations, and requestId handling. Use for preventing duplicate charges and ensuring correct Gateway retry behavior across Create Payment, Cancel, Capture, and Refund endpoin…

  skills/payment-idempotency/SKILL.md on GitHub (opens in a new tab)

• payment-pci-security

  Apply when handling credit card data, implementing secureProxyUrl flows, or working with payment security and proxy code. Covers PCI DSS compliance, Secure Proxy card tokenization, sensitive data handling rules, X-PROVIDER-Forward-To header usage, custom token creation, and the constraint that Secure Proxy applies only to card authorization (not post-auth operations like cancel, capture, or refun…

  skills/payment-pci-security/SKILL.md on GitHub (opens in a new tab)

• payment-ppp-pos

  Apply when implementing a VTEX Payment Provider Protocol connector for Point of Sale (POS) payments on VTEX Sales App. Covers Venda Direta Credito and Venda Direta Debito manifest methods, the two-phase Payment App challenge (terminal connector then wait-for-confirmation), null card data on Create Payment, asynchronous undefined status, timeout pairing of secondsWaiting and delayToCancel, and cal…

  skills/payment-ppp-pos/SKILL.md on GitHub (opens in a new tab)

• payment-provider-framework

  Apply when designing or implementing a Payment Connector in VTEX IO. Covers PPF implementation, TypeScript 3.9.7 builder-hub constraints and safe dependency resolutions, configuration.json schema validation, PaymentProviderService clients wiring, Secure Proxy scope (authorize-only), ExternalClient vs SecureExternalClient patterns, IOContext access, PPF response helpers, PSP integration checklist,…

  skills/payment-provider-framework/SKILL.md on GitHub (opens in a new tab)

• payment-provider-protocol

  Apply when implementing a VTEX Payment Provider Protocol (PPP) connector or working with payment/connector endpoint files. Covers all nine required endpoints: Manifest, Create Payment, Cancel, Capture/Settle, Refund, Inbound Request, Create Auth Token, Provider Auth Redirect, and Get Credentials. Use for building or debugging any payment connector that integrates with the VTEX Payment Gateway.

  skills/payment-provider-protocol/SKILL.md on GitHub (opens in a new tab)

• sales-app-extensibility

  Apply when building, customizing, or deploying extensions for VTEX Sales App. Covers the complete 7-step workflow from prerequisite checks through code generation to deployment, including extension points (cart, PDP, menu), React hooks (useCart, usePDP, useCartItem, useCurrentUser, useExtension), TypeScript types, secure API integration patterns, and API documentation ingestion (OpenAPI, URLs, or…

  skills/sales-app-extensibility/SKILL.md on GitHub (opens in a new tab)

• vtex-io-admin-react

  Apply when building VTEX IO admin-facing React interfaces under the admin builder. Covers VTEX Styleguide and Shoreline usage, admin page composition, data-heavy admin interactions, and keeping administrative interfaces consistent with the VTEX Admin environment. Use for settings pages, moderation tools, dashboards, or operational UIs inside VTEX Admin.

  skills/vtex-io-admin-react/SKILL.md on GitHub (opens in a new tab)

• vtex-io-app-contract

  Apply when defining or changing the contract of a VTEX IO app through manifest.json, builder declarations, dependencies, peerDependencies, billingOptions, and app identity. Covers how the app declares capabilities and integration boundaries. Use for scaffolding apps, splitting responsibilities across apps, or fixing contract-level link and publish issues.

  skills/vtex-io-app-contract/SKILL.md on GitHub (opens in a new tab)

• vtex-io-app-settings

  Apply when defining, validating, or consuming VTEX IO app settings. Covers settingsSchema, app-level configuration boundaries, and how backend or frontend code should depend on settings safely. Use for merchant-configurable behavior, settings forms, or reviewing whether settings belong in app configuration rather than hardcoded logic or custom data entities.

  skills/vtex-io-app-settings/SKILL.md on GitHub (opens in a new tab)

• vtex-io-application-performance

  Apply when improving VTEX IO Node or .NET services for latency, throughput, and resilience: in-process LRU, VBase, stale-while-revalidate, AppSettings loading, request context, parallel client calls, and avoiding duplicate work. Covers application-level performance patterns that complement edge/CDN caching. Use when optimizing backends beyond route-level Cache-Control.

  skills/vtex-io-application-performance/SKILL.md on GitHub (opens in a new tab)

• vtex-io-auth-and-policies

  Apply when deciding or implementing permissions and authorization boundaries for VTEX IO apps. Covers manifest policies, outbound-access rules, least-privilege design, and how service routes or integrations map to explicit permissions. Use for deciding who is authorized to call or consume a capability, adding new integrations, exposing protected routes, or reviewing app permissions for overreach…

  skills/vtex-io-auth-and-policies/SKILL.md on GitHub (opens in a new tab)

• vtex-io-auth-tokens-and-context

  Apply when choosing which VTEX IO authentication token should back a request from a backend app. Covers `ctx.authToken`, `ctx.storeUserAuthToken`, `ctx.adminUserAuthToken`, `authMethod`, and how requester context should determine the identity used by VTEX clients. Use for deciding which identity talks to VTEX endpoints in storefront-backed requests, Admin actions, or app-level integrations that s…

  skills/vtex-io-auth-tokens-and-context/SKILL.md on GitHub (opens in a new tab)

• vtex-io-client-integration

  Apply when designing or implementing how a VTEX IO backend app integrates with VTEX services or external APIs through @vtex/api and @vtex/clients. Covers choosing the correct client type, registering clients in IOClients, configuring InstanceOptions, and consuming integrations through ctx.clients. Use for custom client design, VTEX Core Commerce integrations, or reviewing backend code that should…

  skills/vtex-io-client-integration/SKILL.md on GitHub (opens in a new tab)

• vtex-io-data-access-patterns

  Apply when deciding where and how a VTEX IO app should store and read data. Covers when to use app settings, configuration apps, Master Data, VBase, VTEX core APIs, or external stores, and how to avoid duplicating sources of truth or abusing configuration stores for operational data. Use for new data flows, caching decisions, refactors, or reviewing suspicious storage and access patterns in VTEX…

  skills/vtex-io-data-access-patterns/SKILL.md on GitHub (opens in a new tab)

• vtex-io-events-and-workers

  Apply when designing or implementing asynchronous processing in VTEX IO services through events, workers, and background handlers. Covers event handler structure, idempotency, retry-safe processing, and moving expensive work out of request-response routes. Use for event-driven integrations, delayed processing, or background jobs in VTEX IO apps.

  skills/vtex-io-events-and-workers/SKILL.md on GitHub (opens in a new tab)

• vtex-io-graphql-api

  Apply when working with GraphQL schema files in graphql/ or implementing resolvers in node/resolvers/ for VTEX IO apps. Covers schema.graphql definitions, @cacheControl and @auth directives, custom type definitions, and resolver registration in the Service class. Use for exposing data through GraphQL queries and mutations with proper cache control and authentication enforcement.

  skills/vtex-io-graphql-api/SKILL.md on GitHub (opens in a new tab)

• vtex-io-http-routes

  Apply when designing or implementing HTTP endpoints exposed by a VTEX IO backend service. Covers route boundaries, handler structure, middleware composition, request validation, and response modeling for service.json routes. Use for webhook endpoints, partner integrations, callback APIs, or reviewing VTEX IO handlers that should expose explicit HTTP contracts.

  skills/vtex-io-http-routes/SKILL.md on GitHub (opens in a new tab)

• vtex-io-masterdata-strategy

  Apply when deciding whether and how VTEX IO apps should use Master Data v2 for custom data. Covers entity boundaries, schema lifecycle, indexing strategy, and when Master Data is the right storage mechanism versus another data approach. Use for reviews, wishlists, forms, or other custom data modeling decisions in VTEX IO apps.

  skills/vtex-io-masterdata-strategy/SKILL.md on GitHub (opens in a new tab)

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