Explorar skills

Profile and optimize a Spree application — N+1 queries with bullet/scout, database indexing strategy for Spree's polymorphic associations, Rails fragment + Russian doll caching, ActiveStorage variant pre-generation, Sidekiq queue tuning, MeiliSearch vs Postgres FTS tradeoffs, Puma worker/thread sizing, CDN strategy for catalog pages, asset precompile time, and load testing. Use when Spree is slow,

Build and customize Spree's promotions engine — Promotion + PromotionRule + PromotionAction + CouponCode + Adjustment, the bundled rules (FirstOrder/ItemTotal/Product/Taxon/User/OneUsePerUser/Country/CustomerGroup/etc.), bundled actions (CreateAdjustment/CreateItemAdjustments/FreeShipping/CreateLineItems), Calculator classes, coupon batches with CSV export, the v5.1+ advanced rule-based engine, an

Implement UCP AP2 Mandates extension — cryptographic payment mandates for fully autonomous agent commerce using SD-JWT credentials, merchant authorization signatures, and the Agent Payments Protocol. Use when building autonomous agent payment flows without human-in-the-loop.

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.

UCP development patterns — capability negotiation algorithms, idempotency implementation, error resolution loops, multi-binding servers, and production architecture. Use when designing the internal architecture of a UCP implementation or solving cross-cutting concerns.

Design JSON Schemas for WebMCP tool inputs and outputs — proper types, constraints, nested objects, and agent-friendly documentation. Use when defining or refining tool schemas for agent consumption.

Work with WooCommerce catalog — product types, categories, tags, attributes, product queries, search, related products, and product visibility. Use when managing products programmatically or customizing the catalog display.

Implement WooCommerce security — nonces, capabilities, input sanitization, output escaping, data validation, PCI compliance considerations, and WordPress security best practices. Use when hardening a WooCommerce store or reviewing security posture.

Install WooCommerce, configure the development stack, and set up a local dev environment with WP-CLI, Docker, or wp-env. Use when setting up a new WooCommerce project or development environment.

Bootstrap a new Spree project — `create-spree-app` CLI (v5.2+), `spree-starter` Rails backend, the Next.js storefront repo, `bin/rails g spree:install`, sample data, Docker Compose, and the PostgreSQL + Redis + Sidekiq prerequisites. Use when starting a new Spree project from scratch or onboarding an existing repo.

Test Spree applications and extensions with RSpec — `spree_dev_tools` gem (v5.2+) for factories and helpers, FactoryBot patterns (prefer `build` over `create`), Capybara feature specs, controller/request specs, testing decorators and subscribers, dummy app for extension testing, system specs for the Hotwire admin, and CI patterns. Use when writing Spree tests, setting up CI, or refactoring slow sp

Configure Stripe as an MPP payment method — card and wallet payments via Shared Payment Tokens (SPTs), integrating MPP's HTTP 402 flow with Stripe's payment infrastructure. Use when enabling fiat/card payments for machine-to-machine transactions.