fastify-best-practices
Fastify framework best practices with deep focus on plugin architecture, encapsulation, and composition patterns. Use when building, reviewing, or refactoring Fastify applications. Covers plugin registration, fastify-plugin usage, decorators, hooks, project structure, and common anti-patterns.
steve-jobs
Product design methodology emulating Steve Jobs' approach to crafting digital products. Use when building consumer-facing applications, designing user interfaces, creating product specifications, critiquing designs, making product decisions, or when the user wants a "Jobs-like" perspective on their work. Activates for requests involving product vision, design philosophy, UX simplification, feature prioritization, or building products with exceptional taste and focus.
stripe-api-design
Design REST APIs the way Stripe does — resource-oriented, predictable, extensible, and built for indefinite backward compatibility. Use when designing new endpoints, modeling resources, choosing request/response shapes, defining error contracts, planning pagination or idempotency, evolving an existing API, or reviewing API designs. Triggers on tasks involving REST APIs, public APIs, SDK design, webhook delivery, API versioning, or "Stripe-like" API ergonomics.