Total 44,144 skills, Backend Development has 3828 skills
Showing 12 of 3828 skills
Implement Stripe Billing for subscriptions, recurring payments, invoicing, and usage-based pricing. Use when: (1) Creating subscription plans (flat, tiered, per-seat, usage-based), (2) Managing subscription lifecycle (trials, upgrades, downgrades, cancellations), (3) Generating and customizing invoices, (4) Implementing metered/usage-based billing, (5) Setting up customer portal for self-service, (6) Configuring dunning and revenue recovery, (7) Applying coupons and promotion codes. Triggers on: subscription, recurring billing, invoice, usage-based, metered billing, SaaS pricing, subscription plan, trial, dunning, proration, customer portal, coupon, promotion code, billing cycle.
Research how production Rails apps solve architectural problems using the Real World Rails repository. Use when the user wants to know how other apps handle something, find patterns, or compare approaches. Triggers on "rails patterns", "how do other apps", "real world rails", "research how apps do".
Postgres-backed observability and policy store for the skill system. Provides tables for policy profiles (effect allowlists), skill execution runs, and step-level events. Use when setting up the skill system database or querying execution history.
Explains how to define http servers with effect. Use only when a top-level server is, or needs to be written in effect.
Hexagonal architecture layering for Java services with strict boundaries. Trigger: When structuring Java apps by Domain/Application/Infrastructure, or refactoring toward clean architecture.
WMS NestJS module (倉儲管理 NestJS 模組). Use when working with warehouse management, inventory tracking (庫存追蹤), location management (儲位管理), stock transactions (庫存異動), batch management (批次管理), or warehouse maps (倉庫地圖). Covers LocationService, MaterialService, StockService, OrderService, WarehouseMapService. Keywords: WMS, warehouse, 倉儲, 庫存, 儲位, TypeORM, NestJS, inventory, batch, stock
Creates technical architecture and system design.
PostgreSQL database optimization workflow for query tuning, indexing strategies, performance analysis, and production database management.
Guide for oRPC — a type-safe RPC framework combining end-to-end type safety with OpenAPI compliance. Use when user explicitly mentions "oRPC" or asks to "create oRPC procedures", "set up oRPC server", "configure oRPC client", "add oRPC middleware", "define oRPC router", "use oRPC with Next.js/Express/Hono/Fastify", "generate OpenAPI spec with oRPC", "integrate oRPC with TanStack Query", "stream with oRPC", "handle errors in oRPC", "set up oRPC contract-first", "migrate from tRPC to oRPC", or asks about oRPC procedures, routers, middleware, context, plugins, adapters, or server actions. Covers server setup, client creation, middleware chains, error handling, OpenAPI generation, file uploads, event iterators (SSE/streaming), server actions, contract-first development, and framework adapter integrations. Do NOT use for generic RPC/gRPC questions, tRPC-only questions (without migration context), or general TypeScript API development without oRPC.
Taiwan logistics integration (台灣物流整合). Use when working with CTC (中華宅配/宅配通), T-CAT (黑貓宅急便), or Taiwan delivery services. Covers package tracking (貨件追蹤), shipment creation (建立託運單), delivery status (配送狀態), and batch operations (批次追蹤). Keywords: 物流, 宅配, 貨運, 出貨, 寄送, logistics, shipping, delivery, tracking, CTC, TCAT, 黑貓, 中華宅配
Use when implementing client-server communication in Roblox, firing events between LocalScripts and Scripts, passing data across the network boundary, syncing game state, or defending against exploits that abuse RemoteEvents or RemoteFunctions.
Development guide for @rytass/sms base package (簡訊基底套件開發指南). Use when creating new SMS adapters (新增簡訊 adapter), understanding base interfaces, or extending SMS functionality. Covers SMSService interface and implementation patterns for Taiwan SMS providers (台灣簡訊服務提供商). Keywords - SMS adapter, 簡訊 adapter, service interface, 服務介面, message delivery, 訊息發送, batch processing, 批次處理, number normalization, 號碼正規化, Every8D, 互動資通, Interactive Communications