Backend

Defines conventions for Next.js 16 API route handlers, server actions, middleware chaining, Zod validation, error handling, and typed responses. Trigger when the user mentions: "API route", "route handler", "REST endpoint", "server action", "API middleware", "request validation", "API error handling", "NextResponse", "POST handler", "GET handler", "API versioning", "webhook", or asks to build any backend endpoint or server-side mutation.

sateeshs0

Backend

Command

Encapsulate a request as an object, enabling undo/redo, queuing, and logging of operations.

Satcomx00-x000

Backend

Backend and API design patterns — RESTful and GraphQL API conventions, error handling, pagination, authentication patterns, and database best practices.

Satcomx00-x000

Backend

Angular Signal Forms

Angular Signal Forms API (experimental, @angular/forms/signals). Covers form(), schema(), FormField directive, built-in validators (required, email, min, max, minLength, maxLength, pattern), custom validation with validate()/validateTree()/validateAsync()/validateHttp(), conditional logic (applyWhen, applyWhenValue), nested forms (apply, applyEach), form submission with submit(), debounce(), disabled/hidden/readonly fields, metadata system, Zod/Standard Schema integration via validateStandardSchema(), and FormValueControl/FormCheckboxControl contracts for custom controls.

SaschaLeh0

Backend

Api Endpoint

Creates Next.js API routes with Firebase. Use when adding GET/POST/PATCH/DELETE endpoints, implementing pagination, adding auth checks, or handling file uploads. Includes route templates and error handling.

jhlee04090

Backend

Wot Ui V2

回答、生成、重构、排查 wot-ui v2 相关代码时使用。关键词：wot-ui、uni-app、Vue3、wd-、ConfigProvider、useToast、useDialog、Form、Popup、theme、llms-full。适用于组件选型、API 查询、示例页面生成、主题定制、常见坑排查。

sanbei1010

Backend

Yiliao

前端开发规范

sanbei1010

Backend

Django Rest Framework Master Rules

Advanced enterprise-level architecture rules for Django REST Framework (DRF) projects, including custom base classes, responses, security, and performance.

sanakkiyan-s0

Backend

Api Design Mastery

REST, GraphQL, and tRPC patterns for scalable, type-safe APIs

SamuelSaha0

Backend

Smartorder Api

Patrones de API y servicios para SmartOrder. Usa esta skill cuando trabajes con endpoints, HttpClient, servicios, o transformadores de datos.

samuop0

Backend

Rails Service Object Patterns

Write Rails service objects following the project's Base service pattern: module-namespaced classes inheriting from Base, chain-style call methods with early returns, OpenStruct responses, ActiveRecord transactions, I18n message keys, and serialized data output. Use this skill whenever creating service classes for CRUD operations, business logic, or any work in app/services/. Triggers on: 'create service', 'add service', 'service object', 'business logic', 'new service file', 'call method', or any task involving app/services/.

samrocks030

Backend

Yaif Generation

Create perfectly tailored and formatted YAIF (Yet Another Interface File) schema definitions. Use when you need to define data models, interfaces, or enums that can generate Python, TypeScript, JSON Schema, HTML CRUD apps, or Discord output.

SamTechAV0

Backend

Pixellab Api

Complete PixelLab REST API and JavaScript SDK reference. Use when the user mentions "pixellab api", "pixellab sdk", "@pixellab-code/pixellab", "PixelLabClient", "pixellab endpoint", "pixellab rest", or writes code that imports the PixelLab SDK.

Jared-Waldroff0

Backend

Api Design

Expert in RESTful API design, endpoint structure, HTTP methods, status codes, and API best practices. Use this skill when designing new APIs, reviewing endpoint structure, or ensuring REST compliance.

ComputerEnterprisesInc0

Backend

Api Tester

Systematic REST and GraphQL API endpoint testing: happy path, error cases, auth flows, rate limits, schema validation. Use when: testing backend APIs, validating endpoint responses, checking error ...

JansenAnalytics0

Backend

Python Backend Fastapi

FastAPI + Pydantic v2 backend workflow: implement/modify API endpoints with thin handlers + service layer, add pytest tests, manage idempotent Alembic migrations, and implement streaming ETL/parsers with invalid-row CSV logging. Use this skill when working on Python backend APIs, schema changes, or ingestion/parsing pipelines.

janjaszczak0

Backend

Grpc Handler

Create a new GRPC (Connect RPC) handler for the Order Service following established project patterns. Covers handler file, server registration, store layer, converter, and mock updates.

cooli880

Backend

Api Patterns

API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.

jangtrinh0

Backend

Fastapi Code Review

Reviews FastAPI code for routing patterns, dependency injection, validation, and async handlers. Use when reviewing FastAPI apps, checking APIRouter setup, Depends() usage, or response models.

cortezalberto0

Backend

Websocket Engineer

Use when building real-time communication systems with WebSockets or Socket.IO. Invoke for bidirectional messaging, horizontal scaling with Redis, presence tracking, room management.

cortezalberto0

Backend

Honojs Development

Hono.js backend service development — TypeScript, middleware, auth, database integration, Docker deployment. MUST use for ANY Hono.js development. Triggers on: "hono", "Hono.js", "hono middleware", "hono route", "kodemeio-hono", or ANY Hono.js backend task.

tgunawandev0

Backend

Python Backend

Production-grade Python backend with FastAPI, Django, SQLAlchemy, Pydantic, Celery, and pytest

SamuelSaha0

Backend

Stage Pulumi Provider Repro

Stage durable Pulumi-side repro artifacts for provider issues after the routing question has already narrowed to a Pulumi repro, or when the user explicitly asks for that help. Use when Codex needs to create maintainer-quality examples or tests in a provider repo, preserve the exact lifecycle path that matters, prefer repo-native repros over ad hoc temp directories, and report what can or cannot be executed without credentials.

corymhall0

Backend

Java Spring Best Practices

Enterprise-grade Spring Boot 3.5.x/4.x development guide. Use when building Spring Boot APIs, microservices, or enterprise Java applications. Covers Java Records as DTOs, Virtual Threads, ProblemDetail (RFC 7807), RestClient, structured logging, Testcontainers, observability, sealed exception hierarchies, and GraalVM native. Triggers on: Spring Boot, Spring MVC, REST APIs in Java, microservices in Java, enterprise Java development.

cosbort0

Backend

Huma Api Builder

Expert guidance for building REST APIs with HUMA v2 framework in Go. Use when creating new HUMA APIs, adding endpoints to existing HUMA projects, implementing validation/middleware/auth, structuring HUMA projects (clean architecture, monolith, microservices, flat), testing HUMA APIs, handling streaming/SSE, or troubleshooting HUMA-specific issues. Always uses Go 1.22+ standard library router (humago adapter).

samcharles930

Backend

Api Integration

Guide Questrade API and Yahoo Finance2 integration patterns including rate limiting, caching, error handling, and data normalization. Activates when working on broker sync, stock data fetching, or external API calls.

samb-park0

Backend

Basil Development

Develop and test Basil web applications with HTTP handlers, routing, sessions, authentication, databases, and interactive components (Parts).

sambeau0

Backend

Nextjs App Router

Next.js 15 App Router patterns for MERIDIAN. Use this skill whenever creating pages, layouts, route handlers, server/client components, loading states, error boundaries, or working with the App Router. Also use when implementing TanStack Query providers, Suspense boundaries, or API routes.

cosmopax0

Backend

Sbd1 Proyecto2

Skill para el Proyecto 2 de Sistemas de Bases de Datos 1 (SBD1) USAC 2026. Usar cuando el estudiante esté trabajando en la Dockerización de Oracle XE, API REST con Node.js/Express, consultas estadísticas SQL, o documentación del sistema de Centros de Evaluación de Manejo. Cubre: Docker/Docker Compose, Oracle XE, Node.js, Express, oracledb driver, Postman, DBeaver.

ipatzantzic190

Backend

Backend

Models

Next.js API Patterns

Command

Backend

Angular Signal Forms

Api Endpoint

Wot Ui V2

Yiliao

Django Rest Framework Master Rules

Api Design Mastery

Smartorder Api

Rails Service Object Patterns

Yaif Generation

Pixellab Api

Api Design

Api Tester

Python Backend Fastapi

Grpc Handler

Api Patterns

Fastapi Code Review

Websocket Engineer

Honojs Development

Python Backend

Stage Pulumi Provider Repro

Java Spring Best Practices

Huma Api Builder

Api Integration

Basil Development

Nextjs App Router

Sbd1 Proyecto2