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Designs REST and GraphQL APIs including endpoints, error handling, versioning, and documentation. Use when creating new APIs, designing endpoints, reviewing API contracts, or when asked about REST, GraphQL, or API patterns.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Convex backend development guidelines. Use when writing Convex functions, schemas, queries, mutations, actions, or any backend code in a Convex project. Triggers on tasks involving Convex database operations, real-time subscriptions, file storage, or serverless functions.
Analyzes and optimizes application performance across frontend, backend, and database layers. Use when diagnosing slowness, improving load times, optimizing queries, reducing bundle size, or when asked about performance issues.
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
Implements error handling patterns, structured logging, retry strategies, circuit breakers, and graceful degradation. Use when designing error handling, setting up logging, implementing retries, adding error tracking, or when asked about error boundaries, log aggregation, alerting, or resilience patterns.
Implements authentication, authorization, encryption, secrets management, and security hardening patterns. Use when designing auth flows, managing secrets, configuring CORS, implementing rate limiting, or when asked about JWT, OAuth, password hashing, API keys, RBAC, or security best practices.
Analyzes codebases to understand structure, tech stack, patterns, and conventions. Use when onboarding to a new project, exploring unfamiliar code, or when asked "how does this work?" or "what's the architecture?"
| name | designing-apis |
| description | Designs REST and GraphQL APIs including endpoints, error handling, versioning, and documentation. Use when creating new APIs, designing endpoints, reviewing API contracts, or when asked about REST, GraphQL, or API patterns. |
Copy this checklist and track progress:
API Design Progress:
- [ ] Step 1: Define resources and relationships
- [ ] Step 2: Design endpoint structure
- [ ] Step 3: Define request/response formats
- [ ] Step 4: Plan error handling
- [ ] Step 5: Add authentication/authorization
- [ ] Step 6: Document with OpenAPI spec
- [ ] Step 7: Validate design against checklist
# Resource-based URLs (nouns, not verbs)
GET /users # List users
GET /users/:id # Get user
POST /users # Create user
PUT /users/:id # Replace user
PATCH /users/:id # Update user
DELETE /users/:id # Delete user
# Nested resources
GET /users/:id/orders # User's orders
POST /users/:id/orders # Create order for user
# Query parameters for filtering/pagination
GET /users?role=admin&status=active
GET /users?page=2&limit=20&sort=-createdAt
| Code | Meaning | Use Case |
|---|---|---|
| 200 | OK | Successful GET, PUT, PATCH |
| 201 | Created | Successful POST |
| 204 | No Content | Successful DELETE |
| 400 | Bad Request | Invalid input |
| 401 | Unauthorized | Missing/invalid auth |
| 403 | Forbidden | Valid auth, no permission |
| 404 | Not Found | Resource doesn't exist |
| 409 | Conflict | Duplicate, state conflict |
| 422 | Unprocessable | Validation failed |
| 429 | Too Many Requests | Rate limited |
| 500 | Internal Error | Server error |
Success Response:
{
"data": {
"id": "123",
"type": "user",
"attributes": {
"name": "John Doe",
"email": "john@example.com"
}
},
"meta": {
"requestId": "abc-123"
}
}
List Response with Pagination:
{
"data": [...],
"meta": {
"total": 100,
"page": 1,
"limit": 20,
"totalPages": 5
},
"links": {
"self": "/users?page=1",
"next": "/users?page=2",
"last": "/users?page=5"
}
}
Error Response:
{
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid input data",
"details": [
{
"field": "email",
"message": "Must be a valid email address"
}
]
},
"meta": {
"requestId": "abc-123"
}
}
URL Versioning (Recommended):
/api/v1/users
/api/v2/users
Header Versioning:
Accept: application/vnd.api+json; version=1
JWT Bearer Token:
Authorization: Bearer eyJhbGciOiJIUzI1NiIs...
API Key:
X-API-Key: your-api-key
X-RateLimit-Limit: 100
X-RateLimit-Remaining: 95
X-RateLimit-Reset: 1609459200
Retry-After: 60
Schema Design:
type Query {
user(id: ID!): User
users(filter: UserFilter, pagination: Pagination): UserConnection!
}
type Mutation {
createUser(input: CreateUserInput!): UserPayload!
updateUser(id: ID!, input: UpdateUserInput!): UserPayload!
}
type User {
id: ID!
name: String!
email: String!
orders(first: Int, after: String): OrderConnection!
}
input CreateUserInput {
name: String!
email: String!
}
type UserPayload {
user: User
errors: [Error!]
}
See OPENAPI-TEMPLATE.md for the full OpenAPI 3.0 specification template.
After completing the design, validate against this checklist:
Validation Checklist:
- [ ] All endpoints use nouns, not verbs
- [ ] HTTP methods match operations correctly
- [ ] Consistent response format across endpoints
- [ ] Error responses include actionable details
- [ ] Pagination implemented for list endpoints
- [ ] Authentication defined for protected endpoints
- [ ] Rate limiting headers documented
- [ ] OpenAPI spec is complete and valid
If validation fails, return to the relevant design step and address the issues.