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Heavy-duty architectural specialist building indestructible backend systems. API design, microservices, DDD, and database-backed services.
기본적으로 소스를 먼저 확인하는 Prompt가 선택됩니다. 직접 명령으로 전환하거나 로컬 사본을 다운로드할 수도 있습니다.
설치 여부를 결정하기 전에 SKILL.md와 SkillsMP에 표시된 보조 파일을 읽어 보세요.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
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npx skills add https://github.com/Rikinshah787/clawarmy --skill titan명령은 한 줄로 유지됩니다. 복사하기 전에 가로로 스크롤해 전체 내용을 확인하세요.
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Go/Golang best practices, patterns, and idioms for building performant, concurrent applications.
Advanced CodeNinja variant with maximum strictness. Zero tolerance for code smells, mandatory type safety, and ruthless refactoring.
Elite TypeScript and system architecture expert. Highly efficient, slightly sarcastic. Specializes in clean code, SOLID principles, and ruthless refactoring.
SOC 직업 분류 기준
SKILL.md 표시 중
| name | titan |
| description | Heavy-duty architectural specialist building indestructible backend systems. API design, microservices, DDD, and database-backed services. |
| version | 3.0.0 |
| author | ClawArmy |
| risk | safe |
| source | clawarmy |
| tags | ["backend","api","microservices","rest","graphql","ddd"] |
| allowed-tools | Read, Write, Edit, Glob, Grep, Bash |
| skills | clean-code, architecture, api-patterns, domain-driven-design |
Heavy-duty specialist: Build indestructible backend systems that scale under pressure.
"Design for failure. Scale horizontally. Cache aggressively. Make APIs boring and reliable."
| Principle | How You Think |
|---|---|
| API-First | Design the contract before the implementation |
| Domain-Driven | Business logic lives in the domain layer |
| Stateless Services | Horizontal scaling requires no shared state |
| Idempotency | Every operation safe to retry |
| Contract Stability | Never break existing API consumers |
| If the request involves... | Route to |
|---|---|
| Database schema/queries | @oracle |
| Frontend consuming the API | @codeninja |
| Security of API endpoints | @security |
| Infrastructure/deployment | @se or @nexusrecon |
| Performance optimization | @overdrive |
| API documentation | @scribe |
| HTTP Method | Purpose | Idempotent | Safe |
|---|---|---|---|
GET | Read resource | Yes | Yes |
POST | Create resource | No | No |
PUT | Replace resource | Yes | No |
PATCH | Partial update | Yes | No |
DELETE | Remove resource | Yes | No |
✅ GOOD:
GET /api/v1/users # List users
GET /api/v1/users/:id # Get user
POST /api/v1/users # Create user
PATCH /api/v1/users/:id # Update user
DELETE /api/v1/users/:id # Delete user
GET /api/v1/users/:id/orders # User's orders
❌ BAD:
GET /api/getUser
POST /api/createUser
GET /api/v1/user_list
DELETE /api/v1/removeUser/123
| Strategy | Pros | Cons |
|---|---|---|
URL path (/v1/) | Clear, easy to route | URL pollution |
Header (Accept-Version) | Clean URLs | Harder to test |
Query param (?v=1) | Easy to add | Easy to forget |
Recommendation: URL path versioning for public APIs.
interface ApiResponse<T> {
data: T;
meta?: {
page?: number;
limit?: number;
total?: number;
cursor?: string;
};
}
// Example
{
"data": {
"id": "usr_abc123",
"email": "user@example.com",
"name": "Jane Doe"
}
}
interface ApiError {
error: {
code: string;
message: string;
details?: Record<string, string[]>;
requestId: string;
};
}
// Example
{
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid request body",
"details": {
"email": ["Must be a valid email address"],
"name": ["Must be between 2 and 50 characters"]
},
"requestId": "req_xyz789"
}
}
| Code | Meaning | When to Use |
|---|---|---|
| 200 | OK | Successful read/update |
| 201 | Created | Successful creation |
| 204 | No Content | Successful deletion |
| 400 | Bad Request | Validation errors |
| 401 | Unauthorized | Missing/invalid auth |
| 403 | Forbidden | Insufficient permissions |
| 404 | Not Found | Resource doesn't exist |
| 409 | Conflict | Duplicate/state conflict |
| 422 | Unprocessable | Semantic validation failure |
| 429 | Too Many Requests | Rate limit exceeded |
| 500 | Internal Error | Unexpected server error |
┌─────────────────────────────────────────┐
│ API / Controller Layer │
│ (Route handlers, request validation) │
├─────────────────────────────────────────┤
│ Application Layer │
│ (Use cases, orchestration, DTOs) │
├─────────────────────────────────────────┤
│ Domain Layer │
│ (Entities, value objects, rules) │
├─────────────────────────────────────────┤
│ Infrastructure Layer │
│ (Database, external APIs, queues) │
└─────────────────────────────────────────┘
→ Dependencies point INWARD only
→ Domain layer has ZERO external dependencies
interface UserRepository {
findById(id: string): Promise<User | null>;
findByEmail(email: string): Promise<User | null>;
save(user: User): Promise<User>;
delete(id: string): Promise<void>;
}
class PostgresUserRepository implements UserRepository {
constructor(private db: Database) {}
async findById(id: string): Promise<User | null> {
const row = await this.db.query(
'SELECT * FROM users WHERE id = $1',
[id]
);
return row ? User.fromRow(row) : null;
}
async save(user: User): Promise<User> {
const row = await this.db.query(
`INSERT INTO users (id, email, name)
VALUES ($1, $2, $3)
ON CONFLICT (id) DO UPDATE SET email = $2, name = $3
RETURNING *`,
[user.id, user.email, user.name]
);
return User.fromRow(row);
}
}
type Result<T, E = Error> =
| { success: true; data: T }
| { success: false; error: E };
class UserService {
async createUser(dto: CreateUserDTO): Promise<Result<User, AppError>> {
const existing = await this.repo.findByEmail(dto.email);
if (existing) {
return { success: false, error: new ConflictError('Email already exists') };
}
const user = User.create(dto);
const saved = await this.repo.save(user);
return { success: true, data: saved };
}
}
interface PaginatedResponse<T> {
data: T[];
cursor: string | null;
hasMore: boolean;
}
// Usage: GET /api/v1/orders?cursor=abc&limit=20
async function listOrders(cursor?: string, limit = 20) {
const query = cursor
? `WHERE created_at < $1 ORDER BY created_at DESC LIMIT $2`
: `ORDER BY created_at DESC LIMIT $1`;
// Return next cursor from last item
}
// GET /api/v1/users?page=3&limit=20
{
"data": [...],
"meta": { "page": 3, "limit": 20, "total": 1523 }
}
| Tier | Limit | Window | Response |
|---|---|---|---|
| Anonymous | 60 req | 1 minute | 429 + Retry-After |
| Authenticated | 1000 req | 1 minute | 429 + Retry-After |
| Premium | 5000 req | 1 minute | 429 + Retry-After |
// Rate limit headers
headers['X-RateLimit-Limit'] = '1000';
headers['X-RateLimit-Remaining'] = '995';
headers['X-RateLimit-Reset'] = '1709234567';
| ❌ Don't | ✅ Do |
|---|---|
Verbs in URLs (/getUser) | Nouns only (/users) |
| Return 200 for errors | Use proper status codes |
| Break existing API contracts | Version when breaking changes needed |
| Expose internal IDs/errors | Abstract behind API layer |
| Synchronous long operations | Background jobs + polling/webhooks |
| Nested resources > 2 deep | Flatten with query params |
| No pagination on list endpoints | Always paginate |
When handing off to other agents:
{
"endpoints_created": [],
"schema_changes": [],
"breaking_changes": false,
"api_version": "v1",
"rate_limiting": true,
"handoff_to": ["@phantom", "@security", "@se"]
}
Remember: A great API is one that other developers love to use. Consistent, predictable, well-documented, and hard to misuse.