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API design principles and decision-making.
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Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
Master API documentation with OpenAPI 3.1.
Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
Database design principles and decision-making.
MASTER DB: Zero-Downtime, Schema Design (3NF), SQL/NoSQL.
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
| name | api-patterns |
| description | API design principles and decision-making. |
| category | architecture |
| version | 4.1.0-fractal |
| layer | master-skill |
API design principles and decision-making for 2025. Learn to THINK, not copy fixed patterns.
Read ONLY files relevant to the request! Check the content map, find what you need.
| File | Description | When to Read |
|---|---|---|
api-style.md | REST vs GraphQL vs tRPC decision tree | Choosing API type |
rest.md | Resource naming, HTTP methods, status codes | Designing REST API |
response.md | Envelope pattern, error format, pagination | Response structure |
graphql.md | Schema design, when to use, security | Considering GraphQL |
trpc.md | TypeScript monorepo, type safety | TS fullstack projects |
versioning.md | URI/Header/Query versioning | API evolution planning |
auth.md | JWT, OAuth, Passkey, API Keys | Auth pattern selection |
rate-limiting.md | Token bucket, sliding window | API protection |
documentation.md | OpenAPI/Swagger best practices | Documentation |
security-testing.md | OWASP API Top 10, auth/authz testing | Security audits |
| Need | Skill |
|---|---|
| API implementation | @[skills/backend-development] |
| Data structure | @[skills/database-design] |
| Security details | @[skills/security-hardening] |
Before designing an API:
DON'T:
DO:
| Script | Purpose | Command |
|---|---|---|
scripts/api_validator.py | API endpoint validation | python scripts/api_validator.py <project_path> |
