api-designer

Design scalable REST and GraphQL APIs with OpenAPI 3.1 specifications.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/vibekit-apps/skills-registry --skill api-designer-vibekit-apps
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-designer
Source: https://github.com/vibekit-apps/skills-registry/tree/main/skills/api-design
Command: npx skills add https://github.com/vibekit-apps/skills-registry --skill api-designer-vibekit-apps

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Designing modern APIs that are clear, scalable, and developer-friendly across REST and GraphQL, with precise contracts and documentation.

Core Features & Use Cases

  • OpenAPI 3.1 compliant specification for REST endpoints, including schemas, parameters, responses, and security.
  • GraphQL schema planning and endpoint design, including type definitions and resolver contracts.
  • Versioning, pagination, error handling, authentication strategies, and contract documentation to enable smooth API evolution.

Quick Start

Draft a complete OpenAPI 3.1 specification for a REST service and include example requests, responses, and error schemas.

Frequently Asked Questions about api-designer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design a scalable REST API with OpenAPI 3.1 specifications?

Design scalable REST APIs by drafting complete OpenAPI 3.1 specifications that define schemas, parameters, responses, and security. This approach ensures consistent naming, clear error contracts, and comprehensive documentation for smooth API evolution.

What's the best way to plan a GraphQL schema and endpoint design?

Plan GraphQL schemas by defining type definitions and resolver contracts for your endpoints. This ensures precise contracts and developer-friendly documentation, enabling clear API design and scalable query structures for GraphQL projects.

How do I handle API versioning, pagination, and error handling strategies?

Handle API versioning, pagination, and error handling by applying consistent strategies across REST and GraphQL projects. Define clear error contracts and pagination patterns to enable smooth API evolution and reliable client integration.

Can I use this approach for both REST and GraphQL API documentation?

Yes, this approach applies to both REST and GraphQL projects. It supports OpenAPI documentation for REST endpoints and GraphQL schema planning, ensuring consistent naming, complete specifications, and comprehensive API documentation across both paradigms.

How do I structure authentication and security schemas in an OpenAPI specification?

Structure authentication in OpenAPI specifications by defining security schemes for your REST endpoints. This ensures clear security contracts, comprehensive documentation, and consistent authentication strategies across your scalable API design.

Why does my API design need consistent naming and complete error contracts?

Your API design needs consistent naming and complete error contracts to ensure clarity, scalability, and developer-friendly integration. Precise contracts and comprehensive documentation prevent misalignment and enable smooth API evolution.