1
Purpose-built for designing REST/GraphQL APIs: resource modeling, OpenAPI specs, versioning, pagination, and error patterns.
Best API Design Skills for Claude Code (2026)
The best Claude Code skills for api design work — from official skill repos to community contributors. Hand-filtered from 10 genuinely relevant results across 30,000+ skills.
✅ 10 curated📊 10 relevant in catalog
At a glance
Our top pick for api design is api-designer: Purpose-built for designing REST/GraphQL APIs: resource modeling, OpenAPI specs, versioning, pagination, and error patterns. api-design and api-design-reviewer round out the podium. It includes an official skill from GitHub. 7 of the 10 picks are rated high-relevance for this exact use case.
2
Focused REST design guide covering resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting.
3
Reviews an existing API design for consistency and best practices, complementing the from-scratch design skills.
4
Backend architecture and API design patterns for Node.js, Express, and Next.js API routes with database optimization.
5
Designs REST APIs alongside microservices, database architecture, and auth flows for end-to-end backend API design.
6
Builds production Node.js services with Express/Fastify covering middleware, error handling, auth, and API design best practices.
7
Turns OpenAPI 3.0 schemas into TypeScript interfaces and type guards, closing the loop from API spec to typed client code.
8
Builds ASP.NET Minimal API endpoints with proper OpenAPI documentation, a concrete design-and-document workflow.
9
Generates API documentation from source for REST and GraphQL, a key deliverable of good API design.
10
Scaffolds a production-ready application directly from an OpenAPI specification, driving spec-first API design.
Frequently asked
What is the best api design skill for Claude Code?
api-designer (from Jeffallan-claude-skills) is our #1 pick. Purpose-built for designing REST/GraphQL APIs: resource modeling, OpenAPI specs, versioning, pagination, and error patterns. It ranked first out of 10 genuinely relevant skills we evaluated for api design.
How were these api design skills selected?
We filtered 30,000+ catalogued Claude Code skills down to 10 genuinely relevant to api design, then ranked the top 10 by usefulness, completeness, and source reputation, spanning backend, ai-ml.
How do I install a api design skill in Claude Code?
Open any skill on this list for full instructions. In most cases you copy the skill folder (with its SKILL.md) into your project's .claude/skills/ directory, or install it via the source repo's plugin marketplace. All 10 listed skills are open source and free.