API Design

by margelo

API Design is an AI Engineering skill for Claude Code, published by margelo in react-native-skills.

167 stars8 forkson margelo/react-native-skillsAdded 2026/09/08+2% in starsRepository updated 2026/08/21

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Install in seconds

Install API Design

Copy API Design into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/margelo/react-native-skills/tree/main/skills/api-design ~/.claude/skills/api-design

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/margelo/react-native-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/api-design/SKILL.md in margelo/react-native-skills
Installs to: ~/.claude/skills/api-design
Collection: One of 9 skills cataloged from this repository
Category: AI Engineering — 3670 skills

What API Design does

API Design helps shape predictable public APIs for TypeScript, JavaScript, React, and React Native libraries. Use it when designing exported functions, hooks, options objects, events, errors, or cross-platform abstractions.

API Design is cataloged under AI Engineering on DirSkills. API Design comes from a repository tagged agent, agent-skills, ai, llm and react.

Documentation

README

Excerpt

API Design

Use this skill before implementation or when reviewing a public API surface. Target explicit types, stable semantics, and no irrelevant internals in the public contract.

If the library is a Nitro Module, use this skill for the public TypeScript and React API shape first, then use build-nitro-modules for Nitro-specific spec, native-state, and binding constraints. If the library is JS-only, React-only, or React Native JS-only, stay in this skill.

Workflow

This is the opening of the README. Read the full README on GitHub.

Frequently asked about API Design

What else does margelo publish alongside API Design?
API Design is one of 9 skills that DirSkills catalogs from margelo/react-native-skills, the repository it ships in. Its siblings there include Build Nitro Modules, C++ and Kotlin. Each one is a separate skill with its own page in this directory, installs the same way API Design does, and is maintained by margelo in that same repository. The rest of the collection is listed on the margelo/react-native-skills page.
How does API Design compare to other AI Engineering skills?
API Design ranks #3303 by stars among the 3670 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of API Design against them. Open each page to compare what they document and how they install.