API Design Patterns

by affaan-m

API Design Patterns is a Quality skill for Claude Code, published by affaan-m in ECC.

239.8K stars36.4K forkson affaan-m/ECCAdded 2026/08/13Repository updated 2026/08/12

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Install in seconds

Install API Design Patterns

Copy API Design Patterns 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/affaan-m/ECC/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/affaan-m/ECC.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 affaan-m/ECC
Installs to: ~/.claude/skills/api-design
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What API Design Patterns does

API Design Patterns provides conventions and best practices for designing consistent REST APIs. Use it when creating endpoints, reviewing contracts, handling pagination, error responses, status codes, filtering, or versioning.

API Design Patterns is cataloged under Quality on DirSkills. API Design Patterns comes from a repository tagged ai-agents, anthropic, claude, claude-code and developer-tools.

Documentation

README

Excerpt

API Design Patterns

Conventions and best practices for designing consistent, developer-friendly REST APIs.

When to Activate

Designing new API endpoints
Reviewing existing API contracts
Adding pagination, filtering, or sorting
Implementing error handling for APIs
Planning API versioning strategy
Building public or partner-facing APIs

Resource Design

URL Structure

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

Frequently asked about API Design Patterns

What else does affaan-m publish alongside API Design Patterns?
API Design Patterns is one of 25 skills that DirSkills catalogs from affaan-m/ECC, the repository it ships in. Its siblings there include AI Regression Testing, AI-First Engineering and API Connector Builder. Each one is a separate skill with its own page in this directory, installs the same way API Design Patterns does, and is maintained by affaan-m in that same repository. The rest of the collection is listed on the affaan-m/ECC page.
How does API Design Patterns compare to other Quality skills?
API Design Patterns ranks #1 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and AI Regression Testing. 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 Patterns against them. Open each page to compare what they document and how they install.