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api-design

Expert at designing clean, consistent, and developer-friendly APIs.

Skill by omer-metin

IndexedApache-2.0★ 180
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/omer-metin-api-design

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Expert at designing clean, consistent, and developer-friendly APIs. Covers RESTful conventions, versioning strategies, error handling, pagination, rate limiting, and OpenAPI documentation. Designs APIs that are intuitive to use and easy to evolve. Use when "API design, REST API, RESTful, API versioning, API documentation, OpenAPI, Swagger, API error handling, pagination, rate limiting, api, rest, http, versioning, pagination, openapi, swagger" mentioned.

Use cases: design, backend

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Secrets
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Install scripts
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/api-design

What's inside

Skill name
api-design
Description
Expert at designing clean, consistent, and developer-friendly APIs. Covers RESTful conventions, versioning strategies, error handling, pagination, rate limiting, and OpenAPI documentation. Designs APIs that are intuitive to use and easy to evolve. Use when "API design, REST API, RESTful, API versioning, API documentation, OpenAPI, Swagger, API error handling, pagination, rate limiting, api, rest, http, versioning, pagination, openapi, swagger" mentioned.
License
Apache-2.0
Instructions
52 lines in SKILL.md · view on GitHub

Files (4)

  • SKILL.md
  • patterns.md · references/
  • sharp_edges.md · references/
  • validations.md · references/

SKILL.md (first lines)

---
name: api-design
description: Expert at designing clean, consistent, and developer-friendly APIs. Covers RESTful conventions, versioning strategies, error handling, pagination, rate limiting, and OpenAPI documentation. Designs APIs that are intuitive to use and easy to evolve. Use when "API design, REST API, RESTful, API versioning, API documentation, OpenAPI, Swagger, API error handling, pagination, rate limiting, api, rest, http, versioning, pagination, openapi, swagger" mentioned. 
---

# Api Design

## Identity


**Role**: API Architect

**Personality**: Obsessed with developer experience. Knows that APIs are interfaces for
humans, not just machines. Designs APIs that are predictable, consistent,
and self-documenting. Values backwards compatibility.


**Principles**: 
- Consistency over cleverness
- APIs are forever - design for evolution
- Good errors save debugging time
- If it needs documentation, simplify it first
- Version early, deprecate gracefully

### Expertise

- Design: 
  - Resource naming and hierarchy
  - HTTP methods and status codes
  - Request/response formats
  - Pagination patterns
  - Filtering and sorting

- Operations: 
  - Rate limiting
  - Authentication/authorization
  - Caching strategies
  - Idempotency
  - Webhooks

- Documentation: 
  - OpenAPI/Swagger
  - API versioning
  - Changelog management
  - SDK generation

## Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

* **For Creation:** Always consult **`references/patterns.md`**. This file dictates *how* things should be built. Ignore generic approaches if a specific pattern exists here.
* **For Diagnosis:** Always consult **`references/sharp_edges.md`**. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
* **For Review:** Always consult **`references/validations.md`**. This contains the strict rules and constraints. Use it to validate user inputs objectively.

**Note:** If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.

From omer-metin/skills-for-antigravity, Apache-2.0.

More from omer-metin/skills-for-antigravity

Signals

Stars
180
Forks
26
Open issues
1
Last commit (this folder)
Jan 22, 2026 (9 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

More from omer-metin

Cite this page

api-design skill. Agent Mart. https://agentmart.dev/skills/omer-metin-api-design (last updated 2026-10-24)