# Openapi Spec Generation

> <!-- AUTO-GENERATED by export-skills.py — DO NOT EDIT -->

- Skill: `frank-luongt/openapi-spec-generation` (Agent Skill)
- Install (CLI): `npx skillmds@latest add frank-luongt/openapi-spec-generation`
- Raw SKILL.md: https://api.skillmd.com/api/skills/frank-luongt/openapi-spec-generation/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: frank-luongt (https://skillmd.com/u/frank-luongt)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/frank-luongt/openapi-spec-generation

---

<!-- AUTO-GENERATED by export-skills.py — DO NOT EDIT -->
---
name: openapi-spec-generation
description: Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API contract compliance.
tags: [api, backend]
---

# OpenAPI Spec Generation

Comprehensive patterns for creating, maintaining, and validating OpenAPI 3.1 specifications for RESTful APIs.

## Use this skill when

- Creating API documentation from scratch
- Generating OpenAPI specs from existing code
- Designing API contracts (design-first approach)
- Validating API implementations against specs
- Generating client SDKs from specs
- Setting up API documentation portals

## Do not use this skill when

- The task is unrelated to openapi spec generation
- You need a different domain or tool outside this scope

## Instructions

- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.

## Resources


<!-- Source: .faos/custom/skills/backend/openapi-spec-generation/SKILL.md -->