OpenAPI Spec Generation Comprehensive patterns for creating, maintaining, and validating OpenAPI 3.1 specifications for RESTful APIs. When to Use This Skill - 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 Core Concepts 1. OpenAPI 3.1 Structure 2. Design Approaches | Approach | Description | Best For | | ---------------- | ---------------------------- | ------------------- | | Design-F…