OpenAPI Specification 2.0 (formerly Swagger 2.0) defines a JSON/YAML format for describing RESTful APIs: paths, operations, parameters, responses, schemas, and security. Use this skill when creating or editing Swagger 2.0 specs, validating structure, or generating code/documentation from them. The skill is based on OpenAPI Specification 2.0, generated at 2026-01-30. Core References | Topic | Description | Reference | |-------|-------------|-----------| | Format and Structure | Document format, file structure, data types | core-format-and-structure | | Fixed and Patterned Fields | Fixed vs pat…