openapi_spec is a Dart package for working with OpenAPI specifications to do a whole host of things, including:

• Generate an OpenAPI specification from a OpenApi defined Dart object
• Parse an OpenAPI specification into a OpenApi defined Dart object
• Generate artifacts from an OpenAPI specification
  • Component schema library
  • Client code library
  • Server code library
  • Swagger UI static documentation (v4.19.0)

Yes! This package is used in production applications and is actively maintained!

An example client that was generated using openapi_spec is the pinecone Dart package on pub.dev.

Please see the openapi_spec Github repository. Feel free to open an issue to report bugs or request new features.