Worked on enhancing the HTTP API Client OpenAPI documentation within the Effect-TS/effect repository, focusing on improving the accuracy and usability of API docs for downstream developers. Leveraged TypeScript and OpenAPI to implement parameter description inheritance from schemas, ensuring that path, query, and header parameters are clearly documented. Expanded test coverage to include URL parameters, validating both client behavior and documentation consistency. The technical approach emphasized schema definition and robust testing practices, resulting in OpenAPI generation that better supports client onboarding and integration. These enhancements reduced integration time and improved the overall developer experience for users of the HTTP API client.