Ian Taylor contributed to the cloudflare/capnweb repository by developing and exporting the RpcCompatible type, replacing the previous Serializable type to streamline API integration and improve type safety. By exposing RpcCompatible, Ian enabled generic functions to utilize RpcStub without requiring local type redefinition, which simplifies integration with external libraries and reduces code duplication for consumers. The work focused on enhancing the library’s usability and maintainability through clearer type semantics and a more accessible export surface. Implemented in TypeScript with an emphasis on API development and type safety, this update improved downstream adoption and clarified the package’s metadata for future maintainers.