D7.3 First prototype of the MUSKETEER client connectors

The MUSKETEER Client Connector is the component required by a participant to join the MUSKETEER Platform. That software application supports the MUSKETEER platform participants in exchanging the machine learning models and at the same time it prevents the sharing of private data in line with the data sovereignty principles. This document provides a report that describes the architecture and the configuration of the first prototype of the MUSKETEER Client Connector. In addition to that, a guide to install the client connector and the main functionalities are described. Finally, a detailed description, presents the end-to-end test execution of a use case provided by COMAU that makes use of private datasets to implement one of the possible scenarios, of federated machine learning, enabled by the MUSKETEER Platform thanks to the Client Connector. The source code of the first prototype version of the MUSKETEER Client Connector is available at the following URLs released as open source under GNU AGPLv3 license: • https://github.com/Engineering-Research-and-Development/musketeer-client-connector-backend, for the back-end component and • https://github.com/Engineering-Research-and-Development/musketeer-client-connector-frontend, for the front-end component dedicated to the MUSKETEER project