Regarding European Commission (EC) funding projects, OpenAIRE provides instructions on how to expose the projects information metadata through the Guidelines for datasource managers (https://guidelines.openaire.eu/), now including Horizon Europe (HE) projects. By following the OpenAIRE Guidelines for Literature, institutional, and thematic Repositories it is ensured that metadata specifications from the Horizon Europe (HE) Open Science requirements are met. To this end, OpenAIRE started by updat...