has topic Experiment annotation format JSON MHD MetabolomicsHub Common Data Model MHD was created to facilitate the MetabolomicsHub open consortium which aims to standardise open data practices in metabolomics. It brings together major data repositories including MetaboLights, Metabolomics Workbench, and GNPS/MassIVE. MHD (MetabolomicsHub Common Data Model) is a JSON-based format providing a standardised, FAIR-compliant data model for the exchange, discovery, and reuse of metabolomics dataset metadata across international repositories. mhd.json 1.26 Metabolomics