One of the most important and widely used tools for molecular networking, annotation and visualization in the metabolomics community is GNPS FBMN . In FBMN, MS 2 data are searched against publicly available, crowd-sourced spectral libraries and grouped with related molecules, creating networks within a metabolomics experiment. A new workflow, IIMN , is also integrated in the GNPS FBMN environment, and allows for connecting and collapsing different adducts of the same feature, improving networks that with sole MS 2 comparisons often remain unconnected. Our GNPS export sub workflow at the end of the pipeline generates all the files necessary for FBNM and IIMN (Figure ). Once the FBMN/IIMN job is completed, the user can download the data and annotate the GraphML file with SIRIUS and CSI:FingerID predictions to facilitate visual inspection of the network (Figure ).