There are 2 repositories under mf4 topic.
Fast Python reader and editor for ASAM MDF / MF4 (Measurement Data Format) files
The MDF4 converter allows the conversion from ASCII ADMA data (.gsda) to MDF4 data (.mf4) and conversion from MDF4 data (.mf4) to Matlab data (.mat).
Small Python scripts for working with the CanEdge OBD logger