This is a validation library for MAGE-TAB file format, which is used to describe functional genomics experiments in ArrayExpress archive. The first version of validator was developed by Annotare project team, and then moved to sorceforge as part of Limpopo MAGE-TAB Parser. Since then it was not changed much.
Magetabcheck is the next version of the validator.
Please refer to the Wiki for further details and usage instructions.