MACC is a national collaborative infrastructure to promote and support Open Science initiatives in supercomputing, data science and visualization. It is a sustainable computing and data infrastructure, aimed at national scientific and industrial communities, also articulating with international partners.

MACC was created in November 2017 through an agreement between FCT, the University of Minho and the University of Texas at Austin (USA), which manages one of the world's largest supercomputing centers in academia, the TACC - Texas Advanced Computing Center.

It is the main member of the RNCA - National Network for Advanced Computing - and operates a set of technological resources of the HPC - High Performance Computing - type for use by the research, technology, and innovation/industry communities.