Authors
The main authors of the Mrcc code and their major contributions are as follows.
 Mihály Kállay:

general design; driver program (dmrcc); input analyzer (minp); automated, stringbased manybody code (goldstone, xmrcc, mrcc); domain construction for local correlation calculations (mulli); particular integral evaluation algorithms (integ); direct and densityfitting (DF) Hartree–Fock (HF) algorithms, DFT algorithms (scf); densityfitting MP2 and RPA algorithms (drpa);
 Zoltán Rolik:

integral transformation and orbital optimization code (ovirt); domain construction for local correlation calculations (mulli)
 József Csontos:

installation script (build.mrcc), geometry optimization, basis set optimization, the Mrcc homepage
 István Ladjánszki:

Hartree–Fock selfconsistent field code (scf)
 Lóránt Szegedy:

coupledcluster singles and doubles code (ccsd)
 Bence Ladóczki:

atomic orbital integral code (integ)
 Gyula Samu:

densityfitting integrals (integ)
 Klára Petrov:

orbital relaxation contribution to gradients for density fitting methods, density fitting MP2 gradient (prop)
 Máté Farkas:

orbital relaxation contribution to gradients for coupledcluster methods (prop)
 Péter Nagy:

local correlation methods (drpa)
 Dávid Mester:

excitedstate approaches (cis), bond functions (integ)
 Bence Hégely:

QM/MM approaches (qmmod)
In addition, Bence Kornis, Levente Dojcsák, Huliyar S. Nataraj, and Sanghamitra Das have also contributed to the development of the Mrcc code.