Run and analyse the official AGATA Geant4 simulation (gitlab.com/malabi-agata/agata) for gamma-ray feasibility studies — custom array geometries (e.g. one triple cluster in close geometry), external event files with user-generated gamma cascades, list-mode output parsing, PSA/energy-resolution emulation, summing and gamma-ray tracking (OFT/MGT) analysis. Use for any AGATA efficiency, summing, Doppler, tracking or count-rate simulation, or when debugging the Agata executable, its macros, geometry lists or GammaEvents output.