TDM' AI uses all available racial buildings, computer viruses (Cue Cuppa build nasty CV+AS ships
) Some races also put master computers to help the crew. True, AI cannot make pure MC ships and only uses MC as a gimmick. It is possible to make AI build Monoliths - simply restrict the research of extractors/mines/farms to level 1 and force AI to research several levels of monolithes ASAP and it will build them !