Main Street Competes ActThis bill requires the Department of Justice (DOJ) and the Federal Trade Commission (FTC) to separately report biennially to the Small Business Administration (SBA) on how such agency's enforcement of federal antitrust law has promoted competition and deterred anticompetitive conduct that harms small businesses. The reports must include the number of antitrust inquiries, investigations, and enforcement actions conducted by the agencies.Further, the SBA must report to Congress a summary of the DOJ and FTC reports that includes, as appropriate, recommendations for administration actions that may promote competition and deter anticompetitive conduct.The bill replaces a requirement that the President report annually to Congress about the role of small businesses in the economy on an industry-by-industry basis.