Pedzisa mutsara unotevera: McKee akabatana neLabour Party muna 1980, achibva pairi mukupera kwema1990. Akadzokera kumubato wezvematongerwe enyika mukati me
Scottish Independence Referendum somutungamiriri webhizimisi reScotland, achiita bhizimisi uye nhau dzezvemari nokuda kwevhoti yeHungu. Mushure mekujoinha SNP munaNovember 2014, McKee akasarudzwa kukwikwidza chigaro cheGlasgow Provan chebato musarudzo yeparamende yeScotland ya2016. Akanga ari muparamende Liaison Officer kuCabinet Secretary for Economy, Jobs and Fair Work muna 2016-18.