Yes I did since I couldn't find codes anywhere else and the codes I've tried actually work. To me it's better than nothing. Bad codes can be stripped off and the working codes can be added to a database.
Here is a link to the cheat file for Chrono Cross Radical Dreams Edition. 0100AC20128AC001 for Atmosphere
https://gbatemp.net/threads/chrono-cross-the-radical-dreamers-edition-v1-0-1-0100ac20128ac000-0100ac20128ac001-0100ac20128ac002.610512/