http://mixer6nlb7llpb76tkpnydmcn2zqxz7qdrz2f5yedmutd3tr6dgcjsyd.onion
So don't use the "Recover Intermediate Addresses" tool unless there has been an error with a transaction. What limitations does it have? Shared Coin can never completely sever the link between the input and destination address, there will always be a connection between them, it is just more difficult to analyse.