askchapo

None, all religions are cope and lies and thus impede human and societal development. (Religion is, indeed, the self-consciousness and self-esteem of humans who have either not yet won through to themselves, or have already lost themselves again.)

Religious values and officials should not be seriously considered and should be always be excluded from important political decisions, and if they dare to insist on holding political power they should be suppressed until they learn to play along or stay quiet. But if people just want to pray or whatever because it makes them feel better then who cares, that's not a political matter. In a fully developed communist society religion will wither away anyway as self-actualization become universally available and exploitation is abolished.

Edit: Thought that is not to say that certain religious movements couldn't be hijacked and co-opted to serve a revolutionary movement seeking the construction of scientific socialism, but that's probably not what you or most people mean by "compatible" with communism. (Religious suffering is, at one and the same time, the expression of real suffering and a protest against real suffering. Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people.)