Religions tend to impose ideas that are not possible to verify. Meanwhile, agnostics don't believe something that have not pass a verification process. Some agnostics practice a healthy skepticism about religions and spirituality in general.
It is not necessary to believe in an external God to be part of God's Community. God's Community isn't a religion. Agnosticism is the default option of God's Community, but we accept theists and atheists as well. Basically we currently accept any believe system that is benevolent and compatible with God's Community.
