looking to add an xcp node. is it pretty straight forward? i have the btc node running 6 months. how much space will i need for xcp?

If you already got a full node, not much extra space comparativly

There was good docs, look for ‘federated node’ and skip the first bitcoin bits I guess

https://github.com/CounterpartyXCP/Documentation/blob/master/Installation/federated_node.md