Hi @Winfield - Aeternity is a decentralised network. This means there is no central point to keep your interest. Of course, the Anstalt and the Foundation do their best to help the ecosystem but if you want to track tokens - you shall do that in a trestles manner. In the context of the tool - that would mean host it yourself 
So short answer would be - if you find the tool useful, yes, do host it. It would not cost you tokens to run it but you’d need to have a MDW running.
I am still developing iris functionality and have not started working on this yet.