There's been a fair amount of drift as River2 has been incorporated into Blork. Now when I do a fresh install of River2 in a fresh install of the OPML Editor, I get something that's fairly useless. True, if you know how to set the options you can have a very fine aggregator in just a few steps. But why not make it so that it's nice if you don't do anything.
Check the method, only accept GET and POST requests, returning an error for all other methods.
Factoring the code from opmleditor.member.validateRemote into a new glue table at system.verbs.apps.slide. We're going to need a way to put as well as get. And it's not all going to fit into the existing functionality provided by the opmlEditor level.