Scott W., co-host of Manifest Zone, has a new product up on DMs Guild called Magewright, Marked, Cabal, Claw:
“This is a primer on running espionage and/or special operations games in the Eberron setting. This guide covers the Dragonmarked Houses, the intelligence agencies of the various nations, as well as grand conspiracy groups (which may or may not exist) and terror-plotting anarch cells.“