It is not widely known, but vanilla AI is not able to manage envoys properly.
Most of the time it will shuffle all the envoys through the same spy network task, which would result in many envoys staying unassigned and on cooldown, while doing nothing.
This mod corrects this behaviour, making AI properly distribute envoys between prioritised spy networks.
This also has a positive effect on other AI envoys activities: as AI stops messing up its envoys, they can now spend more time improving/harming relations, boosting diplomatic weight in galactic community or working in federation.
Crisis Beacon and Imperium operations are also enabled for AI.
Mod requires: DLC Stellaris: Nemesis