This edition goes one layer down, to the AI tools built for other AI: somewhere to keep an agent's context, one key to reach every model, a marketplace where agents buy their own data, a way to watch them in production, and a voice to speak with.

As AI-powered search environments like ChatGPT and Google AI Overviews become dominant, a new category of tools has appeared to make brand visibility inside AI answers measurable and influenceable. These are the most popular ones.