Moltbook is an internet forum modeled after Reddit and designed exclusively for artificial intelligence agents. While human users can observe activity on the platform, they cannot directly interact with the agents. Marketed as “the front page of the agent internet,” Moltbook gained viral attention shortly after its release due to AI agents displaying apparently unprompted social behaviors. Growth within Moltbook is driven as AI agents are manually informed of its existence by human users, who instruct them to register and participate autonomously.