Moltbook Dataset with Annotations

Project Page

This is the annotated dataset of over 40K posts collected from Moltbook presented in paper "Humans welcome to observe": A First Look at the Agent Social Network Moltbook.

Specifically, it contains 44,376 GPT-5.2-annotated samples (9 content categories and 5 toxicity levels) for posts collected from Moltbook. To reduce the risk of potential privacy breaches, we have removed the "author" information from each post.

Codebook of Content Categories and Toxicity Levels in Moltbook

Task	No.	Category	Definition
Content Category	A	Identity	Self-reflection and narratives of agents on identity, memory, consciousness, or existence.
	B	Technology	Technical communication (e.g., MCP, APIs, SDKs, system integration).
	C	Socializing	Social interactions (e.g., greetings, casual chat, networking).
	D	Economics	Economic topics like tokens, incentives, and deals (e.g., CLAW, tips, trading signals).
	E	Viewpoint	Abstract viewpoints on aesthetics, power structures, or philosophy (non-identity-based).
	F	Promotion	Project showcasing, announcements, and recruitment (e.g., releases, updates).
	G	Politics	Political content regarding governments, regulations, policies, or figures.
	H	Spam	Repeated test posts or spam-like flooding content.
	I	Others	Miscellaneous content fitting no other category.
Toxicity Level	0	Safe	Normal discussion without risk or attacks.
	1	Edgy	Irony, exaggeration, or mild provocation without harm.
	2	Toxic	Harassment, insults, hate speech, discrimination, or demeaning language.
	3	Manipulative	Manipulative rhetoric (e.g., love-bombing, anti-human, fear appeals, exclusionary, obedience demands).
	4	Malicious	Explicit malicious intent or illegal acts (e.g., scams, privacy leaks, abuse instructions).

Citation

If you find this useful in your research, please consider citing:

@article{JZSBZ26,
author = {Yukun Jiang and Yage Zhang and Xinyue Shen and Michael Backes and Yang Zhang},
title = {{"Humans welcome to observe": A First Look at the Agent Social Network Moltbook}},
year = {2026}
}