webagentlab/webchain-legacy

WebChain WebChain is a large-scale, human-annotated dataset of real-world web interaction trajectories for training and evaluating GUI agents and web agents. WebChain contains 31,725 trajectories, 317,993 steps, and 428 unique domains. Its core contribution is a Triple Alignment of visual context, structural context, and action grounding, enabling supervision for both spatial grounding and long-horizon planning. Paper: https://arxiv.org/abs/2603.05295 Open access… See the full description on the dataset page: https://huggingface.co/datasets/webagentlab/webchain-legacy.