A2H: Agent-to-Human Protocol for AI Agent

Fuente: arXiv
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Main Authors: Liang, Zhiyuan, Cui, Enfang, Wei, Qian, She, Rui, Li, Tianzheng, Guo, Minxin, Cheng, Yujun
Format: Preprint
Published: 2025
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author Liang, Zhiyuan
Cui, Enfang
Wei, Qian
She, Rui
Li, Tianzheng
Guo, Minxin
Cheng, Yujun
author_facet Liang, Zhiyuan
Cui, Enfang
Wei, Qian
She, Rui
Li, Tianzheng
Guo, Minxin
Cheng, Yujun
contents AI agents are increasingly deployed as autonomous systems capable of planning, tool use, and multi-agent collaboration across complex tasks. However, existing agent-related protocols focus on agent-to-agent interactions, leaving humans as external observers rather than integrated participants within the agent systems. This limitation arises from the lack of a standardized mechanism for agents to discover, address, and interact with humans across heterogeneous messaging platforms. In this paper, we propose the A2H (Agent-to-Human) protocol, a unified protocol that enables humans to be registered, discovered, and communicated with by AI agents as resolvable entities within agent systems. A2H contributes three key components: (1) Human Card for registering human identities via resolvable domain names, making them discoverable to agents; (2) Formal Communication Schema defines when, why, and how agents contact with human;(3) Unified Messaging Abstraction standardizes diverse communication medias and transforms complex JSON outputs into human-friendly formats. This work establishes a foundational protocol for integrating humans into agent ecosystems, advancing AI agents from isolated autonomous systems toward truly human-connected intelligent infrastructures.
format Preprint
id arxiv_https___arxiv_org_abs_2602_15831
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A2H: Agent-to-Human Protocol for AI Agent
Liang, Zhiyuan
Cui, Enfang
Wei, Qian
She, Rui
Li, Tianzheng
Guo, Minxin
Cheng, Yujun
Human-Computer Interaction
Multiagent Systems
AI agents are increasingly deployed as autonomous systems capable of planning, tool use, and multi-agent collaboration across complex tasks. However, existing agent-related protocols focus on agent-to-agent interactions, leaving humans as external observers rather than integrated participants within the agent systems. This limitation arises from the lack of a standardized mechanism for agents to discover, address, and interact with humans across heterogeneous messaging platforms. In this paper, we propose the A2H (Agent-to-Human) protocol, a unified protocol that enables humans to be registered, discovered, and communicated with by AI agents as resolvable entities within agent systems. A2H contributes three key components: (1) Human Card for registering human identities via resolvable domain names, making them discoverable to agents; (2) Formal Communication Schema defines when, why, and how agents contact with human;(3) Unified Messaging Abstraction standardizes diverse communication medias and transforms complex JSON outputs into human-friendly formats. This work establishes a foundational protocol for integrating humans into agent ecosystems, advancing AI agents from isolated autonomous systems toward truly human-connected intelligent infrastructures.
title A2H: Agent-to-Human Protocol for AI Agent
topic Human-Computer Interaction
Multiagent Systems
url https://arxiv.org/abs/2602.15831