# What Should Agents Say? Action-state Communication for Efficient Multi-Agent Systems

Published: 2026-06-05 · Updated: 2026-06-05 · Category: Research

Source page: https://www.sipply.dev/story/what-should-agents-say-action-state-communication-for-1302dc2f · 中文: https://www.sipply.dev/zh/story/what-should-agents-say-action-state-communication-for-1302dc2f

## Summary

Recent research has introduced PACT, a novel communication protocol designed to improve the efficiency of multi-agent systems. This protocol emphasizes action-centered communication, allowing agents to share relevant information about their actions and states more effectively. By prioritizing this type of information, PACT reduces the amount of communication tokens needed, which in turn enhances performance and optimizes cost across various system configurations. The findings suggest that adopting such protocols can significantly streamline interactions in multi-agent environments.

## Key takeaways

- PACT protocol enhances communication efficiency in multi-agent systems.
- Action-centered information sharing reduces token usage.
- Improved performance-cost trade-offs can be achieved with PACT.

## Why it matters

The development of efficient communication protocols like PACT is crucial for advancing multi-agent systems, which are increasingly used in complex environments such as robotics, autonomous vehicles, and distributed computing.

- **Product managers:** For product managers, understanding and implementing PACT can lead to more efficient multi-agent systems, ultimately resulting in better product performance and reduced operational costs.
- **Developers:** Developers and engineers can leverage the PACT protocol to enhance the design of multi-agent systems, making them more efficient and responsive to dynamic environments.
- **Students and job seekers:** Students and job-seekers in AI and robotics should be aware of emerging protocols like PACT, as they represent cutting-edge advancements that can influence future projects and career opportunities in multi-agent systems.

## Sources

- [What Should Agents Say? Action-state Communication for Efficient Multi-Agent Systems](https://arxiv.org/abs/2606.05304) (arXiv cs.AI, 2026-06-05)

## 中文

### 代理应该说什么？高效多智能体系统的行动状态通信

最近的研究引入了PACT，这是一种旨在提高多智能体系统效率的新通信协议。该协议强调以行动为中心的通信，使代理能够更有效地共享与其行动和状态相关的信息。通过优先考虑这种类型的信息，PACT减少了所需的通信令牌数量，从而提高了性能并优化了各种系统配置的成本。研究结果表明，采用此类协议可以显著简化多智能体环境中的交互。

**要点：**

- PACT协议提高了多智能体系统的通信效率。
- 以行动为中心的信息共享减少了令牌使用。
- 使用PACT可以实现更好的性能与成本权衡。

**为什么重要：** 开发像PACT这样的高效通信协议对于推进多智能体系统至关重要，这些系统在机器人技术、自动驾驶车辆和分布式计算等复杂环境中越来越多地被使用。

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