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Related papers: Defending LLM-based Multi-Agent Systems Against Co…

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Optimizing the communication structure of large language model based multi-agent systems (LLM-MAS) has been shown to improve downstream performance and reduce token usage. Existing methods typically rely on randomly sampled training tasks.…

Multiagent Systems · Computer Science 2026-05-11 Huchen Yang , Xinghao Dong , Dan Negrut , Jin-Long Wu

Large language models (LLMs) demonstrate strong reasoning abilities across mathematical, strategic, and linguistic tasks, yet little is known about how well they reason in dynamic, real-time, multi-agent scenarios, such as collaborative…

Multiagent Systems · Computer Science 2026-01-01 Shaurya Mallampati , Rashed Shelim , Walid Saad , Naren Ramakrishnan

Large Language Model (LLM)-based Multi-Agent Systems (MAS) enable complex problem-solving but introduce significant debugging challenges, characterized by long interaction traces, inter-agent dependencies, and delayed error manifestation.…

Multiagent Systems · Computer Science 2026-04-21 Jiazheng Li , Emine Yilmaz , Bei Chen , Dieu-Thu Le

Large Language Model (LLM)-powered agents demonstrate strong capabilities in autonomous task execution, tool use, and multi-step reasoning. However, their increasing autonomy also introduces a new attack surface: adversarial interactions…

Artificial Intelligence · Computer Science 2026-05-05 Sheldon Yu , Yingcheng Sun , Hanqing Guo , Julian McAuley , Qianqian Tong

Agents powered by advanced large language models (LLMs) have demonstrated impressive capabilities across diverse complex applications. Recently, Multi-Agent Systems (MAS), wherein multiple agents collaborate and communicate with each other,…

Multiagent Systems · Computer Science 2026-05-15 Shijun Li , Hilaf Hasson , Joydeep Ghosh

While multi-agent LLM systems show strong capabilities in various domains, they are highly vulnerable to adversarial and low-performing agents. To resolve this issue, in this paper, we introduce a general and adversary-resistant multi-agent…

Multiagent Systems · Computer Science 2025-06-02 Sana Ebrahimi , Mohsen Dehghankar , Abolfazl Asudeh

Large Language Model based multi-agent systems (MAS) excel at collaborative problem solving but remain brittle to cascading errors: a single faulty step can propagate across agents and disrupt the trajectory. In this paper, we present MASC,…

Recent advances in large language models (LLMs) have raised concerns about jailbreaking attacks, i.e., prompts that bypass safety mechanisms. This paper investigates the use of multi-agent LLM systems as a defence against such attacks. We…

Artificial Intelligence · Computer Science 2025-07-01 Maria Carolina Cornelia Wit , Jun Pang

Although large language models (LLMs) have revolutionized natural language processing capabilities, their practical implementation as autonomous multi-agent systems (MAS) for industrial problem-solving encounters persistent barriers.…

Computation and Language · Computer Science 2025-10-30 Hui Yi Leong , Yuheng Li , Yuqing Wu , Wenwen Ouyang , Wei Zhu , Jiechao Gao , Wei Han

LLM-based multi-agent systems (MAS) have emerged as an effective paradigm for complex and long-horizon tasks. However, in real-world tasks, MAS often exhibit various failures during execution and such failures are difficult to eliminate…

Multiagent Systems · Computer Science 2026-05-29 Zhezheng Hao , Tianfu Wang , Huanshuo Dong , Ziyan Liu , Hong Wang , Xiankun Lin , Qiang Lin , Can Wang , Hande Dong , Jiawei Chen

Over the past two years, the use of large language models (LLMs) has advanced rapidly. While these LLMs offer considerable convenience, they also raise security concerns, as LLMs are vulnerable to adversarial attacks by some well-designed…

Computation and Language · Computer Science 2025-04-24 Guang Lin , Toshihisa Tanaka , Qibin Zhao

Cooperative information shared among a multi-agent system (MAS) can be useful to agents to efficiently fulfill their missions. Relying on wrong information, however, can have severe consequences. While classical approaches only consider…

Signal Processing · Electrical Eng. & Systems 2019-05-23 Johannes Müller , Tobias Meuser , Ralf Steinmetz , Michael Buchholz

Large Language Models (LLMs) have shown remarkable reasoning capabilities in mathematical and scientific tasks. To enhance complex reasoning, multi-agent systems have been proposed to harness the collective intelligence of LLM agents.…

Artificial Intelligence · Computer Science 2025-10-22 Zhenyu Bi , Meng Lu , Yang Li , Swastik Roy , Weijie Guan , Morteza Ziyadi , Xuan Wang

LLM-powered Multi-Agent Systems (LLM-MAS) unlock new potentials in distributed reasoning, collaboration, and task generalization but also introduce additional risks due to unguaranteed agreement, cascading uncertainty, and adversarial…

Multiagent Systems · Computer Science 2025-10-22 Jinwei Hu , Yi Dong , Shuang Ao , Zhuoyun Li , Boxuan Wang , Lokesh Singh , Guangliang Cheng , Sarvapali D. Ramchurn , Xiaowei Huang

As Large Language Models (LLMs) are increasingly deployed in complex applications, their vulnerability to adversarial attacks raises urgent safety concerns, especially those evolving over multi-round interactions. Existing defenses are…

Cryptography and Security · Computer Science 2026-04-07 Siyuan Li , Zehao Liu , Xi Lin , Qinghua Mao , Yuliang Chen , Haoyu Li , Jun Wu , Jianhua Li , Xiu Su

Most discussions about Large Language Model (LLM) safety have focused on single-agent settings but multi-agent LLM systems now create novel adversarial risks because their behavior depends on communication between agents and decentralized…

Multiagent Systems · Computer Science 2025-10-10 Rana Muhammad Shahroz Khan , Zhen Tan , Sukwon Yun , Charles Fleming , Tianlong Chen

A large amount of work has been done in Multi-Agent Systems (MAS) for modeling and solving problems with multiple interacting agents. However, most LLMs are pretrained independently and not specifically optimized for coordination. Existing…

Artificial Intelligence · Computer Science 2025-12-10 Shuo Liu , Tianle Chen , Zeyu Liang , Xueguang Lyu , Christopher Amato

Multi-agent systems (MAS) and reinforcement learning (RL) are widely used to enhance the agentic capabilities of large language models (LLMs). MAS improves task performance through role-based orchestration, while RL uses environmental…

Machine Learning · Computer Science 2026-02-02 Yujie Zhao , Lanxiang Hu , Yang Wang , Minmin Hou , Hao Zhang , Ke Ding , Jishen Zhao

A multi-agent AI system (MAS) is composed of multiple autonomous agents that interact, exchange information, and make decisions based on internal generative models. Recent advances in large language models and tool-using agents have made…

Recently, autonomous agents built on large language models (LLMs) have experienced significant development and are being deployed in real-world applications. These agents can extend the base LLM's capabilities in multiple ways. For example,…

Cryptography and Security · Computer Science 2024-07-31 Boyang Zhang , Yicong Tan , Yun Shen , Ahmed Salem , Michael Backes , Savvas Zannettou , Yang Zhang