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By providing a standardized interface for LLM agents to interact with external tools, the Model Context Protocol (MCP) is quickly becoming a cornerstone of the modern autonomous agent ecosystem. However, it creates novel attack surfaces due…

Cryptography and Security · Computer Science 2025-08-22 Zhiqiang Wang , Yichao Gao , Yanting Wang , Suyuan Liu , Haifeng Sun , Haoran Cheng , Guanquan Shi , Haohua Du , Xiangyang Li

Large Language Models (LLMs) are increasingly integrated into real-world applications via the Model Context Protocol (MCP), a universal open standard for connecting AI agents with data sources and external tools. While MCP enhances the…

Cryptography and Security · Computer Science 2026-02-13 Yixuan Yang , Cuifeng Gao , Daoyuan Wu , Yufan Chen , Yingjiu Li , Shuai Wang

The Model Context Protocol (MCP) has rapidly emerged as a universal standard for connecting AI assistants to external tools and data sources. While MCP simplifies integration between AI applications and various services, it introduces…

Cryptography and Security · Computer Science 2026-03-25 Charoes Huang , Xin Huang , Ngoc Phu Tran , Amin Milani Fard

The Model Context Protocol (MCP) standardizes how large language model (LLM) agents discover, describe, and call external tools. While MCP unlocks broad interoperability, it also enlarges the attack surface by making tools first-class,…

Cryptography and Security · Computer Science 2026-03-25 Dongsen Zhang , Zekun Li , Xu Luo , Xuannan Liu , Peipei Li , Wenjun Xu

The Model Context Protocol (MCP) is an emerging standard designed to enable seamless interaction between Large Language Model (LLM) applications and external tools or resources. Within a short period, thousands of MCP services have been…

Cryptography and Security · Computer Science 2025-09-16 Hao Song , Yiming Shen , Wenxuan Luo , Leixin Guo , Ting Chen , Jiashui Wang , Beibei Li , Xiaosong Zhang , Jiachi Chen

Agentic AI systems built around large language models (LLMs) are moving away from closed, single-model frameworks and toward open ecosystems that connect a variety of agents, external tools, and resources. The Model Context Protocol (MCP)…

Cryptography and Security · Computer Science 2026-02-03 Xinyi Hou , Shenao Wang , Yifan Zhang , Ziluo Xue , Yanjie Zhao , Cai Fu , Haoyu Wang

The Model Context Protocol (MCP), introduced by Anthropic in November 2024 and now governed by the Linux Foundation's Agentic AI Foundation, has rapidly become the de facto standard for connecting large language model (LLM)-based agents to…

Cryptography and Security · Computer Science 2026-04-08 Nirajan Acharya , Gaurav Kumar Gupta

The Model Context Protocol (MCP) is an emerging open standard that defines a unified, bi-directional communication and dynamic discovery protocol between AI models and external tools or resources, aiming to enhance interoperability and…

Cryptography and Security · Computer Science 2025-10-08 Xinyi Hou , Yanjie Zhao , Shenao Wang , Haoyu Wang

The Model Context Protocol (MCP) has emerged as a standardized interface enabling seamless integration between Large Language Models (LLMs) and external data sources and tools. While MCP significantly reduces development complexity and…

Cryptography and Security · Computer Science 2025-10-29 Bin Wang , Zexin Liu , Hao Yu , Ao Yang , Yenan Huang , Jing Guo , Huangsheng Cheng , Hui Li , Huiyu Wu

To reduce development overhead and enable seamless integration between potential components comprising any given generative AI application, the Model Context Protocol (MCP) (Anthropic, 2024) has recently been released and subsequently…

Cryptography and Security · Computer Science 2025-04-14 Brandon Radosevich , John Halloran

The Model Context Protocol (MCP) has emerged as a de facto standard for integrating Large Language Models with external tools, yet no formal security analysis of the protocol specification exists. We present the first rigorous security…

Cryptography and Security · Computer Science 2026-01-27 Narek Maloyan , Dmitry Namiot

Large language models (LLMs) are evolving into agentic systems that reason, plan, and operate external tools. The Model Context Protocol (MCP) is a key enabler of this transition, offering a standardized interface for connecting LLMs with…

Computation and Language · Computer Science 2026-03-06 Xuanjun Zong , Zhiqi Shen , Lei Wang , Yunshi Lan , Chao Yang

The Model Context Protocol (MCP) replaces static, developer-controlled API integrations with more dynamic, user-driven agent systems, which also introduces new security risks. As MCP adoption grows across community servers and major…

Cryptography and Security · Computer Science 2025-11-27 Herman Errico , Jiquan Ngiam , Shanita Sojan

The Model Context Protocol (MCP) has emerged as a standard for connecting large language models (LLMs) with external tools. However, this MCP ecosystem introduces new security risks across hosts, servers, and registries. In this paper, we…

Cryptography and Security · Computer Science 2026-04-29 Xiaofan Li , Xing Gao

The Model Context Protocol (MCP) enables large language models (LLMs) to dynamically discover and invoke third-party tools, significantly expanding agent capabilities while introducing a distinct security landscape. Unlike prompt-only…

Cryptography and Security · Computer Science 2026-04-10 Mehrdad Rostamzadeh , Sidhant Narula , Nahom Birhan , Mohammad Ghasemigol , Daniel Takabi

To standardize interactions between LLM-based agents and their environments, the Model Context Protocol (MCP) was proposed and has since been widely adopted. However, integrating external tools expands the attack surface, exposing agents to…

Cryptography and Security · Computer Science 2026-01-13 Ruiqi Li , Zhiqiang Wang , Yunhao Yao , Xiang-Yang Li

Large language models(LLMs) are increasingly integrated with external systems through the Model Context Protocol(MCP),which standardizes tool invocation and has rapidly become a backbone for LLM-powered applications. While this paradigm…

Cryptography and Security · Computer Science 2026-05-04 Shuli Zhao , Qinsheng Hou , Zihan Zhan , Yanhao Wang , Yuchong Xie , Yu Guo , Libo Chen , Shenghong Li , Zhi Xue

The Model Context Protocol (MCP) is a new and emerging technology that extends the functionality of large language models, improving workflows but also exposing users to a new attack surface. Several studies have highlighted related…

Cryptography and Security · Computer Science 2026-04-14 Tobias Mattsson , Samuel Nyberg , Anton Borg , Ricardo Britto

The Model Context Protocol (MCP) introduces a structurally distinct attack surface that existing threat frameworks, designed for traditional software systems or generic LLM deployments, do not adequately cover. This paper presents MCP-38, a…

Cryptography and Security · Computer Science 2026-03-20 Yi Ting Shen , Kentaroh Toyoda , Alex Leung

Model Context Protocol (MCP) servers enable AI applications to connect to external systems in a plug-and-play manner, but their rapid proliferation also introduces severe security risks. Unlike mature software ecosystems with rigorous…

Cryptography and Security · Computer Science 2025-09-30 Weibo Zhao , Jiahao Liu , Bonan Ruan , Shaofei Li , Zhenkai Liang
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