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The integration of Large Language Models (LLMs) with Internet-of-Things (IoT) systems faces significant challenges in hardware heterogeneity and control complexity. The Model Context Protocol (MCP) emerges as a critical enabler, providing…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-03 Ningyuan Yang , Guanliang Lyu , Mingchen Ma , Yiyi Lu , Yiming Li , Zhihui Gao , Hancheng Ye , Jianyi Zhang , Tingjun Chen , Yiran Chen

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 increasingly augmented with external tools through standardized interfaces like the Model Context Protocol (MCP). However, current MCP implementations face critical limitations: they typically require local…

Cryptography and Security · Computer Science 2026-03-11 Arash Ahmadi , Sarah Sharif , Yaser M. Banad

The Model Context Protocol (MCP) is rapidly emerging as the middleware for LLM-based applications, offering a standardized interface for tool integration. However, its built-in security mechanisms are minimal: while schemas and declarations…

Cryptography and Security · Computer Science 2025-12-04 Biwei Yan , Yue Zhang , Minghui Xu , Hao Wu , Yechao Zhang , Kun Li , Guoming Zhang , Xiuzhen Cheng

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

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 interact with external tools via tool descriptors, thereby extending their capabilities for task execution, autonomous decision-making, and multi-agent coordination.…

Cryptography and Security · Computer Science 2026-05-22 Saeid Jamshidi , Arghavan Moradi Dakhel , Kawser Wazed Nafi , Foutse Khomh

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) has been proposed as a unifying standard for connecting large language models (LLMs) with external tools and resources, promising the same role for AI integration that HTTP and USB played for the Web and…

Computers and Society · Computer Science 2025-11-18 Hechuan Guo , Yongle Hao , Yue Zhang , Minghui Xu , Peizhuo Lv , Jiezhi Chen , Xiuzhen Cheng

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

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

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 has emerged as a transformative standard for connecting large language models to external data sources and tools, rapidly gaining adoption across major AI providers and development platforms. However, existing…

Artificial Intelligence · Computer Science 2025-08-21 Ziyang Luo , Zhiqi Shen , Wenzhuo Yang , Zirui Zhao , Prathyusha Jwalapuram , Amrita Saha , Doyen Sahoo , Silvio Savarese , Caiming Xiong , Junnan Li

The Model Context Protocol (MCP) defines a schema bound execution model for agent-tool interaction, enabling modular computer vision workflows without retraining. To our knowledge, this is the first protocol level, deployment scale audit of…

Cryptography and Security · Computer Science 2025-09-30 Aditi Tiwari , Akshit Bhalla , Darshan Prasad

The Model Context Protocol (MCP) is emerging as a standard interface through which large language model (LLM) agents discover and invoke external tools. However, existing MCP evaluations fall short along three key axes: realistic multi-step…

The Model Context Protocol (MCP) is a recently proposed interoperability standard that unifies how AI agents connect with external tools and data sources. By defining a set of common client-server message exchange clauses, MCP replaces…

Cryptography and Security · Computer Science 2026-03-12 Nanzi Yang , Weiheng Bai , Kangjie Lu

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

Although Foundation Models (FMs), such as GPT-4, are increasingly used in domains like finance and software engineering, reliance on textual interfaces limits these models' real-world interaction. To address this, FM providers introduced a…

Software Engineering · Computer Science 2026-04-14 Mohammed Mehedi Hasan , Hao Li , Emad Fallahzadeh , Gopi Krishnan Rajbahadur , Bram Adams , Ahmed E. Hassan

The Model Context Protocol (MCP) enables large language models (LLMs) to access external resources on demand. While commonly assumed to enhance performance, how LLMs actually leverage this capability remains poorly understood. We introduce…

Artificial Intelligence · Computer Science 2025-08-19 Wei Song , Haonan Zhong , Ziqi Ding , Jingling Xue , Yuekang Li

The Model Context Protocol (MCP) standardizes how AI agents discover and invoke external tools, with over 10,000 active servers and 97 million monthly SDK downloads as of early 2026. Yet MCP does not yet standardize how agents safely…

Software Engineering · Computer Science 2026-04-16 Vasundra Srinivasan
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