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The remarkable capability of large language models (LLMs) has led to the wide application of LLM-based agents in various domains. To standardize interactions between LLM-based agents and their environments, model context protocol (MCP)…

Cryptography and Security · Computer Science 2025-09-26 Ping He , Changjiang Li , Binbin Zhao , Tianyu Du , Shouling Ji

Prompt injection is listed as the number-one vulnerability class in the OWASP Top 10 for LLM Applications that can subvert LLM guardrails, disclose sensitive data, and trigger unauthorized tool use. Developers are rapidly adopting…

Cryptography and Security · Computer Science 2026-03-24 Charoes Huang , Xin Huang , Amin Milani Fard

While Large Language Models (LLMs) have achieved remarkable performance, they remain vulnerable to jailbreak. The integration of Large Language Models (LLMs) with external tools via protocols such as the Model Context Protocol (MCP)…

Cryptography and Security · Computer Science 2026-01-09 Wenpeng Xing , Zhonghao Qi , Yupeng Qin , Yilin Li , Caini Chang , Jiahui Yu , Changting Lin , Zhenzhen Xie , Meng Han

Agent tools are becoming a core interface through which LLM agents access external data, services, and execution environments. As these tools are distributed through public marketplaces, raw tool counts may substantially overstate ecosystem…

Software Engineering · Computer Science 2026-05-19 Taein Kim , David Jiang , Yuepeng Hu , Yuqi Jia , Neil Gong

The Model Context Protocol (MCP) is rapidly emerging as a pivotal open standard, designed to enhance agent-tool integration and interoperability, and is positioned to unlock a new era of powerful, interconnected, and genuinely utilitarian…

Computation and Language · Computer Science 2025-09-15 Zikang Guo , Benfeng Xu , Chiwei Zhu , Wentao Hong , Xiaorui Wang , Zhendong Mao

The Model Context Protocol (MCP) has rapidly become a de facto standard for connecting LLM-based agents with external tools via reusable MCP servers. In practice, however, server selection and onboarding rely heavily on free-text tool…

Software Engineering · Computer Science 2026-02-24 Peiran Wang , Ying Li , Yuqiang Sun , Chengwei Liu , Yang Liu , Yuan Tian

Large Language Models (LLMs) demonstrate strong capabilities in solving complex tasks when integrated with external tools. The Model Context Protocol (MCP) has become a standard interface for enabling such tool-based interactions. However,…

Cryptography and Security · Computer Science 2026-01-23 Jiayi Fu , Yuansen Zhang , Yinggui Wang

Large Language Model (LLM)-based agents have demonstrated remarkable capabilities in reasoning, planning, and tool usage. The recently proposed Model Context Protocol (MCP) has emerged as a unifying framework for integrating external tools…

Cryptography and Security · Computer Science 2025-12-03 Yuanhe Zhang , Weiliu Wang , Zhenhong Zhou , Kun Wang , Jie Zhang , Li Sun , Yang Liu , Sen Su

The rapid adoption of foundation models has significantly expanded the capabilities of software systems, enabling them to perform complex language, reasoning, and interaction tasks that were previously difficult to automate. However, this…

Software Engineering · Computer Science 2026-03-09 Mina Taraghi , Mohammad Mehdi Morovati , Foutse Khomh

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

The Model Context Protocol (MCP) is emerging as a common interface connecting large language models (LLMs) with external services. Remote deployments are becoming increasingly important as agents connect to user-linked online services, such…

Cryptography and Security · Computer Science 2026-05-22 Huijun Zhou , Xiaohan Zhang , Haozhe Zhang , Haoyang Zhang , Mi Zhang , Min Yang

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

Recent advancements in Large Language Models (LLMs) and the introduction of the Model Context Protocol (MCP) have significantly expanded LLM agents' capability to interact dynamically with external tools and APIs. However, existing tool…

Computation and Language · Computer Science 2025-05-13 Elias Lumer , Anmol Gulati , Vamse Kumar Subbiah , Pradeep Honaganahalli Basavaraju , James A. Burke

Large language model (LLM)-based AI agents extend LLM capabilities by enabling access to tools such as data sources, APIs, search engines, code sandboxes, and even other agents. While this empowers agents to perform complex tasks, LLMs may…

Software Engineering · Computer Science 2026-01-14 Aarya Doshi , Yining Hong , Congying Xu , Eunsuk Kang , Alexandros Kapravelos , Christian Kästner

The Model Context Protocol (MCP) plays a crucial role in extending the capabilities of Large Language Models (LLMs) by enabling integration with external tools and data sources. However, the standard MCP specification presents significant…

Cryptography and Security · Computer Science 2025-06-03 Manish Bhatt , Vineeth Sai Narajala , Idan Habler

The evolution of Large Language Models (LLMs) into Agentic AI has established the Model Context Protocol (MCP) as the standard for connecting reasoning engines with external tools. Although this decoupled architecture fosters modularity, it…

Cryptography and Security · Computer Science 2026-02-17 Yunhao Yao , Zhiqiang Wang , Haoran Cheng , Yihang Cheng , Haohua Du , Xiang-Yang Li

The development of large language models (LLMs) has entered in a experience-driven era, flagged by the emergence of environment feedback-driven learning via reinforcement learning and tool-using agents. This encourages the emergenece of…

Machine Learning · Computer Science 2025-06-17 Junfeng Fang , Zijun Yao , Ruipeng Wang , Haokai Ma , Xiang Wang , Tat-Seng Chua

Large Language Models (LLMs) increasingly rely on external tools to perform complex, realistic tasks, yet their ability to utilize the rapidly expanding Model Contextual Protocol (MCP) ecosystem remains limited. Existing MCP research covers…

Artificial Intelligence · Computer Science 2026-04-17 Wenhao Wang , Peizhi Niu , Zhao Xu , Zhaoyu Chen , Jian Du , Yaxin Du , Xianghe Pang , Keduan Huang , Yanfeng Wang , Qiang Yan , Siheng Chen

Tool-using LLM agents increasingly coordinate real workloads by selecting and chaining third-party tools based on text-visible metadata such as tool names, descriptions, and return messages. We show that this convenience creates a…

Computation and Language · Computer Science 2026-02-17 Yohan Lee , Jisoo Jang , Seoyeon Choi , Sangyeop Kim , Seungtaek Choi

Model Context Protocols (MCPs) provide a unified platform for agent systems to discover, select, and orchestrate tools across heterogeneous execution environments. As MCP-based systems scale to incorporate larger tool catalogs and multiple…

Cryptography and Security · Computer Science 2026-02-19 Yuval Felendler , Parth A. Gandhi , Idan Habler , Yuval Elovici , Asaf Shabtai