MCP-Persona: Benchmarking LLM Agents on Real-World Personal Applications via Environment Simulation
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866911742055940096 |
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| author | Wang, Wenhao Niu, Peizhi Zou, Gongyi Yang, Xiyuan Wang, Jingxing Shi, Haoting Du, Yaxin Chai, Jingyi Pang, Xianghe Tang, Shuo Wang, Yanfeng Chen, Siheng |
| author_facet | Wang, Wenhao Niu, Peizhi Zou, Gongyi Yang, Xiyuan Wang, Jingxing Shi, Haoting Du, Yaxin Chai, Jingyi Pang, Xianghe Tang, Shuo Wang, Yanfeng Chen, Siheng |
| contents | The Model Context Protocol (MCP) has emerged as a transformative standard for connecting large language models (LLMs) with external data sources and tools, and has been rapidly adopted across personal applications and development platforms. However, existing benchmarks predominantly focus on generic information-seeking tools and fail to capture the practical challenges posed by personal social applications, where tools interact with individual accounts or local databases. To bridge this critical gap, we introduce MCP-Persona, the first benchmark specifically designed for evaluating agent performance on real-world, personalized MCP tools. MCP-Persona encompasses a diverse set of widely-used applications, ranging from social media platforms like Reddit and Xiaohongshu (Rednote) to enterprise collaboration suites such as Lark (Feishu) and Slack. Our extensive experiments on various state-of-the-art (SOTA) agents demonstrate their significant struggles with personalized tool use, thereby highlighting the benchmark's crucial role in identifying and addressing these limitations. MCP-Persona is publicly available at https://github.com/wwh0411/MCP-Persona}{https://github.com/wwh0411/MCP-Persona. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2606_02470 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | MCP-Persona: Benchmarking LLM Agents on Real-World Personal Applications via Environment Simulation Wang, Wenhao Niu, Peizhi Zou, Gongyi Yang, Xiyuan Wang, Jingxing Shi, Haoting Du, Yaxin Chai, Jingyi Pang, Xianghe Tang, Shuo Wang, Yanfeng Chen, Siheng Artificial Intelligence The Model Context Protocol (MCP) has emerged as a transformative standard for connecting large language models (LLMs) with external data sources and tools, and has been rapidly adopted across personal applications and development platforms. However, existing benchmarks predominantly focus on generic information-seeking tools and fail to capture the practical challenges posed by personal social applications, where tools interact with individual accounts or local databases. To bridge this critical gap, we introduce MCP-Persona, the first benchmark specifically designed for evaluating agent performance on real-world, personalized MCP tools. MCP-Persona encompasses a diverse set of widely-used applications, ranging from social media platforms like Reddit and Xiaohongshu (Rednote) to enterprise collaboration suites such as Lark (Feishu) and Slack. Our extensive experiments on various state-of-the-art (SOTA) agents demonstrate their significant struggles with personalized tool use, thereby highlighting the benchmark's crucial role in identifying and addressing these limitations. MCP-Persona is publicly available at https://github.com/wwh0411/MCP-Persona}{https://github.com/wwh0411/MCP-Persona. |
| title | MCP-Persona: Benchmarking LLM Agents on Real-World Personal Applications via Environment Simulation |
| topic | Artificial Intelligence |
| url | https://arxiv.org/abs/2606.02470 |