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The increasing deployment of Large Language Model (LLM) agents for complex software engineering tasks has created a need to understand their problem-solving behaviours beyond simple success metrics. While these agents demonstrate impressive…

Software Engineering · Computer Science 2025-11-04 Oorja Majgaonkar , Zhiwei Fei , Xiang Li , Federica Sarro , He Ye

Software debugging is a time-consuming endeavor involving a series of steps, such as fault localization and patch generation, each requiring thorough analysis and a deep understanding of the underlying logic. While large language models…

Software Engineering · Computer Science 2025-11-19 Cheryl Lee , Chunqiu Steven Xia , Longji Yang , Jen-tse Huang , Zhouruixin Zhu , Lingming Zhang , Michael R. Lyu

Recent advances in language model (LM) agents and function calling have enabled autonomous, feedback-driven systems to solve problems across various digital domains. To better understand the unique limitations of LM agents, we introduce…

Artificial Intelligence · Computer Science 2025-03-12 Dhruv Gautam , Spandan Garg , Jinu Jang , Neel Sundaresan , Roshanak Zilouchian Moghaddam

Agents based on Large Language Models (LLMs) have shown promise for performing sophisticated software engineering tasks autonomously. In addition, there has been progress towards developing agents that can perform parts of the research…

Computation and Language · Computer Science 2026-04-23 Nicholas Edwards , Yukyung Lee , Yujun Audrey Mao , Yulu Qin , Sebastian Schuster , Najoung Kim

Using multiple agents was found to improve the debugging capabilities of Large Language Models. However, increasing the number of LLM-agents has several drawbacks such as increasing the running costs and rising the risk for the agents to…

Software Engineering · Computer Science 2025-04-28 Yacine Majdoub , Eya Ben Charrada , Haifa Touati

Recent advances in code agents have enabled automated software development at the project level, supported by large language models (LLMs). However, existing benchmarks for code agent evaluation face two major limitations. First, creating…

Software Engineering · Computer Science 2026-03-24 Lingyue Fu , Bolun Zhang , Hao Guan , Yaoming Zhu , Lin Qiu , Weiwen Liu , Xuezhi Cao , Xunliang Cai , Weinan Zhang , Yong Yu

LLM agents have been widely adopted in real-world applications, relying on agent frameworks for workflow execution and multi-agent coordination. As these systems scale, understanding bugs in the underlying agent frameworks becomes critical.…

Software Engineering · Computer Science 2026-03-02 Xinxue Zhu , Jiacong Wu , Xiaoyu Zhang , Tianlin Li , Yanzhou Mu , Juan Zhai , Chao Shen , Chunrong Fang , Yang Liu

Large language models (LLMs) have shown promise for automated patching, but their effectiveness depends strongly on how they are integrated into patching systems. While prior work explores prompting strategies and individual agent designs,…

Cryptography and Security · Computer Science 2026-03-03 Qingxiao Xu , Ze Sheng , Zhicheng Chen , Jeff Huang

Agent Skills are structured packages of procedural knowledge that augment LLM agents at inference time. Despite rapid adoption, there is no standard way to measure whether they actually help. We present SkillsBench, a benchmark of 86 tasks…

Modern Large Language Model (LLM) agents promise end to end assistance with real-world software tasks, yet existing benchmarks evaluate LLM agents almost exclusively in pre-baked environments where every dependency is pre-installed. To fill…

Software Engineering · Computer Science 2025-07-15 Avi Arora , Jinu Jang , Roshanak Zilouchian Moghaddam

AI coding agents increasingly act directly within software environments, yet existing analyses of their failures rely on benchmark trajectories that miss how developers actually experience misalignment. We present an observational study of…

Software Engineering · Computer Science 2026-05-29 Ningzhi Tang , Chaoran Chen , Gelei Xu , Yiyu Shi , Yu Huang , Collin McMillan , Tao Dong , Toby Jia-Jun Li

Large Language Model (LLM) agents, which integrate planning, memory, reflection, and tool-use modules, have shown promise in solving complex, multi-step tasks. Yet their sophisticated architectures amplify vulnerability to cascading…

LLM-based coding agents are rapidly being deployed in software development, yet their safety implications remain poorly understood. These agents, while capable of accelerating software development, may exhibit unsafe behaviors during normal…

Artificial Intelligence · Computer Science 2025-08-26 Matous Kozak , Roshanak Zilouchian Moghaddam , Siva Sivaraman

Automatically compiling open-source software (OSS) projects is a vital, labor-intensive, and complex task, which makes it a good challenge for LLM Agents. Existing methods rely on manually curated rules and workflows, which cannot adapt to…

Aim: With the advent of LLMs, sophisticated agentic program repair has become viable at large organizations with large codebases. In this work, we develop an Engineering Agent that fixes the source code based on test failures at scale…

Evaluating Large Language Models (LLMs) on repository-level feature implementation is a critical frontier in software engineering. However, establishing a benchmark that faithfully mirrors realistic development scenarios remains a…

Computation and Language · Computer Science 2026-02-19 Haorui Chen , Chengze Li , Jia Li

AI coding agents demonstrate strong performance on general-purpose software benchmarks. However, their ability to handle 5G network engineering tasks remains unexplored. We propose SWE-Bench~5G, the first benchmark designed to investigate…

Networking and Internet Architecture · Computer Science 2026-04-30 Jiao Chen , Jianhua Tang , Xiaotong Yang , Zuohong Lv

Numerous software analysis tools exist today, yet applying them to diverse open-source projects remains challenging due to environment setup, dependency resolution, and tool configuration. LLM-based agents offer a potential solution, yet no…

Software Engineering · Computer Science 2026-04-20 Islem Bouzenia , Cristian Cadar , Michael Pradel

Coding agents are increasingly deployed in real software development, where a single version iteration requires months of coordinated work across many files. However, most existing benchmarks focus predominantly on single-issue bug fixes…

While significant progress has been made in automating various aspects of software development through coding agents, there is still significant room for improvement in their bug fixing capabilities. Debugging and investigation of runtime…

Software Engineering · Computer Science 2026-04-22 Spandan Garg , Yufan Huang