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CodeAgent: Enhancing Code Generation with Tool-Integrated Agent Systems for Real-World Repo-level Coding Challenges
Open accessAbstract
Large Language Models (LLMs) have shown promise in automated code generation but typically excel only in simpler tasks such as generating standalone code units.However, real-world software development often involves complex code repositories with complex dependencies and extensive documentation.To enable LLMs to handle these realworld repo-level code generation, we present CODEAGENT, a novel LLM-based agent framework that employs external tools for effective repo-level code generation.CODEAGENT integrates five programming tools, enabling interaction with software artifacts for information retrieval, code implementation, and code testing.We implement four agent strategies to optimize these tools' usage.To the best of our knowledge, CODEAGENT is the first agent framework specifically for repolevel code generation.In order to measure the effectiveness of our method at the repository level, we design a repo-level benchmark CODEAGENTBENCH.The performance on this benchmark shows a significant improvement brought by our method, with improvements in pass rate ranging from 2.0 to 15.8.Further tests on the HumanEval benchmark confirm CODEAGENT's adaptability and efficacy across various code generation tasks.Notably, CODEAGENT outperforms commercial products like GitHub Copilot, showcasing superior accuracy and efficiency.These results demonstrate CODEAGENT's robust capabilities in code generation, highlighting its potential for real-world repo-level coding challenges.
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“CodeAgent [185] shows that real-world repository-level code generation is not simply about completing a single function from a prompt. Instead, the model must locate relevant files, understand dependencies, inspect documentation, implement modifications, and validate outcomes through testing.”
From Code as Agent Harness (2026) · cites this paper as [185]
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“CodeAgent [114] focuses on the repo-level code generation task, which commonly requires complex dependencies and extensive documentation. It designs a web search strategy for acquiring related external knowledge.”
From A Survey on the Memory Mechanism of Large Language Model-based Agents (2025) · cites this paper as [114]
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Sorted by citations
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Self-citationA Survey on the Memory Mechanism of Large Language Model-based Agents
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Metadata
- Authors
- Zhang, K., Li, J., Li, G., Shi, X., & Jin, Z.
- Affiliations
- Peking University (CN)
- Venue
- Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
- Published
- 2024
- Pages
- 13643-13658
- ISSN
- 0736-587X (ISSN-L)
- OpenAlex
- W4402671013
- Cited by
- 138
- References
- 24
- Citations by year
- 2026: 81 · 2025: 47 · 2024: 10
- FWCI
- 44.48
- Type
- conference paper
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by
- Locations
- Proceedings of the conference - Association for Computational Linguistics. Meeting (publishedVersion, cc-by)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Natural Science Foundation of China (61832009, 62192730, 62072007, 62192731, 62192733)
- Topics
- Physical Sciences › Computer Science › Information Systems › Software Engineering Research
- Physical Sciences › Computer Science › Information Systems › Software Engineering Techniques and Practices
- Physical Sciences › Computer Science › Software › Software Testing and Debugging Techniques
- Keywords
- code generation, large language models, LLM agents, tool integration, software repositories, code testing, information retrieval, agent strategies, benchmark, HumanEval
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