Abstract

Large language models for code generation often fail on execution, multilingual coverage, and contamination control, especially under frozen backbone constraints. We present CodeForge-MA, a unified framework that improves code synthesis through a multi-agent data forge, execution verified reinforced instruction tuning, and a language conditioned mixture of LoRA adapters. Four specialized agents, Composer, Reviewer, Executor, and Curator, iteratively refine instruction code pairs, validate them with tests, and filter duplicates and benchmark leakage. During training, we combine masked supervised fine tuning with a test driven reinforcement objective to align generations with executable correctness. For the larger model, we use sparse expert routing over low rank adapters to improve cross language transfer while keeping the base model unchanged at inference. Experiments show that joint data, objective, and adapter design yields robust gains across programming languages.

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Publication details

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Open access
Green open access

Cite this article

APA 7

Gu, Z., Wu, X., Gu, S., Zhang, T., & Tong, K. (2026). CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation. https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation

MLA 9

Gu, Zhizhou, et al. "CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation." https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation.

Chicago (author–date)

Gu, Zhizhou, Xianting Wu, Siyu Gu, Tian Zhang, and Kejian Tong. 2026. "CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation." https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation.

Harvard

Gu, Z., Wu, X., Gu, S., Zhang, T. and Tong, K. (2026) 'CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation', Available at: https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation.

Vancouver

Gu Z, Wu X, Gu S, Zhang T, Tong K. CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation. https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation

IEEE

Z. Gu, X. Wu, S. Gu, T. Zhang, and K. Tong, "CodeForge-MA: Execution-Verified Multi-Agent Learning with Language-Conditioned LoRA for Multilingual Code Generation," https://omanscience.com/en/articles/codeforge-ma-execution-verified-multi-agent-learning-with-language-conditioned-lora-for-multilingual-code-generation.