codeFuse is a plugin that assists developers with code completion, commenting, and code explanation. It provides real-time code completion based on massive datasets and supports code explanation and comment generation, enabling developers to quickly complete function development and improve efficiency. Moreover, codeFuse can analyze and understand selected code segments, proposing optimization and improvement suggestions, and even generate code patches directly to help developers write better code. Additionally, codeFuse can intelligently generate test cases with business semantics, enhancing problem discovery efficiency and streamlining the process. codeFuse supports over 40 programming languages.