The AI Code Fixer supports a comprehensive range of programming languages including Python, JavaScript, Java, C++, C#, PHP, Ruby, Swift, TypeScript, Go, Rust, Kotlin, SQL, HTML, CSS, R, Shell Script, Dart, Scala, and MATLAB. Each language-specific fix is tailored to follow best practices and coding conventions specific to that programming language. The tool automatically adjusts its analysis and suggestions based on the selected language.