The Modular Automated Testing Tool (MATT) is a versatile software solution designed to automate the creation of online test attempts for Pearson's Core programs. It drastically reduces the level of manual effort previously required to create a wide range of commonly used test scenarios and significantly increases the rate at which test attempts can be submitted. Additionally, MATT offers expanded capabilities by incorporating customizable scenarios, providing analysts with greater flexibility and control to meet the criteria of their specific programs. MATT seeks to optimize and automate testing processes to ensure comprehensive coverage and to meet the diverse testing requirements of all programs.