Scribo for Google Docs is a Chrome extension designed to assist students preparing for the Advanced Subjects Test (AST) by improving their English writing skills. This free tool leverages intuitive AI to provide personalized feedback on various aspects of writing, including grammar, structure, and argumentation. With a focus on the English composition section, which constitutes 20% of the AST score, Scribo helps users understand their performance through indicative scoring based on exam rubrics.

The extension allows students to track their progress over time, enabling them to set specific writing goals and receive tailored suggestions for improvement. By identifying strengths and weaknesses in their writing, users can refine their skills effectively. Scribo fosters a community of learners aiming for smarter and more efficient AST preparation, making the essay writing process more insightful and productive.