Advancements in machine learning, particularly Large Language Models (LLMs), offer new opportunities for enhancing education through personalized assistance. We introduce “Be My Mate,” an agent that leverages LLMs to simulate virtual peer students in online collaborative education. The system includes a subscription module for real-time updates and a conversational module for generating supportive interactions. Key challenges include creating temporally realistic interactions and credible error generation. The initial demonstration shows promise in enhancing student engagement and learning outcomes.