This paper introduces a course-specific agentic retrieval-augmented generation (RAG) chatbot developed to support Information Technology students at Hai Phong University. The proposed system addresses the limitations of static FAQ bots, which are unable to manage open-ended academic tasks, and model-only large language model (LLM) assistants, which may generate fluent yet insufficiently grounded responses. The prototype combines local LLM deployment, semantic retrieval of course materials, and constrained, tool-oriented orchestration to perform four key tasks: question answering, document summarization, study planning, and quiz generation. The primary contributions include a six-layer privac... More >