ORAM.AI: A multi-agent chatbot with RAG-based reasoning and MCP integration for adaptive fitness recommendation. - Konstantinos I. Roumeliotis; Orestis N. Zestas; Kyriakos D. Kyriakou; Dimitrios N. Soumis; Sofia Kapellaki; Kyriaki Seklou; Nikolaos D. Tselikas (Array, 2026)