HLA Literature RAG Pipeline Retrieval-Augmented Generation · from curated HLA literature to grounded LLM answers MD Shakhaowat Hossain · Tulane University School of Medicine 3,559 PDFs → 470,670 chunks → 1024-d vectors · Exposed as MCP tools: search_hla_knowledge, get_hla_allele_info · Every answer traces back to its source paper