Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for monitoring, tracking, summarizing, and comparing changes in federal laws, regulations, agency guidance, and government-sponsored enterprise seller and servicer guides, creating watchlists, and delivering customized alerts, in the fields of mortgage lending, mortgage banking, mortgage brokering, mortgage servicing, the secondary mortgage market, and residential mortgage-backed securities; Software as a service (SAAS) services featuring software using retrieval-augmented generation (RAG) for retrieving, comparing, and analyzing current and prior versions of federal laws, regulations, agency guidance, and government-sponsored enterprise seller and servicer guides in the fields of mortgage lending, mortgage banking, mortgage brokering, mortgage servicing, the secondary mortgage market, and residential mortgage-backed securities