{"type": "article", "title": "The Hidden Layer Behind Every Smart AI App: RAG, MCP, and Agentic Systems", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-hidden-layer-behind-every-smart-ai-app-rag-mcp-and-agentic-systems", "original_source": "https://dev.to/prasunchakra/the-hidden-layer-behind-every-smart-ai-app-rag-mcp-and-agentic-systems-15p4", "published": "2026-06-21T04:30:00+00:00", "accessed": "2026-06-21", "id": "the-hidden-layer-behind-every-smart-ai-app-rag-mcp-and-agentic-systems"}