How to Connect a Foundry IQ Knowledge Base to LangGraph Over MCP

A step-by-step guide to grounding a LangGraph agent in Microsoft Foundry IQ agentic retrieval — without rebuilding your RAG pipeline. Why This Integration Is Worth Doing If you build agents on LangGraph and your enterprise content lives in Azure, you have probably written the same code twice: a chunker, an embedding job, a vector store, a retriever, a reranker, and a permissions filter bolted on at the end. Every new agent gets its own copy.