# Building Agentic GraphRAG Systems

DevFeed: [Building Agentic GraphRAG Systems](<https://devfeed.tech/articles/building-agentic-graphrag-systems-18291.md>)

Original publisher: [Read original article](<https://www.decodingai.com/p/agentic-graphrag>)

Author: Paul Iusztin

Published: 2026-05-05T05:01:08Z

Content type: tutorial

Language: en

Sources: [Decoding ML](<https://devfeed.tech/sources/decoding-ml.md>)

Topics: [Retrieval Augmented Generation (RAG)](<https://devfeed.tech/topics/retrieval-augmented-generation-rag.md>), [data-modeling](<https://devfeed.tech/topics/data-modeling.md>), [MCP Server](<https://devfeed.tech/topics/mcp-server.md>), [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [context window](<https://devfeed.tech/topics/context-window.md>)

Tags: [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [context-window](<https://devfeed.tech/tags/context-window.md>), [data-modeling](<https://devfeed.tech/tags/data-modeling.md>), [knowledge-graphs](<https://devfeed.tech/tags/knowledge-graphs.md>), [langchain](<https://devfeed.tech/tags/langchain.md>), [latency](<https://devfeed.tech/tags/latency.md>), [mcp-server](<https://devfeed.tech/tags/mcp-server.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [rag](<https://devfeed.tech/tags/rag.md>)

## AI overview

The article explains agentic GraphRAG as a data-modeling problem involving knowledge graphs, ontologies, append-only data models, extraction modes, and hybrid retrieval. It describes exposing the resulting unified memory layer through an MCP server for AI agents.

## Source excerpt

From knowledge graphs and ontologies to a unified memory as an MCP server for your AI agent.