Breaktime Tech Talks

Ep58: Hybrid Search Headaches + GraphRAG as MCP Server

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In this episode of Breaktime Tech Talks, dive into the real-world challenges and discoveries from my recent work with Langchain4j, Quarkus, and Neo4j. If you’re a developer navigating the evolving landscape of AI, vector search, and graph databases, this episode is packed with practical insights and lessons learned.

Highlights:

  • Struggles with configuring hybrid search (vector + graph retrieval) in Langchain4j and Quarkus
  • Pain of setting up Neo4j vector stores, especially for read-only databases
  • Data importer docs difference (standalone vs Aura)
  • Why current frameworks make it hard to customize retrieval workflows
  • Discovery of Neo4j’s MCP Cypher server for vector search as a tool
  • Blog post on implementing GraphRAG retrievers as an MCP server for reusable, agentic applications
  • Updates on the GraphRAG Fundamentals online course and the upcoming NODES 2025 conference
  • My new new Java book project

    • Tune in for practical advice, honest roadblocks, and new ideas for building smarter, more flexible developer tools!

    ...more
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    Breaktime Tech TalksBy jmhreif
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