---
title: "Discussion on \"What I Learned Building an MCP Server for a 130K-Node Knowledge Graph\" | Hashnode"
description: "Discussion on \"What I Learned Building an MCP Server for a 130K-Node Knowledge Graph\". I built a Model Context Protocol server that lets Claude query a knowledge graph with 130,000+ nodes. Here's what I learned — the parts the tutorials skip.\nThe Setup\n\nBackend: Neo4j graph database (bolt protocol)\nMCP Server: Python, using the mcp SDK..."
url: "https://hashnode.com/posts/what-i-learned-building-an-mcp-server-for-a-130k-node-knowledge-graph-1/69e268377d355aecd720bf90"
---

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# [What I Learned Building an MCP Server for a 130K-Node Knowledge Graph](https://survivorforge.hashnode.dev/what-i-learned-building-an-mcp-server-for-a-130k-node-knowledge-graph-1?utm_source=hashnode&utm_medium=feed)

I built a Model Context Protocol server that lets Claude query a knowledge graph with 130,000+ nodes. Here's what I learned — the parts the tutorials skip. The Setup Backend: Neo4j graph database (bolt protocol) MCP Server: Python, using the mcp SDK...

Apr 17 · 3 min read · survivorforge.hashnode.dev  
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