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MCP Neo4j Server

@MCP-Mirror

Repository

Basic information

Category

Other

Transports

stdio

Author

MCP-Mirror

About MCP Neo4j Server

Mirror of

#neo4j#mcp-server#natural-language-processing

MCP Neo4j Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "da-okazaki_mcp-neo4j-server": {
      "command": "npx",
      "args": [
        "@alanse/mcp-neo4j"
      ]
    }
  }
}

MCP Neo4j Server tools

3

Execute Cypher queries on the Neo4j database

Create a new node in the graph database

Create a relationship between two existing nodes

Overview

What is MCP Neo4j Server?

An MCP server that integrates Neo4j graph database with Claude Desktop, enabling graph database operations through natural language interactions.

How to use MCP Neo4j Server?

Run directly via npx @alanse/mcp-neo4j or add it to Claude Desktop configuration with environment variables NEO4J_URI, NEO4J_USERNAME, and NEO4J_PASSWORD. The server provides three tools: execute_query, create_node, and create_relationship.

Key features of MCP Neo4j Server

  • Execute any Cypher query against the Neo4j database.
  • Create nodes with specified labels and properties.
  • Create relationships between existing nodes with types.
  • Supports all Cypher query types (READ, CREATE, UPDATE, DELETE).
  • Parameters available to prevent injection attacks.

Use cases of MCP Neo4j Server

  • Query graph data using natural language, e.g., "Show me all employees in Sales".
  • Create new nodes like people, products, or departments via conversation.
  • Establish relationships between nodes, e.g., "Make John Doe friends with Jane Smith".
  • Perform complex graph traversals like friends-of-friends or aggregate queries.

Frequently asked questions

1

What dependencies or runtime are required?

The server runs via npx (Node.js) and requires a running Neo4j database instance accessible at the configured URI.

2

How do I configure the server for my Neo4j database?

Set the environment variables `NEO4J_URI` (default bolt://localhost:7687), `NEO4J_USERNAME` (default neo4j), and `NEO4J_PASSWORD` (required).

3

What transport or authentication does the server use?

The server connects to Neo4j using the Bolt protocol and requires database credentials (username and password) for authentication.

4

Can I install the server without using npm?

Yes, you can install it automatically via Smithery with the command `npx @smithery/cli install @alanse/mcp-neo4j-server --client claude`.

5

How do I run the server for development?

Clone the repository, run `npm install` and `npm run build`, then configure Claude Desktop to use the local build.

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