MCP Neo4j Data Modeling

{
  "mcpServers": {
    "mcp-neo4j-data-modeling": {
      "command": "uvx",
      "args": [
        "mcp-neo4j-data-modeling"
      ],
      "env": {
        "NEO4J_NAMESPACE": "your-value"
      }
    }
  }
}

claude mcp add --env NEO4J_NAMESPACE=your-value --transport stdio mcp-neo4j-data-modeling -- uvx mcp-neo4j-data-modeling

{
  "mcpServers": {
    "mcp-neo4j-data-modeling": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-neo4j-data-modeling"
      ],
      "env": {
        "NEO4J_NAMESPACE": "your-value"
      }
    }
  }
}

{
  "servers": {
    "mcp-neo4j-data-modeling": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-neo4j-data-modeling"
      ],
      "env": {
        "NEO4J_NAMESPACE": "your-value"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

• validate_node
• node

  The node to validate

• return_validated

  If True, returns the validated node object instead of True

• validate_relationship
• relationship

  The relationship to validate

• validate_data_model
• data_model

  The data model to validate

• get_mermaid_config_str
• load_from_arrows_json
• arrows_data_model_dict

  JSON dictionary from Arrows app export

• export_to_arrows_json
• load_from_owl_turtle
• owl_turtle_str

  OWL Turtle string representation of an ontology

• export_to_owl_turtle
• export_to_pydantic_models
• export_to_neo4j_graphrag_pkg_schema
• load_from_neo4j_graphrag_pkg_schema
• neo4j_graphrag_python_package_schema

  Neo4j GraphRAG Python Package schema dictionary

• list_example_data_models
• get_example_data_model
• example_name

  Name of the example to load ('patientjourney', 'supplychain', 'softwaredependency', 'oilgasmonitoring', 'customer360',…

• get_constraints_cypher_queries
• get_node_cypher_ingest_query
• get_relationship_cypher_ingest_query
• relationship_type

  The type of the relationship

• relationship_start_node_label

  The label of the start node

• relationship_end_node_label

  The label of the end node

mcp-name: io.github.neo4j-contrib/mcp-neo4j-data-modeling A Model Context Protocol (MCP) server implementation that provides tools for creating, visualizing, and managing Neo4j graph data models. This server enables you to define nodes, relationships, and properties to design graph database schemas that can be visualized interactively.

• database
• mcp
• mcp-server
• neo4j
• stdio