Neo4j GraphRAG

Provides vector search, fulltext search, and search-augmented Cypher queries for Neo4j GraphRAG applications.

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1

GitHub Stars

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Language

6 months ago

First Indexed

2 months ago

Catalog Refreshed

Documentation & install

Readme and setup notes from the catalogue, plus a client-ready config you can copy for your MCP host.

Installation

Add the following to your MCP client configuration file.

Configuration

View docs

{
  "mcpServers": {
    "neo4j-field-mcp-neo4j-graphrag": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/mcp-neo4j-graphrag",
        "run",
        "mcp-neo4j-graphrag"
      ],
      "env": {
        "NEO4J_URI": "neo4j+s://demo.neo4jlabs.com",
        "NEO4J_DATABASE": "recommendations",
        "NEO4J_PASSWORD": "recommendations",
        "NEO4J_USERNAME": "recommendations",
        "OPENAI_API_KEY": "sk-...",
        "EMBEDDING_MODEL": "text-embedding-ada-002"
      }
    }
  }
}

Available tools

get_neo4j_schema_and_indexes

Discover the graph schema, vector indexes, and fulltext indexes.

vector_search

Semantic similarity search using embeddings.

fulltext_search

Keyword search with Lucene syntax.

read_neo4j_cypher

Execute read-only Cypher queries.

search_cypher_query

Combine vector/fulltext search with Cypher queries in a single step.