mcp-neo4j-cypher

A simple Neo4j MCP server that allows you to run Cypher queries against a Neo4j database.

stdio v1.0.0

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.neo4j-contrib--mcp-neo4j-cypher -- uvx

Transport

stdio

Authentication

None

Version

v1.0.0

Server Name

io.github.neo4j-contrib/mcp-neo4j-cypher

Last Updated

Nov 7, 2025

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`NEO4J_URI`	Neo4j connection URI	Yes
`NEO4J_USERNAME`	Neo4j username	Yes
`NEO4J_PASSWORD` secret	Neo4j password	Yes
`NEO4J_DATABASE`	Neo4j database name	Optional
`NEO4J_NAMESPACE`	Tool namespace prefix	Optional
`NEO4J_RESPONSE_TOKEN_LIMIT`	Maximum tokens for read query responses	Optional
`NEO4J_READ_TIMEOUT`	Timeout in seconds for read queries	Optional
`NEO4J_READ_ONLY`	Allow only read-only queries (true/false)	Optional
`NEO4J_SCHEMA_SAMPLE_SIZE`	Schema sample size	Optional