MCP ServerSTDIOOfficialv1.0.0

mcp-neo4j-cypher MCP Server

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

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

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Hosted URL

https://github.com/neo4j-contrib/mcp-neo4j

Transport

STDIO

Auth

3 required env vars

What the mcp-neo4j-cypher MCP server does

How models use it and what it is built for.

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

Connect to mcp-neo4j-cypher

Hosted endpoint — paste into any MCP client.

https://github.com/neo4j-contrib/mcp-neo4j

Environment variables

Configuration this server reads at startup.

NEO4J_URIRequired
Neo4j connection URI
NEO4J_USERNAMERequired
Neo4j username
NEO4J_PASSWORDRequiredSecret
Neo4j password
NEO4J_DATABASE
Neo4j database name
NEO4J_NAMESPACE
Tool namespace prefix
NEO4J_RESPONSE_TOKEN_LIMIT
Maximum tokens for read query responses
NEO4J_READ_TIMEOUT
Timeout in seconds for read queries
NEO4J_READ_ONLY
Allow only read-only queries (true/false)
NEO4J_SCHEMA_SAMPLE_SIZE
Schema sample size

Resources

Where to find authoritative docs and source for mcp-neo4j-cypher.

Source repository

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