MCP Neo4j Cypher runs on your own machine — the client starts it, so there is no endpoint to ping. 7 583 installs a week from pypi. Last commit 9 Sep 2026.
A simple Neo4j MCP server that allows you to run Cypher queries against a Neo4j database.
We read the source, 19 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
этот файл ставится пользователю, но в репозитории его нет
ENV NEO4J_AURA_CLIENT_SECRET="test-client-secret"
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-neo4j-cypher -- uvx mcp-neo4j-cypher
{
"mcpServers": {
"mcp-neo4j-cypher": {
"args": [
"mcp-neo4j-cypher"
],
"command": "uvx"
}
}
}
[mcp_servers.mcp-neo4j-cypher]
command = "uvx"
args = ["mcp-neo4j-cypher"]
{
"mcpServers": {
"mcp-neo4j-cypher": {
"args": [
"mcp-neo4j-cypher"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"mcp-neo4j-cypher": {
"args": [
"mcp-neo4j-cypher"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
NEO4J_URI (Neo4j connection URI), NEO4J_USERNAME (Neo4j username), NEO4J_PASSWORD (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).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.