neo4j-mcp
MCP server for Neo4j graph database operations, enabling Cypher queries, node/relationship management, and schema discovery.
README
neo4j-mcp
MCP server for Neo4j graph database operations.
Installation
uv pip install -e .
Usage
# Stdio mode (default)
neo4j-mcp serve
# HTTP mode
neo4j-mcp serve --http --port 3045
# With mock mode for testing
neo4j-mcp serve --mock
# With custom connection
neo4j-mcp serve --uri bolt://localhost:7687 --database neo4j
Tools
Queries:
run_cypher- Execute Cypher queries
Nodes:
create_node- Create a nodeget_node- Get node by IDdelete_node- Delete a nodefind_nodes- Find nodes by criteria
Relationships:
create_relationship- Create relationshipdelete_relationship- Delete relationship
Paths:
find_paths- Find paths between nodes
Schema:
get_schema- Get database schema info
Configuration
Set via environment variables with NEO4J_MCP_ prefix:
NEO4J_MCP_URI- Neo4j URI (default: bolt://localhost:7687)NEO4J_MCP_USER- Username (default: neo4j)NEO4J_MCP_PASSWORD- PasswordNEO4J_MCP_DATABASE- Database name (default: neo4j)NEO4J_MCP_MOCK_MODE- Enable mock mode
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