MCP Neo4j Server Sse Java

What is mcp-neo4j-server-sse-java?

mcp-neo4j-server-sse-java is a Java-based MCP server that integrates with Neo4j graph databases, enabling Cypher query execution and graph exploration via either SSE or STDIO transport protocols.

How to use mcp-neo4j-server-sse-java?

Clone the repository, build with mvn clean install -DskipTests (requires Java 17+), and run the jar. Configure using system properties for Neo4j connection (URI, username, password, database) and transport mode. For Cline client, add an entry to cline_mcp_settings.json specifying the server URL (SSE mode) or command arguments (STDIO mode).

Key features of mcp-neo4j-server-sse-java

• Supports both SSE and STDIO transport protocols.
• Execute Cypher read queries (read-neo4j-cypher) and write queries (write-neo4j-cypher).
• Retrieve graph schema (node types, attributes, relationships) via get-neo4j-schema.
• Built with Spring AI and Spring WebFlux for automatic tool registration.
• Includes a mcp-demo prompt for guided database operations.

Use cases of mcp-neo4j-server-sse-java

• Querying a Neo4j graph database from an AI assistant.
• Exploring node and relationship schemas before performing analysis.
• Updating or creating graph data via Cypher write operations.
• Interactive database operations guided by the demo prompt.