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Neo4j GDS Agent

MCP Server

LLM-powered graph analytics with Neo4j GDS

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About

The Neo4j GDS Agent MCP server lets language models query and run graph algorithms on a Neo4j database, enabling natural‑language questions about complex graph data. It integrates the Neo4j Graph Data Science library for real-time algorithm execution.

Capabilities

Resources
Access data sources
Tools
Execute functions
Prompts
Pre-built templates
Sampling
AI model interactions

London Underground Graph

The Neo4j GDS MCP Server, dubbed the GDS Agent, bridges the gap between large language models and graph‑centric data. While most LLMs excel at natural language understanding, they lack the ability to perform sophisticated graph analytics on their own. By exposing Neo4j’s Graph Data Science (GDS) library as a set of callable tools, the GDS Agent enables an AI assistant to formulate, parameterise and execute complex graph algorithms—such as shortest‑path, community detection or centrality measures—in real time against a live Neo4j database.

For developers building AI‑powered applications, this means that natural language queries can be translated into precise graph operations without manual intervention. An LLM equipped with the GDS Agent can, for example, interpret a user’s request for an optimal travel route and automatically invoke the appropriate shortest‑path or Yen’s algorithm, returning a concise answer. This eliminates the need for custom back‑end code to parse queries or orchestrate algorithm calls, dramatically speeding up prototype development and reducing operational overhead.

Key capabilities of the GDS Agent include:

  • Algorithmic Coverage: Full access to Neo4j’s GDS suite, covering pathfinding, clustering, ranking and more.
  • Parameterised Execution: The agent accepts algorithm parameters directly from the LLM, allowing dynamic query construction.
  • Database Connectivity: Seamless integration with any Neo4j instance via standard bolt credentials, including optional database selection.
  • Extensibility: Developers can augment the server with additional algorithms or custom logic, and contribute back through a straightforward pull‑request workflow.

Typical use cases span transportation planning (finding optimal routes on subway networks), recommendation systems (identifying influential nodes in social graphs), fraud detection (spotting anomalous transaction chains) and knowledge graph exploration. In each scenario, the GDS Agent empowers an AI assistant to answer “graph questions”—such as “Which stations are most central?” or “What is the shortest path between two points?”—with accurate, algorithm‑driven results.

Integration into AI workflows is straightforward: once the MCP server is running and registered in the client’s configuration, any supported LLM can invoke GDS tools as part of its reasoning loop. The agent’s outputs are returned in a structured format, ready for the assistant to incorporate into its response or pass back to downstream services. This tight coupling between natural language understanding and graph analytics delivers a powerful, end‑to‑end solution for data‑driven AI applications.