What are the runtime requirements?
Python 3.12+, plus a running Neo4j instance on localhost:7687 and a running Qdrant instance on localhost:6333 (default ports). Documents must be already indexed in both databases.
GraphRAG MCP Server
@rileylemm
基本信息
关于 GraphRAG MCP Server
This is a MCP server I built to interact with my hybrid graph rag db.
GraphRAG MCP Server 配置
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"graphrag_mcp": {
"command": "uv",
"args": [
"run",
"main.py"
]
}
}
}GraphRAG MCP Server 工具
工具列表暂未提供
当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。
工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。
概览
What is GraphRAG MCP Server?
A Model Context Protocol (MCP) server that queries a hybrid graph and vector database system combining Neo4j (graph database) and Qdrant (vector database). Built for developers integrating large language models with powerful semantic and graph-based document retrieval.
How to use GraphRAG MCP Server?
Clone the repository, install dependencies with uv install, configure Neo4j and Qdrant connection details in a .env file, then run uv run main.py. For MCP client integration, add the server to your mcp.json configuration file (e.g., for Claude Desktop or Cursor) pointing to the run_server.sh script.
Key features of GraphRAG MCP Server
- Semantic search through document embeddings
- Graph-based context expansion following relationships
- Hybrid search combining vector similarity with graph links
- MCP tools and resources for LLM integration
- Full documentation of Neo4j schema and Qdrant collection info
Use cases of GraphRAG MCP Server
- Enabling LLMs to perform semantic document retrieval
- Expanding context using graph relationships for richer answers
- Hybrid search that balances vector similarity with structured graph queries
- Integrating Neo4j‑ and Qdrant‑backed knowledge into Claude Desktop or Cursor
常见问题
How do I install the server?
Clone the repository, run `uv install` to install dependencies, set database credentials in `.env`, then start with `uv run main.py`. A `run_server.sh` script is provided for MCP client registration.
Why am I getting empty results?
Ensure your document collection is properly indexed in both Neo4j and Qdrant. Verify database connectivity and that the `QDRANT_COLLECTION` name in `.env` matches your indexed collection.
How do I configure authentication for Neo4j and Qdrant?
Set `NEO4J_USER`, `NEO4J_PASSWORD`, and optionally `NEO4J_URI` (default `bolt://localhost:7687`) in `.env`. Qdrant authentication is not explicitly covered; the default configuration assumes no auth.
What transports and authentication does the server use?
The server uses the MCP protocol over HTTP/WebSocket (native). Neo4j communicates via Bolt protocol, Qdrant via HTTP. Credentials for Neo4j are read from environment variables. No MCP‑level auth is described.
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