Neo4j MCP Server
Neo4j MCP Server - A microservice for Neo4j database operations
dandelionmayday123
README
Neo4j MCP Server
这是一个基于MCP框架的Neo4j数据库操作服务。
功能特性
- 支持异步操作
- 提供Neo4j数据库的基本操作接口
- 支持代理服务器配置
- 完整的日志记录
安装
pip install -e .
配置
创建.env文件并设置以下环境变量：
NEO4J_URI=http://your-neo4j-server:7474
NEO4J_USERNAME=neo4j
NEO4J_PASSWORD=your-password
HTTP_PROXY=http://your-proxy:port # 可选
HTTPS_PROXY=http://your-proxy:port # 可选
使用方法
- 启动服务器：
python src/server.py
- 使用MCP客户端调用服务：
from mcp.client import Client
async with Client() as client:
# 执行Cypher查询
result = await client.execute_query("MATCH (n) RETURN n LIMIT 5")
# 创建节点
node = await client.create_node("Person", {"name": "张三", "age": 30})
# 创建关系
rel = await client.create_relationship(1, 2, "KNOWS", {"since": "2024"})
开发
- 创建虚拟环境：
python -m venv .venv
source .venv/bin/activate # Linux/Mac
.venv\Scripts\activate # Windows
- 安装开发依赖：
pip install -e ".[dev]"
- 运行测试：
python -m pytest
许可证
MIT
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