digital-twin-mcp
Exposes digital twin device data capabilities as MCP tools, allowing MCP clients to query device status, read real-time metrics, fetch time-series data, and check alerts. Includes a simulated PLC driver with a clean interface for connecting real devices via OPC-UA, Modbus, or gateway APIs.
README
digital-twin-mcp
把数字孪生场景中的设备数据能力打包成 MCP 工具——任何 MCP 客户端(WorkBuddy、Claude Desktop、Cursor 等)都能直接查询设备状态、读取实时指标、拉取时序数据、检查告警。
数字管道的建筑师 · 第二块积木:设备监控管道 第一块积木:https://github.com/xici001/workflow-templates(AI 自动化工作流模板)
它能做什么
| 工具 | 说明 |
|---|---|
list_devices |
列出场景内所有设备(类型 / 位置) |
get_device_metrics |
读取设备实时指标(模拟 PLC 轮询) |
get_metric_history |
读取某指标最近时序数据(供趋势图 / 3D 可视化) |
set_device_value |
写入设备参数(模拟 PLC 写值 / 故障注入测试) |
check_alerts |
阈值告警检查(warning / critical 分级) |
| 资源 | 说明 |
|---|---|
device://{id}/profile |
设备台账:元数据 + 指标量程与告警阈值 |
scene://layout |
3D 场景布局:设备世界坐标(Three.js / Unity 直接叠加) |
| 提示词 | 说明 |
|---|---|
device_health_report |
生成指定设备的健康报告 |
架构
MCP 客户端(WorkBuddy / Claude Desktop / ...)
│ stdio 或 streamable-http
┌───────▼───────────────┐
│ server.py (FastMCP) │ ← 工具 / 资源 / 提示词定义
└───────┬───────────────┘
│
┌───────▼───────────────┐
│ alerts.py │ 告警规则引擎(阈值分级)
│ device_registry.py │ 设备台账 + 指标配置 + 3D 坐标
│ simulator.py │ PLC 数据驱动(BasePLCDriver 接口)
└───────────────────────┘
- v0 数据源为模拟 PLC 驱动(固定随机种子、可复现;注塑机温度故意贴近阈值上漂,方便演示告警升级)。
- 接真实设备时继承
BasePLCDriver实现read_metrics/write_value(OPC-UA / Modbus / 网关 API 皆可),Server 层零改动。
快速开始
pip install -e .
# 方式一:stdio 传输(MCP 客户端默认)
python -m digital_twin_mcp.server
# 方式二:streamable-http 传输
python -m digital_twin_mcp.server --transport streamable-http
端到端测试(启动 server 子进程并通过 stdio 协议调用):
python examples/client_test.py
接入 WorkBuddy
把 examples/workbuddy_mcp.json 的内容合并到 C:\Users\33033\.workbuddy\mcp.json 的 mcpServers 中,然后在连接器管理页右上角的自定义连接器入口对 digital-twin-mcp 点击「信任」启用。
与 workflow-templates 的关系
同一个"数字管道"品牌下的两块积木:
workflow-templates:把脑力劳动(财报分析等)打包成工作流digital-twin-mcp:把设备数据能力(数字孪生 / PLC)打包成 MCP 工具
两者未来可组合:工作流模板的「设备健康报告」等模板,可直接调用本 MCP 的工具获取真实数据。
路线图
- v0.1:模拟 PLC + 5 个工具 + 2 个资源 + 1 个提示词(当前)
- v0.2:OPC-UA 真实接入、时序数据落库(SQLite/InfluxDB)、WebSocket 推送
- v0.3:3D 场景联动(场景布局资源对接 Three.js 渲染)、多工厂实例
许可
MIT License
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