zwcad-platform
Enables MCP clients to control ZWCAD on Windows, providing 26 automation tools for 2D/3D drawing, annotation, entity editing, document management, and more.
README
ZWCAD Platform MCP
通过 MCP 协议控制 ZWCAD 的 Windows 本地服务，可供 WorkBuddy 及其他支持 MCP stdio 的客户端调用。项目提供 26 个 ZWCAD 自动化工具。
功能
| 类别 | 工具 |
|---|---|
| 2D/3D 绘图 | draw_entity, draw_batch, draw_3d_solid |
| 注释与标注 | add_annotation, add_dimension, insert_block |
| 查询与编辑 | query_dimensions, transform_entity, modify_entity, get_entity_info, set_entity_properties, find_object, get_objects_in_model |
| 样式、视图、文档 | zoom, manage_style, manage_view, manage_document |
| 表格、选择集、图块 | manage_table, select_entities, manage_block |
| 系统与应用 | get_variable, set_variable, get_app_info |
| 扩展数据与工具 | manage_dictionary, manage_xdata, manage_utility |
环境要求
- Windows 10/11
- ZWCAD，启动后至少打开一张 DWG
- Python 3.9 或更高版本
- Python 与 ZWCAD 的位数建议保持一致
安装 Python 时请勾选 Add Python to PATH。也可以从命令行执行 py -3 --version
确认安装成功。
安装
- 解压项目到固定目录，例如
D:\Tools\ZWCAD-Platform-MCP。 - 双击
install.bat。 - 等待脚本创建
.venv并安装依赖。
独立启动测试
- 启动 ZWCAD 并打开一张测试 DWG。
- 双击
start.bat。 - 命令窗口保持运行并等待客户端连接属于正常现象；MCP stdio 服务本身没有网页界面。
配置 WorkBuddy
打开 workbuddy-mcp.json，将其中两处 D:\\YOUR_PATH\\ZWCAD-Platform-MCP 替换为项目实际所在目录。
例如项目位于 D:\Tools\ZWCAD-Platform-MCP 时：
{
"mcpServers": {
"zwcad-platform": {
"command": "D:\\Tools\\ZWCAD-Platform-MCP\\.venv\\Scripts\\python.exe",
"args": ["D:\\Tools\\ZWCAD-Platform-MCP\\server.py"],
"env": {"PYTHONUTF8": "1"}
}
}
}
把 mcpServers 配置合并到 WorkBuddy 的 MCP 配置中，保存并重启 WorkBuddy。
首次验证
建议在测试 DWG 中依次调用：
get_app_infoget_objects_in_model(limit=10)draw_entity(entity_type="line", params={"x1":0,"y1":0,"x2":100,"y2":0})zoom(mode="extents")
如果第一步连接失败，请确认：
- ZWCAD 已经启动并打开 DWG；
- WorkBuddy 使用的是
.venv\Scripts\python.exe； - WorkBuddy 已在修改配置后完全重启；
- 防病毒软件没有拦截 Python 访问本地 COM 服务。
如果旧版本曾出现 mbcs codec can't decode bytes，请使用本项目最新版的
server.py 并完全重启 WorkBuddy。服务已让 comtypes 在内存中生成 ZWCAD 接口包装，
避免系统 ANSI 代码页读取生成文件时失败。
使用安全
部分工具会直接修改当前图纸。执行删除、关闭文档、覆盖保存或修改系统变量前， 建议先保存备份，并在 WorkBuddy 中要求操作前进行人工确认。
License
MIT License，详见 LICENSE。
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