SolidWorks MCP Server

SolidWorks MCP Server

Connects Claude Code to SolidWorks via MCP protocol, enabling natural language control for creating 3D models.

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README

SolidWorks MCP Server

通过 MCP 协议连接 Claude Code 和 SolidWorks，实现自然语言控制 SolidWorks 画图。

工作原理

用户自然语言 → Claude Code → MCP Server → SolidWorks COM API → 3D 模型

环境要求

  • Windows 10/11
  • SolidWorks 2020 或更高版本
  • Python 3.10+
  • Claude Code CLI

安装步骤

1. 克隆项目

git clone <your-repo-url>
cd solidworks-mcp

2. 安装依赖

pip install -r requirements.txt

3. 配置 Claude Code

在项目根目录创建 .claude/settings.json：

{
  "mcpServers": {
    "solidworks": {
      "command": "python",
      "args": ["-m", "server.mcp_server"],
      "cwd": "<项目绝对路径>"
    }
  }
}

或者在全局配置 ~/.claude/settings.json 中添加同样的配置。

使用方法

1. 启动 SolidWorks

确保 SolidWorks 已经打开。

2. 启动 Claude Code

claude

3. 开始对话

直接用自然语言描述你要画什么：

基础操作：

  • "帮我创建一个新零件"
  • "在前视基准面画一个 100x50 的矩形"
  • "拉伸 30mm"
  • "保存到 D:\models\test.sldprt"

进阶操作：

  • "画一个直径 50 高 80 的圆柱"
  • "在顶面开一个直径 10 的通孔"
  • "对所有边做半径 5 的圆角"
  • "把这个特征镜像到右边"

复合操作：

  • "画一个 100x50x30 的长方体，在顶面中心开一个直径 8 的通孔，然后对所有边做圆角"

支持的 MCP Tools

Tool 功能
sw.new_part 创建新零件
sw.new_assembly 创建新装配体
sw.new_drawing 创建新工程图
sw.open 打开现有文档
sw.save 保存文档
sw.export_step 导出 STEP
sw.close 关闭文档
sw.new_sketch 创建草图
sw.draw_line 画线段
sw.draw_circle 画圆
sw.draw_arc 画弧
sw.draw_rectangle 画矩形
sw.draw_center_rectangle 画中心矩形
sw.draw_polygon 画正多边形
sw.exit_sketch 退出草图
sw.extrude 拉伸凸台
sw.cut_extrude 拉伸切除
sw.revolve 旋转
sw.fillet 圆角
sw.chamfer 倒角
sw.shell 抽壳
sw.mirror 镜像
sw.linear_pattern 线性阵列
sw.circular_pattern 圆周阵列
sw.add_plane 创建基准面
sw.add_axis 创建基准轴
sw.delete_feature 删除特征
sw.undo 撤销
sw.add_dimension 尺寸标注
sw.zoom_to_fit 缩放至适合
sw.rebuild 重建模型
sw.get_model_info 获取模型信息
sw.list_features 列出特征

故障排除

无法连接 SolidWorks

  1. 确保 SolidWorks 已启动
  2. 检查 SolidWorks 版本是否支持 COM 自动化
  3. 以管理员权限运行 Python

MCP Server 启动失败

  1. 检查 Python 版本：python --version
  2. 检查依赖是否安装：pip list | grep mcp
  3. 检查 cwd 路径是否正确

操作执行失败

  1. 检查草图是否封闭
  2. 检查尺寸参数是否合理
  3. 使用 sw.get_model_info 查看当前状态

开发

项目结构

solidworks-mcp/
├── .claude/skills/solidworks.md   # Skill 定义
├── server/
│   ├── __init__.py
│   ├── mcp_server.py              # MCP Server 入口
│   └── sw_api.py                  # SolidWorks COM 封装
├── requirements.txt
├── pyproject.toml
└── README.md

扩展新功能

  1. 在 sw_api.py 中添加新的 API 方法
  2. 在 mcp_server.py 中注册对应的 MCP tool
  3. 在 .claude/skills/solidworks.md 中更新操作指南

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