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solidworks-mcp

by blussyya
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solidworks-mcp

An MCP server that drives SolidWorks 2022 directly from AI assistants — sketching, features (extrude/cut/revolve/fillet/chamfer/shell/patterns), driving dimensions and equations, exporting, and inspecting mass properties.

Windows only. SolidWorks automation goes through Windows COM — this must run on the same machine where SolidWorks 2022 is installed and licensed.

Quick start (recommended)

Download the latest release and run setup.bat — it auto-detects your Python and SolidWorks installs, installs dependencies, and configures your client. Done in one click.

Or manually:

powershell -ExecutionPolicy Bypass -File setup.ps1

Related MCP server: solidworks-mcp

Client support

This repo ships the same MCP server for two AI clients:

Client

Directory

Config format

Claude Desktop

claude/

claude_desktop_config.json

opencode

opencode/

opencode.jsonc

Each directory has its own README with client-specific setup instructions and the same Python source code underneath.

solidworks-mcp/
├── README.md                    ← you are here
├── claude/                      ← Claude Desktop
│   ├── README.md
│   ├── claude_desktop_config.example.json
│   ├── server.py
│   ├── connection.py
│   ├── requirements.txt
│   ├── diagnose.py
│   └── tools/
└── opencode/                    ← opencode
    ├── README.md
    ├── opencode_config.example.jsonc
    ├── server.py
    ├── connection.py
    ├── requirements.txt
    ├── diagnose.py
    └── tools/

Quick start

Pick your client and follow its README:

Both require the same prerequisites: Python 3.10+ and SolidWorks 2022 on Windows. Install dependencies with pip install -r requirements.txt in the appropriate directory.

How it works

SolidWorks exposes its entire API over COM natively — no addon required. This server attaches to a running SolidWorks instance (or launches one) via pywin32, and exposes ~30 tools covering the full modeling workflow.

API enum constants are pulled live from your installed SolidWorks type library, so they're guaranteed correct for your install.

See the client-specific READMEs for the full tool list, example workflows, and known rough edges.

This server cannot be deployed

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Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

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