What CAD software does CAD-MCP Server support?
It supports AutoCAD, GstarCAD (GCAD), and ZWCAD. The CAD type is configured in `src/config.json`.
CAD-MCP Server (CAD Model Control Protocol Server)
@daobataotie
Basic information
About CAD-MCP Server
CAD MCP Server
CAD-MCP Server config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"CAD-MCP": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/inspector",
"python",
"C:\\cad-mcp\\src\\server.py"
]
}
}
}CAD-MCP Server tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
Fetch the live tool list by running this server in a temporary sandbox using the button above.
Overview
What is CAD-MCP Server?
CAD-MCP Server is an innovative CAD control service that allows users to control CAD software for drawing operations through natural language instructions. It combines natural language processing and CAD automation technology, enabling users to create and modify CAD drawings via simple text commands without manually operating the CAD interface.
How to use CAD-MCP Server?
Install the required Python dependencies (pywin32, mcp, pydantic, typing) and configure the src/config.json file specifying the CAD software type, startup wait time, and command delay. Start the service with python src/server.py. Integrate with Claude Desktop, Windsurf, or Cursor by adding the server to their MCP configuration, or test with MCP Inspector using the provided npx command. The server exposes API functions such as draw_line, draw_circle, draw_text, and save_drawing.
Key features of CAD-MCP Server
- Supports AutoCAD, GstarCAD (GCAD), and ZWCAD
- Basic drawing functions: line, circle, arc, rectangle, polyline, text, hatch, dimension
- Layer management: create and switch layers
- Save drawings as DWG files
- Natural language command parsing with color and shape keyword mapping
Use cases of CAD-MCP Server
- Create CAD drawings by typing natural language instructions instead of using the GUI
- Automate repetitive CAD tasks through AI-driven command sequences
- Integrate CAD operations with AI assistants like Claude Desktop for conversational drafting
Frequently asked questions
What are the system requirements for running CAD-MCP Server?
Windows operating system is required, along with an installed CAD software (AutoCAD, GstarCAD, or ZWCAD). Dependencies include pywin32>=228, mcp>=0.1.0, pydantic>=2.0.0, and typing>=3.7.4.3.
How does CAD-MCP Server process natural language commands?
It uses a natural language processor (`nlp_processor.py`) to parse instructions, extract color information, map shape and action keywords, and convert them into CAD operation parameters for execution by the CAD controller.
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