CAD-Cowork-MCP
MCP server that lets AI Agents control AutoCAD / GstarCAD / ZWCAD via Windows COM interface.
通过 MCP（Model Context Protocol）让 AI Agent 控制 AutoCAD / 浩辰 CAD / 中望 CAD 的独立 MCP 服务器。
Features
- 129 parameterized API commands covering drawing, querying, modification, batch operations, etc.
- Smart command routing with automatic execution method selection
- Batch execution engine with DAG dependency and cross-command parameter passing (
${cmd_id.field}) - GsLc process flow diagram domain-specific command disambiguation
- System prompt template guiding Agents to call commands correctly
Prerequisites
- Windows (requires COM interface)
- Python 3.10+
- AutoCAD / GstarCAD / ZWCAD (installed and running)
- cad-cowork-cstool .NET plugin loaded in CAD
Installation
For Claude Code users
Add to your Claude Code MCP settings:
{
"mcpServers": {
"cad-mcp": {
"command": "uvx",
"args": ["cad-cowork-mcp"]
}
}
}
For other MCP clients
# Install globally
pip install cad-cowork-mcp
# Or run directly with uvx
uvx cad-cowork-mcp
Configuration
CAD type
Edit config.json (inside the installed package) or set before launching:
| CAD Software | Type Value |
|---|---|
| AutoCAD | AUTOCAD (default) |
| GstarCAD (浩辰 CAD) | GCAD |
| ZWCAD (中望 CAD) | ZWCAD |
MCP Tools
| Tool | Description |
|---|---|
smart_cad_command |
[Core] Unified entry point for all CAD operations |
batch_execute |
Batch execute multiple commands with DAG dependencies |
execute_api_command |
Execute a single API command directly |
list_api_commands |
List all 129 available API commands |
get_api_command_info |
Get detailed parameter definition for a command |
gslc_route_command |
[GsLc] Process flow diagram command router |
Usage Examples
// Draw a line
{"command_name": "api_draw_line", "parameters": {"startPoint": [0,0,0], "endPoint": [100,100,0]}}
// Draw a circle
{"command_name": "api_draw_circle", "parameters": {"center": [100,100,0], "radius": 50}}
// Insert a block
{"command_name": "api_insert_block", "parameters": {"blockName": "valve", "insertionPoint": [100,100,0]}}
// Query by layer
{"command_name": "api_query_by_layer", "parameters": {"layerName": "Equipment"}}
// Move entity
{"command_name": "api_move_entity", "parameters": {"entityHandle": "27E2C0", "fromPoint": [0,0,0], "toPoint": [100,100,0]}}
API Command Categories (129 total)
| Category | Count | Examples |
|---|---|---|
| Drawing | 10 | api_draw_line, api_draw_circle, api_create_polyline |
| Query | 15 | api_get_entity_info, api_query_by_layer |
| Block | 8 | api_insert_block, api_set_block_attributes |
| Modify | 11 | api_move_entity, api_delete_entity |
| Batch | 11 | api_batch_move, api_batch_copy |
| Spatial | 8 | api_calc_distance, api_calc_area |
| Layer | 8 | api_create_layer, api_list_layers |
| Document | 4 | api_save_document, api_get_document_info |
| View | 5 | api_zoom_extents, api_zoom_window |
| Selection | 7 | api_select_all, api_select_window |
| Transaction | 3 | api_transaction_begin, api_transaction_commit |
| Process Flow (GsLc) | 39 | api_gslc_query_frame_info, api_gslc_insert_equipment |
License
MIT
1 maintainer
Metadata
1 maintainer
Release files for cad-cowork-mcp 1.0.18
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Total release size: 2.4 MB
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