Skip to main content
Glama
TanPhan97

SolidWorks MCP Server

by TanPhan97
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

SolidWorks MCP Server

Control SolidWorks from Claude in plain language: parts, assemblies, drawings, exports. 132 tools — parts, surfaces, sheet metal, assemblies, drawings · v4.4.0 · tested live on SOLIDWORKS 2026 · Windows · Python 3.10+

License: MIT MCP SolidWorks

part

surface

sheet metal

Hole Wizard, fillet, draft

Surface extrude + thicken

Base + edge flange

sweep

assembly

mates

Sweep along line + arc

Component pattern, exploded view

Slot / hinge / width / gear mates

📘 Full manual (Vietnamese, Word): docs/SolidWorks_MCP_Huong_dan.docx · 📝 CHANGELOG

Quick start

Requires Windows, SolidWorks, Python 3.10+ (64-bit) and Claude Desktop.

git clone https://github.com/TanPhan97/solidworks-mcp.git D:\Solidworks-mcp
cd D:\Solidworks-mcp
py -3 -m venv .venv
.venv\Scripts\python.exe -m pip install -r requirements.txt
.venv\Scripts\python.exe scripts\register_claude_desktop.py

Then Quit Claude Desktop from the system tray, reopen it, and check that Settings → Developer shows solidworks as running. Try: "Connect to SolidWorks and tell me the version."

If the server does not show up, pass the file from Settings → Developer → Edit Config explicitly: register_claude_desktop.py --config "C:\path\to\claude_desktop_config.json" (also: --list, --dry-run, --remove).

Related MCP server: solidworks-mcp

What you can ask

  • "New part: 60×40 rectangle on Top, extrude 10 mm, three M3x0.5 tapped holes 8 deep, fillet the vertical edges R3, material 6061-T6, save to D:\Work\plate.SLDPRT and show me an isometric view."

  • "Change Boss-Extrude1 depth to 12 mm" · "Create global variable Wall = 2 and drive the shell thickness with it."

  • "New assembly with plate and cover, mate them, pattern the cover 3× at 100 mm, check interference, make an exploded view."

  • "Drawing of plate.SLDPRT: 3 views + iso, section A-A, detail at 3:1, model dimensions, center marks, then export PDF."

  • "Export every part in D:\Project to STEP and STL, drawings to PDF."

  • "Curved shell: extrude an R50 arc surface 40 mm and thicken it 2 mm; knit these surfaces into a solid."

  • "Sheet metal 80×50, t=1.5, R2; 20 mm edge flange on the front edge; export the flat pattern to DXF."

  • "Pin in the slot, second pin hinged in the hole, gears 1:2; export the BOM to CSV and Pack and Go to D:\Release."

  • "Drawing: hole table, revision A 'INITIAL RELEASE', auxiliary view of the chamfer."

Tools

Group

Tools

Connection & documents (12)

connect_solidworks, get_solidworks_info, create_new_part, create_new_assembly, open_document, import_file, save_document, close_document, activate_document, get_document_info, list_open_documents, set_units

Sketch (22)

create_sketch, create_sketch_on_face, close_sketch, get_sketch_status, draw_line, draw_circle, draw_rectangle, draw_arc, draw_polygon, draw_centerline, draw_slot, draw_spline, draw_ellipse, sketch_fillet, convert_entities, offset_entities, sketch_mirror, sketch_pattern, set_construction, add_sketch_dimension, add_sketch_relation, sketch_text

Part features (19)

extrude, extrude_sketch, cut_extrude, revolve, loft, sweep, fillet_edges, chamfer_edges, shell, rib, draft, hole_wizard, linear_pattern, circular_pattern, mirror, create_ref_plane, create_ref_axis, scale_part, cosmetic_thread

Multi-body (4)

list_bodies, combine_bodies, split_body, delete_body

Surface (9)

surface_extrude, surface_revolve, planar_surface, offset_surface, loft_surface, knit_surfaces, thicken_surface, cut_with_surface, delete_face

Sheet metal (4)

base_flange, edge_flange, flatten, export_flat_pattern

Selection & topology (8)

list_edges, list_faces, select_edges, select_faces, select_entity, clear_selection, get_selection, measure

Parametric edit (15)

list_features, get_feature_info, edit_feature, list_dimensions, set_dimension, list_equations, set_equation, list_configurations, add_configuration, activate_configuration, suppress_feature, delete_feature, rename_feature, rebuild, undo

Properties & output (8)

get_mass_properties, set_material, set_custom_property, get_custom_properties, export_document, batch_export, set_view, capture_view

Assembly (14)

insert_component, add_mate, list_components, list_mates, move_component, fix_component, set_component_state, replace_component, component_pattern, check_interference, create_exploded_view, add_advanced_mate, export_bom, pack_and_go

Drawing (16)

create_drawing, list_drawing_views, add_drawing_view, add_section_view, add_detail_view, insert_model_annotations, insert_center_marks, insert_bom, auto_balloon, add_note, add_sheet, activate_sheet, add_revision, insert_hole_table, add_auxiliary_view, add_broken_out_section

Advanced (1)

execute_python

All lengths take an optional unit (mm default; cm, m, inch, ft). Angles are in degrees.

Configuration (optional)

solidworks_mcp/config.json. Every key is optional, and auto means auto-detect:

{ "default_unit": "mm", "part_template": "auto", "assembly_template": "auto",
  "drawing_template": "C:\\Templates\\A4.drwdot", "log_level": "INFO" }

Logs go to solidworks_mcp/solidworks_mcp.log; stdout is reserved for MCP.

Testing

.venv\Scripts\python.exe -m pytest -q solidworks_mcp\tests          :: offline, fake COM (51 tests)
.venv\Scripts\python.exe scripts\smoke_test.py D:\swmcp_test        :: live, SolidWorks open (216 checks, 13 sections)

Use a new output folder for each smoke run. SolidWorks cannot open two files with the same name.

Troubleshooting

Problem

Fix

Server missing in Claude Desktop

Register with --config (Store installs use another folder), then fully Quit and reopen

"No part template found"

Set part_template in config.json or a default template in SolidWorks Options

A tool hangs or times out

A modal dialog is open in SolidWorks: close it. The known dialogs are suppressed in code

"Critically low on memory"

Too many open documents: close some

Advanced mate reports over-defined

The first inserted component is fixed: fix_component(names, fixed=false)

New tools do not appear

Quit and reopen Claude Desktop

Safety

execute_python runs arbitrary Python with your user rights. Use it only in trusted setups, or remove it from TOOL_TABLE in solidworks_mcp/tools_ext.py. The server never calls CloseAllDocuments, and batch export never closes documents that were already open or have unsaved changes.

Project layout

solidworks_mcp_server.py      entry point (launched by Claude Desktop)
solidworks_mcp/server.py      MCP server: list_tools / call_tool
solidworks_mcp/tools_ext.py   tool registry: schema + dispatch for all 132 tools
solidworks_mcp/automation/    SolidWorks logic (sketch, features, surfaces, sheet metal, assembly, drawing…)
solidworks_mcp/tests/         offline unit tests
scripts/                      smoke test, Claude Desktop registration

To add a tool, write the method in an automation/ mixin and add one line to TOOL_TABLE and CATEGORIES.

Credits

Original project by Samsaam Ali Baig (alisamsam/solidworks-mcp), MIT License. v4.x extensions (part / assembly / drawing tools, registry, tests) by Phan Chu Tan.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

Related MCP Connectors

Related MCP Servers

  • SolidWorks MCP Server

    Sam-Of-The-Arth
    F
    license
    Not graded
    quality
    D
    maintenance
    Enables Claude to create and manipulate SolidWorks CAD models through natural language commands, automating part creation, sketching, and extrusion.
    10
    -

  • solidworks-mcp

    keecherr
    A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI (e.g., Claude) to control SolidWorks via natural language, automating part creation, sketching, and feature operations through the Model Context Protocol.
    1
    MIT

  • solidworks-mcp-python

    rskproductions
    A
    license
    B
    quality
    B
    maintenance
    Enables Claude or any MCP client to drive a live SOLIDWORKS session through its COM API, modeling parts, building assemblies with mates, checking interferences and machining feasibility, and exporting STEP or DXF files. It also exposes a local semantic index of the SOLIDWORKS API so the model can look up signatures, enums, and official examples before running arbitrary Python against the session.
    22
    1
    MIT

  • Jarvis Onshape MCP

    farouk15160
    A
    license
    Not graded
    quality
    B
    maintenance
    Enables Claude to create and modify real Onshape CAD models — sketches, extrudes, fillets, patterns, mates, and parametric variables — with every mutation returning structured status, warnings, and geometric deltas. Includes multi-view PNG rendering, image-reference decomposition, and drawing OCR so the agent can visually verify and iterate on parts and assemblies.
    MIT