SolidworksMCP

Major Update

From a short description and reference images to native, editable SOLIDWORKS models. This update brings a new modeling workflow, a companion agent SKILL, and measured checks from the first draft to the final delivery.

1. Build complete parametric models

Describe the model in a compact Python shape program. Preview its proportions before building, then create named solids, native features and equations in SOLIDWORKS. Keep dimensions as parameters so the saved model can evolve.

2. Edit with confidence

Change parameters or patch just the intended part of the program. Failed edits restore the saved model; revert takes you back to an earlier state. Long operations report progress, and completed results survive an MCP reconnect.

3. Deliver a result you can check

Compare the built model with reference images, measure fits and inspect native body health. Export SLDPRT, STEP and per-body STL with validation results and file hashes. See exactly what passed and what still needs checking.

Related MCP server: MCP_CAD

Why the companion skill matters

The skill is a core part of the modeling experience. The MCP server provides CAD tools; the solidworks-mcp skill gives the agent the workflow and practical SOLIDWORKS knowledge to use them together.

It guides the agent through planning parametric geometry, checking proportions in a fast draft, building native solids, making focused edits and verifying the result before export. Tool selection, reusable joint patterns, recovery steps and known limitations are included, so you can focus your prompt on the model you want instead of explaining the CAD process each time.

Install the skill alongside the server to give your agent the modeling guidance used throughout this project. Read the skill or follow the installation steps.

Get started · Install the skill · Modeling guide · All tools

• get_model_context — Read the active model, parameters, bodies and editable source.

• model_api_lookup — Find modeling commands, examples and ready-to-use joint templates.

• execute_model_code — Preview, build, edit or revert a native parametric model.

• observe_model — Capture native views, custom camera angles and close-ups.

• measure_reference — Measure dimensions and selected details in a reference image.

• compare_reference — Compare model proportions with a reference image and highlight deviations.

• inspect_model — Check native geometry, dimensions, fits and printability.

• export_model — Export validated SLDPRT, STEP and per-body STL with a results manifest.

And more.

Built with SolidworksMCP

Bender, 150 mm. A compact program builds the visor, convex eyes, curved teeth, access door, limbs and hands as native solids. Front and side comparisons measure the result against the approved references.

Start modeling

Install the server and the included solidworks-mcp skill, then connect your MCP client to SOLIDWORKS. The skill guides the agent through drafting, building, editing, verification and export.

No model weights are needed for ordinary CAD work. Download this project as a ZIP or clone it normally. For image vectorization, install the optional weights separately.

Start with get_model_context and model_api_lookup(topic="all"). A first shape program can be as small as:

Height = model.parameter("Height", 80)
model.revolve("Pedestal", [(0, 20), (Height / 4, 20), (Height, 8)])

Pass it to execute_model_code in analyze mode to preview, then create with a new absolute .SLDPRT path to build. Continue with the modeling guide.

Explore

Current candidate: 6.30.0rc1. Requires Windows and an installed, licensed SOLIDWORKS session. The documented native fixtures were qualified on SOLIDWORKS 2026 SP2.1; Python 3.11 was tested. SOLIDWORKS 2025 compatibility guards remain, but the new recipes have not been qualified on that version.

Shape programs support 512 components, including consumed nodes and patterns. The published code snapshot passed 731 unit and regression tests. The default catalog has 13 tools, with 84 more expert operations available through discovery. The full schemas are versioned alongside the documentation.

Standard-plane sketches support localized and renamed planes. Issue #1: reproduction, fix and six native checks.

The Bender showcase records October 5–7 runs on 6.27.0–6.29.5, not a fresh 6.30.0rc1 native acceptance run. The detailed character run cancelled export; the glue-assembly run has a validated export and separate assembly checks. Detailed source programs and test records are maintained internally.

Long CAD sessions can accumulate substantial memory. Export validation does not certify every manufacturing property. Recorded evidence and limitations.

python -m unittest discover -s tests -p "test_*.py"
python scripts/generate_tool_docs.py --check
python tests/check_skill_docs.py --skill skills/solidworks-mcp

The main checkout, documentation and showcase image use ordinary Git. Optional line-art weights live in SolidworksMCP-models.

License

MIT. Optional model notices: LICENSES.md.