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Tool Catalog — All 109 Tools

This reference documents all 109 MCP tools registered by the SolidWorks MCP server. Each section covers one functional category with parameter tables and copy-paste sample calls.

Tool categories overview — 109 tools across 12 functional areas

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Category Count Description
Modeling Tools 11 Create and manipulate SolidWorks parts, assemblies, and drawings, including sketches, extrusions, revolves, and assemblies.
Sketching Tools 19 Build 2-D sketch geometry (lines, circles, arcs, splines, polygons) and apply geometric constraints and dimensions.
Drawing Tools 12 Create and edit 2-D technical drawings: add projected, section, and detail views, place annotations, and auto-dimension layouts.
Drawing Analysis Tools 8 Quality-gate your drawings by analyzing dimensions, annotations, view coverage, standards compliance, and completeness.
Analysis Tools 5 Extract engineering properties from models, including mass, volume, center of mass, inertia, and material metadata.
Export Tools 7 Convert SolidWorks models to industry-standard interchange and manufacturing formats such as STEP, IGES, STL, DWG, PDF, and images.
File Management Tools 14 Open, save, and manage SolidWorks documents; load parts and assemblies, save variants, inspect model metadata, and classify model families.
Automation Tools 8 Orchestrate multi-step workflows, run batch file processing, manage design tables, and tune performance settings.
VBA Generation Tools 10 Generate and execute VBA macro code for operations that exceed direct COM call complexity or require procedural automation.
Template Management Tools 6 Create, extract, apply, compare, and manage SolidWorks document templates in a reusable library workflow.
Macro Recording Tools 7 Record, replay, analyze, and optimize SolidWorks VBA macros, including macro libraries and batch execution workflows.
Docs Discovery Tools 2 Introspect the live SolidWorks COM object library to discover available interfaces, methods, and practical API usage guidance.

Standard Response Envelope

Every tool returns a dictionary with at least:

{
  "status": "success" | "error",
  "message": "Human-readable description",
  "data": { ... },
  "execution_time": 0.123
}

On error, data is omitted and message contains the failure reason.

Request → Response Flow

sequenceDiagram
    participant LLM
    participant MCP as MCP Server
    participant COM as SolidWorks COM
    participant SW as SolidWorks

    LLM->>MCP: tool call + JSON payload
    MCP->>MCP: Pydantic input validation
    MCP->>COM: COM API call (pywin32)
    COM->>SW: Windows COM dispatch
    SW-->>COM: return value / results
    COM-->>MCP: Python object
    MCP-->>LLM: {"status":"success","data":{...}}

Calling Tools from an LLM

Pass parameters as a JSON object. Only required fields (marked ✅) must be included. All others default to sensible values.

Goal: calculate mass of the open model

Tool: calculate_mass_properties
Payload: {}

Goal: export active part to STEP

Tool: export_step
Payload:
{  "file_path": "C:\\Temp\\part.step" }