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Onshape

io.github.gpambrozio/onshape · v0.3.0

Drive Onshape CAD from an assistant: documents, sketches, solid features, assemblies and exports.

Connect Runs on your machine

Terminal
claude mcp add onshape -e ONSHAPE_ACCESS_KEY=<ONSHAPE_ACCESS_KEY> -e ONSHAPE_SECRET_KEY=<ONSHAPE_SECRET_KEY> -e ONSHAPE_MCP_OUTPUT_DIR=<ONSHAPE_MCP_OUTPUT_DIR> -- npx -y @gpambrozio/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/[email protected]"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>",
        "ONSHAPE_MCP_OUTPUT_DIR": "<ONSHAPE_MCP_OUTPUT_DIR>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/[email protected]"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>",
        "ONSHAPE_MCP_OUTPUT_DIR": "<ONSHAPE_MCP_OUTPUT_DIR>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "onshape": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/[email protected]"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>",
        "ONSHAPE_MCP_OUTPUT_DIR": "<ONSHAPE_MCP_OUTPUT_DIR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
ONSHAPE_ACCESS_KEY
Optional, secret
Onshape API access key. Optional: the server signs in through the browser when this is not set.
ONSHAPE_SECRET_KEY
Optional, secret
Onshape API secret key, paired with ONSHAPE_ACCESS_KEY.
ONSHAPE_MCP_OUTPUT_DIR
Optional
Directory for exported STL/STEP files and renders. Defaults to the working directory.

Details

Package@gpambrozio/[email protected] (NPM, stdio)
First published28 Oct 2026
Last updated28 Oct 2026
Registry nameio.github.gpambrozio/onshape

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