Onshape

MCP server · by gpambrozio

Developer Tools npm v0.3.0

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

View source ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.3.0

npm
npx -y @gpambrozio/onshape-mcp

npm
npx -y @gpambrozio/onshape-mcp@0.3.0

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp@0.3.0"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env ONSHAPE_ACCESS_KEY=<YOUR_ONSHAPE_ACCESS_KEY> --env ONSHAPE_SECRET_KEY=<YOUR_ONSHAPE_SECRET_KEY> onshape -- npx -y @gpambrozio/onshape-mcp

claude mcp add --env ONSHAPE_ACCESS_KEY=<YOUR_ONSHAPE_ACCESS_KEY> --env ONSHAPE_SECRET_KEY=<YOUR_ONSHAPE_SECRET_KEY> onshape -- npx -y @gpambrozio/onshape-mcp@0.3.0

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp@0.3.0"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

{
  "servers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp@0.3.0"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "onshape": {
      "command": "npx",
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp@0.3.0"
      ],
      "env": {
        "ONSHAPE_ACCESS_KEY": "<YOUR_ONSHAPE_ACCESS_KEY>",
        "ONSHAPE_SECRET_KEY": "<YOUR_ONSHAPE_SECRET_KEY>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

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

GitHub

⭐ 1 stars · 最近更新于 51 天前 · MIT license

About this server

Onshape MCP server Drive Onshape CAD from an AI assistant. 87 tools for documents, part studios, sketching, solid features, assemblies, drawings, measurement and export — and no setup beyond installing it: the first tool call that needs Onshape opens a browser and asks you to connect. The assistant…

Summary from the project README — github.com/gpambrozio/onshape-mcp

Distributed as npm, listed under Developer Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Onshape MCP server do?

How do I install Onshape?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Onshape free to use?

The MCP server itself is free to install. The source is public on https://github.com/gpambrozio/onshape-mcp. Any third-party service it calls may require its own API key and account.

Which clients support Onshape?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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