Onshape MCP Server

by gpambrozio Your server? Claim it

local only

Onshape runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 22 Sep 2026.

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

—

Installs / week

npm · @gpambrozio/onshape-mcp

Stars

0 open issues

22 Sep 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Onshape every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add onshape -- npx -y @gpambrozio/onshape-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "onshape": {
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.onshape]
command = "npx"
args = ["-y", "@gpambrozio/onshape-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "onshape": {
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "onshape": {
      "args": [
        "-y",
        "@gpambrozio/onshape-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: ONSHAPE_ACCESS_KEY (Onshape API access key. Optional: the server signs in through the browser when this is not set.), ONSHAPE_SECRET_KEY (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.). The author declared them in the registry entry; get the values from the project itself.

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Onshape — questions

Answers built from our own checks of this server.

Why is there no uptime for Onshape?

Onshape runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @gpambrozio/onshape-mcp.

How do I connect Onshape?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @gpambrozio/onshape-mcp straight from npm; nothing to host, nothing to sign up for.

Is Onshape open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.