PartCAD

Name: PartCAD
Author: partcad

by partcadversion 0.9.2i★ –iRuns on your computer

Registry nameio.github.partcad/partcad

Install

Overview

Description from the maker (original English)

Inspect, render, test and export the parts and assemblies of PartCAD hardware packages

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: PC_PATH

You need

PyPIPython’s uv installed (for the uvx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "partcad": {
      "command": "uvx",
      "args": [
        "partcad",
        "mcp"
      ],
      "env": {
        "PC_PATH": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add partcad --env PC_PATH=your-value -- uvx partcad mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "partcad": {
      "command": "uvx",
      "args": [
        "partcad",
        "mcp"
      ],
      "env": {
        "PC_PATH": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "partcad": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "partcad",
        "mcp"
      ],
      "env": {
        "PC_PATH": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

PC_PATH env
The PartCAD package to serve: a directory with a partcad.yaml, or the file. The working directory when unset.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account partcad, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32415 servers in this category
Published to the registry more recently than 96% of the other 32415 servers in this category
Basic checks equal to or better than 100% of the other 32415 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is PartCAD safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.9.2) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Safe Fetch

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago

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Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated yesterday

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Safe Fetch

by Sanoy24

MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks.

Runs on your computerUpdated today

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

PartCAD

[PartCAD] is the programming language for manufacturable things.

A package is a Git repository with a partcad.yaml that declares parts (CAD scripts or files), assemblies, materials and requirements. PartCAD renders, tests, simulates, analyses and documents them, and produces the bill of materials, the sourcing and the assembly instructions from that same source. Everything is text, so it is versioned, reviewed and generated like software, by people and by AI agents.

Documentation · Website · Demos · Discord

Install

Pick one. Every option ends up with the same pc command line tool and the same packages.

You have	Install
Nothing yet	The PartCAD IDE: `curl -fsSL https://raw.githubusercontent.com/partcad/partcad/main/install.sh \	sh -s -- --ide`, or the Windows and macOS installers on the releases page
Python	`pip install -U partcad`
Visual Studio Code	`code --install-extension PartCAD.partcad-official` (marketplace)
Claude Code	`/plugin marketplace add partcad/partcad@plugin-dist`, then `/plugin install pc@partcad`, then `/pc:setup`

The standalone command line tools without Python, the snap, the FreeCAD add-on, the MCP server for other AI agents, and the per-OS notes are all in Installation.

Try it

pc init                      # a package in the current directory, with agent skills for Claude Code and Cursor

pc ide view my_part # show it in the Digital Thread of the IDE or the extension pc render my_part # SVG, PNG, DXF... from any angle pc test # the ports, interfaces, physics and simulations the objects declare pc instructions my_assembly # the assembly instruction book, PDF or HTML, with the bill of materials

Or, in Claude Code, /pc:gen a mounting bracket with four M4 holes: the agent writes the CAD script, renders it and checks the result against what was asked.

The tutorial walks through a first package, and examples/ has one directory per feature.

What it does

Parts from [CadQuery], [build123d], [OpenSCAD], [Chili3D], [SDF], STEP, BREP, IGES, STL, 3MF, OBJ, glTF, FreeCAD, Autodesk Fusion, SolidWorks, Autodesk Inventor, CATIA V5, ACIS and Creo View files, [KiCad EDA] PCBs, and any format a plugin package adds ([SolidCraft], Rhino).
Assemblies and scenes in Assembly YAML, URDF, or a STEP, Autodesk Fusion or Creo View file, with interfaces and mating as objects.
Outputs: STEP, BREP, STL, 3MF, OBJ, IGES, glTF, URDF, Gazebo and MuJoCo worlds, 2D projections, dimensioned drawings, Markdown documentation and PDF or HTML instruction books.
Engineering: FEA, modal, thermal and CFD analysis (pc cae), simulation in MuJoCo or Gazebo (pc sim), 2.5D toolpaths (pc cam), and materials and manufacturing methods carried into the bill of materials.
Supply chain: a Build vs Buy decision per line item, stock-based procurement for made parts, and automated purchasing from the command line.
AI agents: Agent Skills for Claude Code and Cursor, an MCP server (pc mcp), and plain-text --no-ansi output on every command.
Caching in memory, on disk, in memcached and in S3, so a team or a CI fleet renders each model once.

The full list of what is supported, and what is still in progress, is in Supported formats and features.

Why

PartCAD is not a drawing tool. It is the layer under the drawing tools: the specification of a manufacturable product, kept in a form that a human, a CI job and an AI model can all read, change and verify. Keeping that specification on-prem, in Git, and portable between CAD tools and manufacturers is the point. See Introduction and Use cases.

Community

Questions and feedback go to Discord; bugs and ideas to GitHub issues. Follow [LinkedIn], [YouTube] and [Twitter/X] for releases. To contribute, start with Contributing.

Licensed under Apache 2.0.

PartCAD

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Safe Fetch

README from the maker

PartCAD

Install

Try it

What it does

Why

Community