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Bitbybit CAD MCP server

by bitbybit.dev·dev.bitbybit/cad·v1.3.2
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Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide

A93/100grade A
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Safety scan
A93/100

full report

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203 stars52 downloads/wk

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Bitbybit CAD MCP tools (7)

write = sends, deletes, buys or posts
  • describeFree

    The exact contract of one member by dotted path, for example occt.shapes.solid.createBox: signature, every parameter with its type, default and range, the return type, the documentation, examples and where it runs. Answers are for the API version the server holds. An unknown path is reported as not found together with the nearest existing paths; nothing is guessed.

  • fetchFree

    Fetches the full documentation of one Bitbybit API member by id (a dotted path returned by search) as text, with its title, url and metadata.

  • get_examplesFree

    Working TypeScript examples for a member path, for a namespace, or for a topic given as keywords. Each example names the member it belongs to and links its reference page. Examples are written for the API version the server holds.

  • get_guideFree

    Sections of the public guide on building with Bitbybit: what runs in the browser, on a server, on a lightweight backend, and what needs CAD Cloud. Without a topic it lists the sections. Read "integrate" before recommending where geometry should run: the npm packages are the default, and CAD Cloud is for algorithms that exist only there or compute the caller cannot provide.

  • list_namespaceFree

    The members one level below a namespace path, for example occt.shapes, each with its kind and summary. Without a path, the top-level namespaces. Use it to discover what exists before searching for details.

  • searchFree

    Searches the Bitbybit API documentation and returns a list of results with id, title and url. Each id is a dotted API path that fetch accepts.

  • search_apiFree

    Find Bitbybit API members (methods, namespaces, cloud operations) by keywords, for example "box solid" or "fillet edges". Returns dotted paths with a one-line summary, the tier (oss on npm, platform-pro only at bitbybit.dev, cloud-pro only on CAD Cloud) and the engines each is published for. Call describe with a path before writing code that uses it.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • Code scan93 source files scanned25/25
  • Live reliabilityremote reachable in 797ms20/20
  • Tool poisoning7 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace8/10
Overall 93/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

What the publisher says

From the Bitbybit CAD MCP repository's README, as published. We do not edit it. Read it on GitHub

Bitbybit Monorepo

Open-source 3D CAD algorithms for the web - MIT licensed. This monorepo contains all Bitbybit NPM packages plus example applications.

Written to be used by people and by AI coding agents alike: every function is published in a form an agent can look up while it writes - see Build It With an AI Agent.

License

Source code in packages/, languages/, and examples/ is MIT licensed. Documentation text in docs/ is CC BY 4.0. Logos, trademarks, and media assets are not open-source - see CONTENT-LICENSE.md for details.

FULL PLATFORM AT BITBYBIT.DEV

LEARN BITBYBIT

TYPESCRIPT API REFERENCE

Quick Start

Scaffold a fully-configured 3D CAD project in seconds:

npx @bitbybit-dev/create-app my-project

The CLI first asks you to pick an app type:

  • Frontend - Browser-based 3D/CAD app. Choose a game engine (Three.js, Babylon.js, or PlayCanvas) and OCCT architecture (32-bit, 64-bit, or 64-bit MT). You get a Vite + TypeScript project with all three CAD kernels (OCCT, JSCAD, Manifold) pre-configured.
  • CAD Cloud - Full-stack project with server-side CAD via our CAD Cloud API. Choose a backend template (Hono + SDK, Hono + REST, Node.js + SDK, Node.js + REST, or .NET + REST). You get a React + Three.js frontend that proxies requests through your backend - your API key never leaves the server.
cd my-project
npm install
npm run dev

Build It With an AI Agent

Bitbybit has 1725 functions across three CAD kernels - more than any model remembers, so an agent working from memory invents plausible names that do not exist. Give it the Bitbybit CAD MCP instead and it looks up the exact signature, defaults, return type and examples for the version you have installed. It is free and needs no account:

claude mcp add --transport http bitbybit https://mcp.bitbybit.dev/mcp

Codex, Cursor, VS Code, Gemini CLI, Windsurf, Zed, the JetBrains IDEs, claude.ai, ChatGPT and the Claude API connect to the same endpoint, and npx -y @bitbybit-dev/mcp runs it locally against the @bitbybit-dev packages in your project - every configuration is here.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Install directly

claude mcp add --transport http cad https://mcp.bitbybit.dev/mcp
Add to Cursor

Bitbybit CAD MCP: common questions

Is Bitbybit CAD MCP server safe?
Yes, by our scan: it is graded A (93/100). Read the Bitbybit CAD MCP safety report
How do I install Bitbybit CAD MCP?
It runs remotely at mcp.bitbybit.dev. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Bitbybit CAD MCP need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Bitbybit CAD MCP maintained?
The last commit was in the last day (2026-09-20). The latest release is v1.3.2.
Is Bitbybit CAD MCP up?
100% of our last 1 checks got an answer. We check remote servers about four times a day.
What can I use instead of Bitbybit CAD MCP?
Servers from other publishers that do the same job: Claude Code Ultimate Guide MCP server, GitHits MCP server and Misakanet MCP server. Compare all Bitbybit CAD MCP alternatives.

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