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Bitbybit CAD MCP

Bitbybit CAD MCP is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide. It has 203 GitHub stars, is released under the MIT license and runs locally with npx -y @bitbybit-dev/mcp.

github.com/bitbybit-dev/bitbybit (opens in a new tab)

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Install Bitbybit CAD MCP

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "bitbybit-cad-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bitbybit-dev/mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio bitbybit-cad-mcp -- npx -y @bitbybit-dev/mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "bitbybit-cad-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@bitbybit-dev/mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "bitbybit-cad-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@bitbybit-dev/mcp"
      ]
    }
  }
}

Claude Code (remote)

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

The same server is also hosted as a remote MCP endpoint, so nothing runs on your machine.

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (5)

Parsed from the Tools section of the README; check the repository for the current list.

  • search_api

    members by keywords, with path, summary, tier and engines

  • describe

    the full contract of one member by dotted path; an unknown path is reported with the nearest existing ones

  • list_namespace

    the members one level below a namespace

  • get_examples

    code examples for a member, a namespace or a topic

  • get_guide

    sections of the public guide on where geometry should run

About Bitbybit CAD MCP

An MCP server that documents the Bitbybit 3D CAD API for AI coding agents: every function, its parameters, defaults, return type and examples, for the exact version your project uses. Bitbybit has 1919 functions across three CAD kernels - more than any model holds in memory - so an agent working from memory invents plausible names that do not exist. An agent with this server looks each one up instead, and writes code that compiles the first time.

  • 3d
  • 3dmodeling
  • 3dprinting
  • aec
  • architecture
  • automotive
  • babylonjs
  • bitbybit
  • cad
  • cam

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FAQ

Bitbybit CAD MCP FAQ

Still curious? Email info@appsgit.com.

What is Bitbybit CAD MCP?

Bitbybit CAD MCP is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide. It has 203 GitHub stars, is released under the MIT license and runs locally with npx -y @bitbybit-dev/mcp. The source code is at github.com/bitbybit-dev/bitbybit.

How do I install the Bitbybit CAD MCP MCP server?

Add the command npx -y @bitbybit-dev/mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Bitbybit CAD MCP free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Bitbybit CAD MCP actively maintained?

The most recent commit was on Oct 2, 2026. The latest release is v1.4.1, published Oct 2, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.