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@dmytro-prototypes/cad-control-mcp-server

v0.1.25

Published

Drive a live AutoCAD session from an AI client through MCP

Vulnerabilities

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Links

Maintainers

dmytro-prototypesdmytro-prototypes

Keywords

mcpmcp-servermodel-context-protocolautocadobjectarxcaddwgai-agentsclaudecodexcursor

Readme

Control MCP Server

Drive a live AutoCAD session from Claude, Codex, Cursor, and other MCP clients — create and edit entities, manage layers/blocks/layouts, run commands and AutoLISP, and capture the current view.

Requirements

  • AutoCAD 2025, 2026, or 2027, with the Control plugin installed and running. This npm package is the MCP server only; it talks to AutoCAD through the plugin over a local connection, and every tool call that touches AutoCAD fails with "no instance found" until the plugin is installed and AutoCAD is open.
  • A Control account. Signing in takes one browser click and stores no secret in your client config — see below.

Run

npx -y @dmytro-prototypes/cad-control-mcp-server

The platform binary ships alongside this package, selected automatically via optionalDependencies. The launcher installs and runs a per-user copy:

  • macOS: ~/Library/Application Support/Control/bin/cad-control-mcp-server
  • Windows: %LOCALAPPDATA%\Programs\Control\cad-control-mcp-server.exe

If LOCALAPPDATA is unset, Windows uses %USERPROFILE%\AppData\Local. Later launches reuse it when its contents match the packaged binary; a different package version replaces it atomically. The copy preserves the packaged code signature. If Windows blocks an update because the executable is running, close the Control MCP connections in your clients and retry; the existing executable is preserved when replacement fails.

Continue using the same npx command for startup and updates; no separate installation command is needed.

Supported platforms are macOS Apple Silicon and Windows x64 — the platforms AutoCAD itself runs on.

Sign in

npx -y @dmytro-prototypes/cad-control-mcp-server login

Opens your browser to approve the sign-in; the key is then stored in your OS credential store, never in a config file. npx -y @dmytro-prototypes/cad-control-mcp-server status shows what's signed in, and logout forgets it. The same commands are also available as CONTROLLOGIN / CONTROLSTATUS / CONTROLLOGOUT typed directly in AutoCAD, once the plugin is installed.

Client configuration examples for Claude Desktop, Claude Code, Codex, and Cursor are at your Control account's setup page.