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Install Node.js

You only need Node.js to run the Atlas MCP server locally with an API key. The Claude Desktop plugin, the hosted sign-in route and Copilot Studio don't need it. Most machines don't have Node.js installed by default. This takes about 2 minutes.

Check if you already have it​

Open Terminal (Mac) or Command Prompt (Windows) and run:

node --version

If you see a version number (v20 or higher), you're good. Skip to Done.

If you see "command not found" or an error, follow the steps below.

Mac​

The easiest way is to download the installer from nodejs.org.

  1. Go to https://nodejs.org
  2. Click the big green LTS button (this downloads the installer)
  3. Open the downloaded .pkg file
  4. Click through the installer (all defaults are fine)
  5. Open a new Terminal window and verify:
node --version

You should see something like v22.x.x.

Windows​

  1. Go to https://nodejs.org
  2. Click the big green LTS button
  3. Run the downloaded .msi installer
  4. Click through the installer (all defaults are fine, make sure "Add to PATH" is checked)
  5. Open a new Command Prompt and verify:
node --version

Done​

That's it. Now go connect your AI tool: