How to Install Mailchimp MCP in 5 Minutes

Getting Started3 min readPublished: November 2025

๐Ÿš€ Get Mailchimp MCP up and running in just 5 minutes with this step-by-step installation guide.

Prerequisites

Before you begin, make sure you have:

Installation Methods

Method 1: macOS Installer (Recommended for macOS)

  1. Download the Installer

  2. Open the DMG

    • Double-click the DMG file to mount it
    • You'll see MailchimpMCPInstaller.app and MailchimpMCPUninstaller.app
  3. Run the Installer

    • Double-click MailchimpMCPInstaller.app
    • If you see a security warning, right-click โ†’ Open โ†’ Open
    • Follow the installation wizard
  4. Configure

    • Enter your Mailchimp API key when prompted
    • The setup UI will open automatically in your browser
    • Complete the configuration
  5. Restart Claude Desktop

    • Quit Claude Desktop completely (โŒ˜Q)
    • Reopen Claude Desktop
    • Mailchimp MCP should now be connected!

Method 2: Command Line (All Platforms)

  1. Install the Package

    npm install -g @alien-lifestyles/mailchimp-mcp
    
  2. Launch Setup

    mailchimp-mcp-config
    

    Or use the alternative command:

    mailchimp-mcp-setup
    
  3. Configure

    • The setup UI will open in your browser at http://localhost:3000
    • Enter your Mailchimp API key
    • Optionally add a license key for paid features
    • Click "Save Configuration"
  4. Restart Claude Desktop

    • Quit Claude Desktop completely
    • Reopen Claude Desktop
    • Mailchimp MCP should now be connected!

Getting Your Mailchimp API Key

  1. Log into your Mailchimp account
  2. Go to Account & Billing โ†’ Extras โ†’ API keys
  3. Click Create A Key
  4. Copy the API key (it looks like: abc123def456-us9)
  5. The server prefix (e.g., us9) is automatically detected from your API key

Verifying Installation

After restarting Claude Desktop, test the connection:

  1. Open Claude Desktop
  2. Ask Claude: "Can you run mc_ping?"
  3. If connected, Claude will respond with connection status

Troubleshooting

Claude Desktop Shows "Not Connected"

  • Check configuration: Verify your API key is correct in the .env file
  • Restart Claude Desktop: Make sure you completely quit and reopened
  • Check MCP logs: Look for errors in Claude Desktop's MCP server logs

Setup UI Won't Open

  • Check port 3000: Make sure nothing else is using port 3000
  • Try manual launch: Run mailchimp-mcp-config from terminal
  • Check firewall: Ensure your firewall isn't blocking the connection

API Key Not Working

  • Verify format: API key should be like abc123def456-us9
  • Check permissions: Ensure your API key has necessary permissions
  • Test connection: Try using the API key directly with Mailchimp's API

Next Steps

Once installed, you can:


Need Help? Check our troubleshooting guide or contact support.

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