Klaviyo MCP Server

Get your Klaviyo email and SMS data inside Claude. Check open rates, click-throughs, flow performance, and segment breakdowns. It's read-only, so nothing gets changed in your account.

Pricing: free — The server is free. You need a Klaviyo account — their free plan covers up to 500 contacts.

View on GitHub

klaviyo-mcp-server

Website

Features

See opens, clicks, and revenue numbers for every campaign
Check how your welcome series, abandoned cart, and post-purchase flows are doing
Break down performance by segment
Browse profile and list data
Read-only — it can't modify anything in your Klaviyo account
Works on every Klaviyo plan, including free

Setup Instructions

1. Create a private API key in your Klaviyo account settings 2. Add this to your Claude MCP settings: ``

json
{
  "mcpServers": {
    "klaviyo": {
      "command": "npx",
      "args": ["-y", "klaviyo-mcp-server"],
      "env": {
        "KLAVIYO_API_KEY": "your_api_key"
      }
    }
  }
}

`` 3. Restart Claude. Ask it about any campaign, flow, or segment in your account

Added: 2026-03-08