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Klaviyo MCP

io.scalably/klaviyo-mcp ยท v1.0.0

Klaviyo MCP: campaigns, flows, segments, metrics, reports, profiles across many accounts. 24 tools.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add klaviyo-mcp -e KLAVIYO_KEY_MAIN=<KLAVIYO_KEY_MAIN> -e KLAVIYO_API_BASE=<KLAVIYO_API_BASE> -e KLAVIYO_RETRY_BASE_MS=<KLAVIYO_RETRY_BASE_MS> -- npx -y @scalably-io/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "klaviyo-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@scalably-io/[email protected]"
      ],
      "env": {
        "KLAVIYO_KEY_MAIN": "<KLAVIYO_KEY_MAIN>",
        "KLAVIYO_API_BASE": "<KLAVIYO_API_BASE>",
        "KLAVIYO_RETRY_BASE_MS": "<KLAVIYO_RETRY_BASE_MS>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "klaviyo-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@scalably-io/[email protected]"
      ],
      "env": {
        "KLAVIYO_KEY_MAIN": "<KLAVIYO_KEY_MAIN>",
        "KLAVIYO_API_BASE": "<KLAVIYO_API_BASE>",
        "KLAVIYO_RETRY_BASE_MS": "<KLAVIYO_RETRY_BASE_MS>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "klaviyo-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@scalably-io/[email protected]"
      ],
      "env": {
        "KLAVIYO_KEY_MAIN": "<KLAVIYO_KEY_MAIN>",
        "KLAVIYO_API_BASE": "<KLAVIYO_API_BASE>",
        "KLAVIYO_RETRY_BASE_MS": "<KLAVIYO_RETRY_BASE_MS>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
KLAVIYO_KEY_MAIN
Required, secret		Private API key for your main Klaviyo account. Add more accounts with extra KLAVIYO_KEY_<name> variables.
KLAVIYO_API_BASE
Optional		Klaviyo API base URL, default https://a.klaviyo.com/api
KLAVIYO_RETRY_BASE_MS
Optional		Base delay in milliseconds for the retry backoff, default 1000

Details

Package@scalably-io/[email protected] (NPM, stdio)
Packagehttps://github.com/scalably-io/klaviyo-mcp/releases/download/v1.0.0/klaviyo-mcp.mcpb (MCPB, stdio)
First published9 Sep 2026
Last updated9 Sep 2026
Registry nameio.scalably/klaviyo-mcp

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