Can ChatGPT connect to Klaviyo?
Updated October 18, 2026 · from live checks of 45,201 MCP servers · Methodology
Yes.Klaviyo runs an official remote MCP server on its own domain (mcp.klaviyo.com) that works with ChatGPT as a custom connector after you sign in. Checked live on 2026-10-18.
Remote Klaviyo servers (ChatGPT-ready)
| Server | Publisher | Status | Sign-in | Tools | Trust |
|---|---|---|---|---|---|
| Klaviyo | Community | Live | No auth | — | B |
| Ask AI | Verified domain | Live | No auth | 66 | B |
| Polar Analytics | Verified domain | Live · sign-in | API key | — | C |
How to connect Klaviyo to ChatGPT
- In ChatGPT, turn on developer mode (Settings → Apps / Connectors → Advanced; on Business, Enterprise and Edu an admin enables it first).
- Add a custom MCP server and paste the server URL from the server page.
- Sign in when asked, then mention the app with @ in a chat.
Full read and write tools are available on Business, Enterprise and Edu. Pro users can connect MCP servers with read/fetch permissions only. ChatGPT supports remote servers (Streamable HTTP or SSE) and doesn't run local servers.
Is it safe to connect Klaviyo to ChatGPT?
Check the publisher and trust grade first. Official servers are published by Klaviyo itself; community servers come from third parties and can see whatever your account can. Every server page shows its live status, sign-in type and tool list.
Can Claude connect to Klaviyo?
See https://canmyaiuse.pages.dev/can/claude/klaviyo/
Does Klaviyo have an official MCP server?
Not in the official MCP Registry as of 2026-10-18. Full list: https://canmyaiuse.pages.dev/apps/klaviyo/