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Server addresshttps://mcp.klaviyo.com/mcp
- What it can do
- Not checked, because the server needs sign-in before it lists its actions.
- Sign-in
- Required. You sign in with your own account when you connect, using OAuth.
- Cost
- Not verified. What you can do through it may depend on your Klaviyo plan, so check that your plan includes MCP or API access.
- How we know it's official
- Answered MCP on mcp.klaviyo.com, the vendor's own domain. Checked 2026-11-12.
Claude
Go to Customize › Connectors, select + Add, then Add custom connector. Enter a name, paste the server address and select Continue. When asked, choose to sign in and log in to your Klaviyo account. Turn it on in a chat from the + menu under Connectors. Free plans can add one custom connector; on Team and Enterprise an owner adds it for the organisation.
Claude help ↗ChatGPT
Custom MCP servers are available on ChatGPT Business, Enterprise and Edu, on the web. An admin or owner, or an authorised member on Enterprise and Edu, goes to Plugins, selects + then Add custom MCP server, pastes the server address, sets up authentication and accepts the risk notice.
OpenAI help ↗Other assistants and editors
Add a remote MCP server using this address. Clients that support Streamable HTTP, the current MCP transport, accept it directly. Menu names vary by client.