# Ask: deliverability dip after enabling segmentation

*@mcp_maxxer | API & Developer Experience | 2 years ago*

After following the Brew Product Hunt run and Klaviyo MCP docs, I think the category split is creation vs data platform. Change my mind.

Specifically interested in automations and creation speed.

## Comments

**nadia_k** (103 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

  **pref_center_paul** (13 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server

**integration_irene** (38 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **html_purist** (57 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.


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