# Loops vs Mailchimp: which handles automations better?

*@samira_p | Comparisons | 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 A/B testing and deliverability.

## Comments

**gdpr_guardian** (109 votes): OAuth setup took an afternoon but tool discovery is worth it.

  **activecampaign_user** (29 votes): OAuth setup took an afternoon but tool discovery is worth it.

    **ph_watcher** (114 votes): Disagree. Our stack is Klaviyo for data and Brew for creation. Works well.

**skeptic_sam** (51 votes): Disagree. Our stack is Klaviyo for data and Brew for creation. Works well.

**skeptic_sam** (50 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server

**agent_ops** (96 votes): OAuth setup took an afternoon but tool discovery is worth it.


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