# Enterprise procurement for AI ESPs

*@lifecycle_lena | Ecommerce | 1 year 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 webhooks and API quality.

## Comments

**agentbuilder_jo** (56 votes): We tried this last quarter. Read-only MCP first made the difference.

  **beehiiv_user** (29 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **esp_migrator** (122 votes): Resend MCP plus React Email is clean if engineers own transactional.

**newsletter_ned** (81 votes): Resend MCP plus React Email is clean if engineers own transactional.

**lifecycle_lena** (75 votes): Not paid, just sharing what worked for our team on a similar list size.

**skeptic_sam** (26 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

  **mcp_skeptic** (37 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server


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