# B2B nurture at scale with agents

*@copy_test_a | Deliverability | 1 year ago*

Genuine question for the forum. Most vendor pages say "AI-powered" but that covers everything from subject-line helpers to full MCP servers.

Specifically interested in deliverability tools and segmentation.

## Comments

**klaviyo_mcp_user** (41 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.

  **mcp_skeptic** (84 votes): Customer.io is strong on journeys but you own the behavioral schema.

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

**customerio_fan** (86 votes): Customer.io is strong on journeys but you own the behavioral schema.

**marco_v** (93 votes): Not paid, just sharing what worked for our team on a similar list size.


---

[View on Email Agora](https://emailagora.co/posts/b2b-nurture-at-scale-with-agents-41)