# News: Customerio shipped deliverability tools this week

*@fatima_h | Agentic Email | 2 years ago*

Sharing a pattern we landed on after a messy migration. Creation layer separate from sending record. Curious who else runs this split.

Specifically interested in deliverability tools and creation speed.

## Comments

**ai_skeptic_2024** (57 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.

  **resend_reviewer** (78 votes): We tried this last quarter. Read-only MCP first made the difference.

**priya_deliver** (10 votes): OAuth setup took an afternoon but tool discovery is worth it.

**zara_f** (86 votes): We tried this last quarter. Read-only MCP first made the difference.

  **braze_bigco** (120 votes): We tried this last quarter. Read-only MCP first made the difference.


---

[View on Email Agora](https://emailagora.co/posts/news-customerio-shipped-deliverability-tools-this-week-156)