# Template libraries vs generated HTML

*@stack_migrator | Automation | 2 years ago*

Deliverability question before we let an agent trigger more sends. What guardrails do you enforce?

Specifically interested in segmentation and pricing.

## Comments

**agent_guardrails** (58 votes): We tried this last quarter. Read-only MCP first made the difference.

  **mei_c** (115 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **devon_r** (70 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.


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