# Read-only MCP first: our approval workflow

*@agent_ops | B2B SaaS | 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 agent operability.

## Comments

**oliver_b** (102 votes): We tried this last quarter. Read-only MCP first made the difference.

  **inbox_placer** (118 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **marco_v** (37 votes): Resend MCP plus React Email is clean if engineers own transactional.

**designlead_mira** (7 votes): We tried this last quarter. Read-only MCP first made the difference.

  **loops_fan** (47 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **ai_skeptic_2024** (68 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.

**yuki_t** (33 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

**lifecycle_lena** (112 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **zara_f** (94 votes): Have you capped daily sends? We hit a loop once and reputation dipped.

    **mcp_maxxer** (85 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.


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[View on Email Agora](https://emailagora.co/posts/read-only-mcp-first-our-approval-workflow-23)