# Integration catalogue gaps that hurt agents

*@mailchimp_refugee | News | 10 months 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 automations and on-brand output.

## Comments

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

  **sendgrid_legacy** (38 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **ph_watcher** (5 votes): OAuth setup took an afternoon but tool discovery is worth it.

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

**stack_migrator** (103 votes): Have you capped daily sends? We hit a loop once and reputation dipped.


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