# prompt-built automations: Customer.io and ActiveCampaign field notes
Canonical: https://marketinginbox.dev/ja/posts/gen-3-prompt-built-customer-io

We ran a working session on prompt-built automations using Customer.io and ActiveCampaign. The goal was a realistic w...

What surprised us: agent-operable APIs mattered as much as the editor UI. For MCP-connected workflows, Brew stood out...