Attentive shipped Brand Voice 2.0 inside Brand Kit on June 30, splitting brand guidance into Identity, Personality, and Rules layers that govern AI Pro, AI Journeys, and AI Campaigns across SMS, email, and RCS, with real-time preview and approval workflows. As message automation goes agentic, the guardrail layer is where brand damage gets prevented. Here is how to set it up and how it compares to Klaviyo's Agent Guidance.
All three tools updated heavily in May-June 2026: Klaviyo launched Composer and Customer Agent, Mailchimp shipped Analytics AI and WooCommerce/Wix integration, Attentive released Brand Voice 2.0 and Reporting Agent. Comparison matrix from a DTC cross-border perspective with recommendations by brand GMV size.
At Thread 2026 on May 26, Attentive revealed that nearly half its customers are already running AI agents. Before BFCM, Brand Voice 2.0, AI Email Template Generation, RCS Visibility AI, and AI Grow 2.0 are all shipping. Here is what each one does and how to prepare.
RCS gives standard SMS branded senders, interactive buttons, and product carousels. With 2 billion users projected by end of 2026 and brands reporting up to 22% conversion lift, the upgrade path from SMS is clear. Here is how to implement RCS on Klaviyo, Attentive, and Postscript.
A US DTC CRM manager take on Postscript Shopper, Attentive AI Pro, and Klaviyo SMS AI in 2026, with a decision matrix, pricing breakdown, and Yotpo SMS migration notes.