Frontier Brief

For marketing's builders.

Trying to keep up with everything happening across the AI space is impossible. That's why we created the Frontier Brief. It's a short, easy-to-read email newsletter that highlights recent developments in the AI space. We try to make sure that every word of every edition is relevant to folks building inside of marketing teams.

October 1, 2026

Frontier Briefing — Daily

CrewAI 1.15.23 lets your agent pipelines be scored in production and survive rate limits — tracing-based evaluation scores each run, and throttled model calls now retry automatically. If agents carry campaign work, upgrade in staging first.

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Frontier Brief · Build Mode · Resources

editions published
32
resources cataloged
25
delivery
Tue/Thu/Sun mornings

Inside an edition

The sections, from the latest send

Marketing ops angle

Two pieces of coverage point at the same missing piece: structured AI outputs aren't wired into marketing systems.

Shipped this week

Agent frameworks shipped reliability and observability upgrades — production pipelines get scoring, retries, and fewer broken integrations.

Worth building with

A proposal argues agents should verify where a fact came from, not just whether it's true.

The platform

What you'll find here

The public home for marketing's builders, in what exists today: a brief, a Slack, and a kit of tools.

Frontier Brief

Three mornings a week, Tue/Thu/Sun. What shipped in AI and martech, why it matters, and what to try Monday.

Community

Build Mode is a Slack workspace for marketing builders to ask questions, share ideas, and push each other.

Resources

MCP servers, agent skills, personas, and the playbooks to run them. Free or open source when the ecosystem allows.

About

This site is for folks building inside of marketing teams. Nobody in that seat can follow all of AI. We collect what is actually useful.

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What shipped, what matters, and what to try Monday. Written for marketing engineers.

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