At TYPO3camp Berlin 2026 I talked about how I run coding agents in parallel across nine repositories with herdr. It is one way of doing it, not the way, and most of what made it work were a few fairly boring rules.
I built the same website — same content, same editorial tasks — in five different content management systems (TYPO3, Strapi, Pimcore, Storyblok, Payload) and gave a talk about it at TYPO3 Developer Days 2026. Slides and live demos are public; here is the writeup.