2 instruction files for AI agents, collected from netresearch/typo3-extension-upgrade-skill. Install any of them at an exact version with mdr add netresearch/typo3-extension-upgrade-skill/<name>.
netresearch/typo3-extension-upgrade-skill · skills/typo3-extension-upgrade/SKILL.md · Use when an extension has to work with a newer or the current TYPO3 LTS, when a version bump breaks compatibility or…