TYPO3 Extension Upgrade

Install

Choose a supported route below. Package contents, agent registration and runtime dependencies can differ between installers.

1. Claude Code via this marketplace

   /plugin install typo3-extension-upgrade@netresearch-claude-code-marketplace

   First add the marketplace once in Claude Code: /plugin marketplace add netresearch/claude-code-marketplace. Then install the selected plugin. For setup and installation scopes, see Claude Code plugin setup A plugin can include several skills and additional components.

2. npx interactive skill selection

   npx skills add https://github.com/netresearch/typo3-extension-upgrade-skill

   Requires Node.js 22.20+. Run from the target project, then choose the source skills and agents in the installer. Uses the skills CLI from skills.sh Installs skill instructions. Extra plugin hooks, commands and external runtime tools are not installed by this route.

3. composer require PHP project, as a package

   composer require netresearch/typo3-extension-upgrade-skill

   Allow the Composer skill installer to activate and approve skill registration when prompted. Requires netresearch/composer-agent-skill-plugin Discovers trusted skill packages and registers their instructions in AGENTS.md. Runtime tools may need separate setup.

4. composer skills:add PHP project, direct source

   composer skills:add netresearch/typo3-extension-upgrade-skill

   Install and activate netresearch/composer-agent-skill-plugin first; approve the selected source's skill registration. Provided by netresearch/composer-agent-skill-plugin Pins source repositories without a Packagist package and records them in composer.skills.lock. Runtime dependencies remain separate.