Development

TYPO3 CKEditor 5

CKEditor 5 development patterns for TYPO3 v12+. Covers custom plugin development, schema and conversion system, TYPO3 YAML configuration, and CKEditor 4 to 5 migration guides. By Netresearch.

Latest release v1.7.0

Install

Pick whichever fits your project — they all reach the same skill.

  1. Claude Code via this marketplace
    /plugin install typo3-ckeditor5@netresearch-claude-code-marketplace
  2. npx any Agent Skills CLI
    npx skills add https://github.com/netresearch/typo3-ckeditor5-skill --skill typo3-ckeditor5

    Universal Agent Skills CLI from skills.sh — works across Claude Code, Cursor, GitHub Copilot, Codex, Gemini CLI and 30+ more agents.

  3. composer require PHP project, as a package
    composer require netresearch/typo3-ckeditor5-skill

    Requires netresearch/composer-agent-skill-plugin — resolves Agent Skills as Composer dependencies in PHP projects, auto-discovers skills, generates AGENTS.md.

  4. composer skills:add PHP project, direct source
    composer skills:add github:netresearch/typo3-ckeditor5-skill

    Provided by netresearch/composer-agent-skill-plugin — pins skill repos directly without going through Packagist, locks them in composer.skills.lock.

What you can do with it

  • CKEditor 5 Architecture: Plugin system, schema and conversion system, command pattern implementation, UI component development
  • TYPO3 Integration: RTE configuration (YAML), custom plugin registration, content element integration, backend module integration
  • Migration Patterns: CKEditor 4 to 5 migration, custom plugin conversion, configuration transformation, data migration strategies
  • Plugin Development: Complete patterns for creating custom CKEditor 5 plugins with schema definitions, converters, and commands
  • Configuration Management: YAML-based RTE presets with toolbar, heading, table, and link configurations
  • ES6 Module Development: Modern JavaScript patterns for CKEditor 5 plugin architecture

What it expects in your project

Tags

  • development
  • typo3