Create and maintain TYPO3 extension documentation following official docs.typo3.org standards. Use when creating/editing Documentation/*.rst files or README.md, using TYPO3 directives (confval,...

Agent Skill: TYPO3 extension testing (unit, functional, E2E, architecture, mutation). This skill should be used when setting up test infrastructure, writing tests, configuring PHPUnit, testing...

Agent Skill: DDEV setup for TYPO3 extension development. Use when setting up local dev environment or multi-version testing (11.5/12.4/13.4/14.0). By Netresearch.

Agent Skill: TYPO3 Core contribution workflow. Use when working with Forge issues, submitting patches to Gerrit, or contributing docs. By Netresearch.

Create and maintain TYPO3 extension documentation following official docs.typo3.org standards. RST syntax, TYPO3 directives, rendering, and deployment.

TYPO3 upgrade patterns using Rector, including automated refactoring rules and dual-version compatibility strategies for v13/v14.

Security hardening checklist and best practices for TYPO3 v13/v14 installations, covering configuration, file permissions, and common vulnerabilities.

Evaluate TYPO3 extensions for conformance to v13/v14 standards. Use when assessing quality, generating reports, or planning modernization.

Best practices for TYPO3 local development with DDEV, including configuration, database management, multi-version testing, and common workflows for v13/v14.

Comprehensive guide for writing TYPO3 code compatible with both v13 and v14, with preference for v14. Covers version constraints, compatible patterns, and migration strategies.

SEO configuration and best practices for TYPO3 v13/v14, including EXT:seo setup, sitemaps, meta tags, and structured data.

Agent Skill: CKEditor 5 development for TYPO3 v12+. Use when developing custom plugins, configuring RTE presets, or migrating from CKEditor 4. By Netresearch.

Expert guidance on manipulating TYPO3 records via the DataHandler, ensuring transactional safety, PSR-14 event handling, and reference index integrity.

TYPO3 extension testing (unit, functional, E2E, architecture, mutation). Use when setting up test infrastructure, writing tests, or configuring CI/CD.

TYPO3 Core contribution workflow. Use when working with Forge issues, submitting patches to Gerrit, or contributing docs.

Systematic TYPO3 extension upgrades to newer LTS versions. Covers Extension Scanner, Rector, Fractor, PHPStan, and testing.

Expert guidance on creating Content Elements, Record Types, Page Types, and File Types using TYPO3 Content Blocks extension - the single source of truth for content modeling.

GitHub repository setup and configuration. This skill should be used when creating new GitHub repositories, configuring branch protection or rulesets, setting up CODEOWNERS, or troubleshooting PR...

Fetch up-to-date library documentation via Context7 REST API. Use when needing current API docs, framework patterns, or code examples for any library.

Security audit patterns for PHP/OWASP. Use when conducting security assessments, identifying vulnerabilities (XXE, SQL injection, XSS), or CVSS scoring.