TYPO3 Core Contributions Skill — Development skill for Claude Code

TYPO3 Core Contributions Skill

An AI skill for guiding contributions to TYPO3 Core through systematic workflows, automated quality checks, and best practices enforcement.

🔌 Compatibility

This is an **Agent Skill** following the [open standard](https://agentskills.io) originally developed by Anthropic and released for cross-platform use.

**Supported Platforms:**

• ✅ Claude Code (Anthropic)
• ✅ Cursor
• ✅ GitHub Copilot
• ✅ Other skills-compatible AI agents

Skills are portable packages of procedural knowledge that work across any AI agent supporting the Agent Skills specification.

Overview

This skill provides comprehensive guidance for contributing to TYPO3 Core, including:

• Gerrit-based code review workflow
• Automated CI/CD debugging
• Commit message formatting
• WIP (Work in Progress) state management
• Testing and quality assurance
• Account setup and prerequisites

Features

🔄 Complete Contribution Workflow

• Step-by-step guidance from setup to patch submission
• Automated detection of common issues
• Best practices enforcement at every stage

🤖 CI/CD Integration

• Systematic debugging of failed GitLab CI jobs
• Pattern recognition for common failures
• Automated fix suggestions

✅ Quality Gates

• Pre-submission validation
• Code style enforcement (CGL)
• PHPStan static analysis
• Comprehensive test coverage

📝 Documentation

• Gerrit workflow reference
• Commit message format guidelines
• Troubleshooting guide with 60+ scenarios
• WIP state management

Quick Start

Prerequisites

Ensure you have:

• Git configured with your TYPO3.org email
• SSH key uploaded to review.typo3.org
• Docker (for DDEV) or native PHP 8.2+ environment

Installation

Marketplace (Recommended)

Add the [Netresearch marketplace](https://github.com/netresearch/claude-code-marketplace) once, then browse and install skills:

# Claude Code
/plugin marketplace add netresearch/claude-code-marketplace

...