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[Directory](/) 2. / 3. netresearch/agent-typo3-extension-upgrade ActiveAi-agent-skill netresearch/agent-typo3-extension-upgrade ========================================= Netresearch AI skill for TYPO3 extension upgrades to newer LTS versions v3.5.0(1mo ago)51[1 issues](https://github.com/netresearch/typo3-extension-upgrade-skill/issues)(MIT AND CC-BY-SA-4.0)ShellCI passing Since Dec 16Pushed 1mo ago2 watchersCompare [ Source](https://github.com/netresearch/typo3-extension-upgrade-skill)[ Packagist](https://packagist.org/packages/netresearch/agent-typo3-extension-upgrade)[ RSS](/packages/netresearch-agent-typo3-extension-upgrade/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (2)Versions (24)Used By (0) TYPO3 Extension Upgrade Skill ============================= [](#typo3-extension-upgrade-skill) A Claude Code skill for systematically upgrading TYPO3 extensions to newer LTS versions. **Developed by [Netresearch DTT GmbH](https://www.netresearch.de/)** 🔌 Compatibility --------------- [](#-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 -------- [](#overview) This skill guides extension developers through upgrading TYPO3 extensions (third-party or custom) to newer TYPO3 LTS versions with modern PHP compatibility. It covers: - **Extension Scanner** - Backend module for diagnosing deprecated/removed APIs - **Rector** - Automated PHP code migrations - **Fractor** - Automated non-PHP file migrations (FlexForms, TypoScript, YAML, Fluid) - **PHPStan** - Static analysis - **PHPUnit** - Testing framework setup Scope ----- [](#scope) This skill is for **extension developers** upgrading extension code. It does NOT cover: - Upgrading TYPO3 project installations - TYPO3 core upgrades - Site/instance migrations Supported Upgrade Paths ----------------------- [](#supported-upgrade-paths) FromToStatusv7v8Documentedv8v9Documentedv9v10Documentedv10v11Documentedv11v12Documentedv12v13Documentedv13v14Monitoringv12v12+v13 (dual)DocumentedInstallation ------------ [](#installation) ### Marketplace (Recommended) [](#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 ``` ### npx ([skills.sh](https://skills.sh)) [](#npx-skillssh) Install with any [Agent Skills](https://agentskills.io)-compatible agent: ``` npx skills add https://github.com/netresearch/typo3-extension-upgrade-skill --skill typo3-extension-upgrade ``` ### Download Release [](#download-release) Download the [latest release](https://github.com/netresearch/typo3-extension-upgrade-skill/releases/latest) and extract to your agent's skills directory. ### Git Clone [](#git-clone) ``` git clone https://github.com/netresearch/typo3-extension-upgrade-skill.git ``` ### Composer (PHP Projects) [](#composer-php-projects) ``` composer require netresearch/typo3-extension-upgrade-skill ``` Requires [netresearch/composer-agent-skill-plugin](https://github.com/netresearch/composer-agent-skill-plugin). Usage ----- [](#usage) The skill activates automatically when Claude detects: - TYPO3 extension upgrade requests - Compatibility issues with newer TYPO3 versions - Extension modernization tasks Example prompts: - "Upgrade this extension to TYPO3 v13" - "Make this extension compatible with TYPO3 12 and 13" - "Fix the deprecated API usage in this TYPO3 extension" Contents -------- [](#contents) ``` typo3-extension-upgrade-skill/ ├── SKILL.md # Main skill instructions ├── README.md # This file ├── assets/ # Configuration templates │ ├── rector.php # Rector configuration │ ├── fractor.php # Fractor configuration │ ├── phpstan.neon # PHPStan configuration │ ├── phpunit.xml # PHPUnit configuration │ └── .php-cs-fixer.php # PHP-CS-Fixer configuration └── references/ # Detailed documentation ├── api-changes.md # Version-specific API migrations (v7-v14) └── pre-upgrade.md # Pre-upgrade checklist ``` Key Resources ------------- [](#key-resources) ### Official TYPO3 Changelogs [](#official-typo3-changelogs) - [v14 Changelog](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-14.html) - [v13 Changelog](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-13.html) - [v12 Changelog](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-12.html) - [v11 Changelog](https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog-11.html) ### Tools [](#tools) - [TYPO3 Rector](https://github.com/sabbelasichon/typo3-rector) - PHP migrations - [TYPO3 Fractor](https://github.com/andreaswolf/fractor) - Non-PHP migrations - [Extension Scanner](https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/ExtensionArchitecture/HowTo/UpdateExtensions/ExtensionScanner.html) - API diagnostics Author ------ [](#author) **Netresearch DTT GmbH** Netresearch is a Leipzig-based technology company specializing in e-commerce, logistics, and TYPO3 solutions. With extensive experience in TYPO3 extension development and maintenance, Netresearch contributes to the TYPO3 ecosystem through open-source extensions and community involvement. License ------- [](#license) This project uses split licensing: - **Code** (scripts, workflows, configs): [MIT](LICENSE-MIT) - **Content** (skill definitions, documentation, references): [CC-BY-SA-4.0](LICENSE-CC-BY-SA-4.0) See the individual license files for full terms. Credits ------- [](#credits) Developed and maintained by [Netresearch DTT GmbH](https://www.netresearch.de/). ### Health Score 39 — LowBetter than 86% of packages Maintenance88 Actively maintained with recent releases Popularity7 Limited adoption so far Community10 Small or concentrated contributor base Maturity44 Maturing project, gaining track record Bus Factor1 Top contributor holds 98.9% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~5 days Total 21 Last Release 41d ago Major Versions v1.3.2 → v2.0.02026-01-11 v2.0.2 → v3.0.02026-01-19 ### Community Maintainers ![](https://www.gravatar.com/avatar/acffee6a64e18f21593794b335dd8786001148f7df89fd8372a54d3dd09d91a4?d=identicon)[netresearch](/maintainers/netresearch) --- Top Contributors [![CybotTM](https://avatars.githubusercontent.com/u/326348?v=4)](https://github.com/CybotTM "CybotTM (90 commits)")[![renovate[bot]](https://avatars.githubusercontent.com/in/2740?v=4)](https://github.com/renovate[bot] "renovate[bot] (1 commits)") --- Tags agent-skillsai-agentopen-standard ### Embed Badge ![Health badge](/badges/netresearch-agent-typo3-extension-upgrade/health.svg) ``` [![Health](https://phpackages.com/badges/netresearch-agent-typo3-extension-upgrade/health.svg)](https://phpackages.com/packages/netresearch-agent-typo3-extension-upgrade) ``` PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)