---
title: "typo3-extension-upgrade"
description: "Systematic TYPO3 extension upgrades with planning agents and commands"
canonical: https://agentpluginsdirectory.com/plugins/typo3-extension-upgrade
last-updated: 2026-09-22
---

# typo3-extension-upgrade
Systematic TYPO3 extension upgrades with planning agents and commands
- Slug: typo3-extension-upgrade
- Publisher: Netresearch DTT GmbH
- Repository: https://github.com/netresearch/typo3-extension-upgrade-skill
- Manifest: plugin.json
- Version: 3.13.0
- License: (MIT AND CC-BY-SA-4.0)
- Category (editorial): code-review
- Skills: 1 (typo3-extension-upgrade)
- MCP servers: 0
- Stars: 10
- Repository created: 2025-12-06
- Repository last pushed: 2026-09-20
- Publisher type: Organization
- Listing: https://agentpluginsdirectory.com/plugins/typo3-extension-upgrade
- Schema: https://agent-plugins.org/schemas/1.0.0/plugin.schema.json

## What typo3-extension-upgrade does, in the publisher's words

A Claude Code skill for systematically upgrading TYPO3 extensions to newer LTS versions.

Developed by Netresearch DTT GmbH

This is an Agent Skill following the open standard originally developed by Anthropic and released for cross-platform use.

- ✅ Claude Code (Anthropic)
- ✅ Cursor
- ✅ GitHub Copilot
- ✅ Other skills-compatible AI agents
- Extension Scanner: Backend module for diagnosing deprecated/removed APIs
- Rector: Automated PHP code migrations

From the project README, punctuation lightly normalized. Full text: https://raw.githubusercontent.com/netresearch/typo3-extension-upgrade-skill/HEAD/README.md

## Skills

- typo3-extension-upgrade: Use when an extension has to work with a newer or the current TYPO3 LTS, when a version bump breaks compatibility or leaves deprecated APIs behind, when upgrading v11->v12, v12->v13 or v13->v14 (v14.3 LTS is the current target), when one codebase must stay compatible with two versions, when running…

Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.