---
title: "typo3-upgrade-effort-model"
description: "Generic TYPO3 LTS upgrade effort model: per-version risk multipliers (v14: Fluid 5 strict VHs, HashService removal, TSFE removal, asset-pipeline removal), breaking-change baselines, version-compatibility matrix, Rector c"
canonical: https://agentpluginsdirectory.com/plugins/typo3-upgrade-effort-model
last-updated: 2026-09-22
---

# typo3-upgrade-effort-model
Generic TYPO3 LTS upgrade effort model: per-version risk multipliers (v14: Fluid 5 strict VHs, HashService removal, TSFE removal, asset-pipeline removal), breaking-change baselines, version-compatibility matrix, Rector coverage adjustments, and a 7-phase assessment workflow. Calibration-free: pair with your own historical project data for tuned estimates.
- Slug: typo3-upgrade-effort-model
- Publisher: Netresearch DTT GmbH
- Repository: https://github.com/netresearch/typo3-upgrade-effort-model-skill
- Manifest: plugin.json
- Version: 1.4.1
- License: (MIT AND CC-BY-SA-4.0)
- Category (editorial): code-review
- Skills: 1 (typo3-upgrade-effort-model)
- MCP servers: 0
- Stars: 1
- Repository created: 2026-04-29
- Repository last pushed: 2026-09-21
- Publisher type: Organization
- Listing: https://agentpluginsdirectory.com/plugins/typo3-upgrade-effort-model
- Schema: https://agent-plugins.org/schemas/1.0.0/plugin.schema.json

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

Generic effort model for TYPO3 LTS major version upgrades. Provides per-version risk multipliers, breaking-change baselines, version-compatibility matrix, Rector coverage adjustments, and a 7-phase assessment workflow. Calibration-free: pair with your team's historical project data for tuned estimates.

Agent Skill following the open standard. Works with Claude Code, Cursor, GitHub Copilot, and any skills-compatible AI agent.

- v14 risk-multiplier table (Fluid 5 strict VHs, HashService removal, TSFE removal, asset-pipeline removal, magic finders, EXT:form hooks, …)
- per-extension baselines for v10→v14 paths
- TYPO3 ↔ PHP version-compatibility matrix
- generic extension classification (core / public-active / public-stale / customer-custom / heavily-customised)
- 7-phase assessment workflow with command-level detail
- Rector coverage discount per target version

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

## Skills

- typo3-upgrade-effort-model: Use when estimating effort for TYPO3 LTS major version upgrades (current target: v14.3 LTS, released 2026-04-21). Provides risk multipliers for v14 breaking changes (fact catalog owned by typo3-conformance's v14-deprecations.md), per-extension baselines, version-compatibility matrix, Rector coverag…

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