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typo3-upgrade-migration

typo3-upgrade-migration is a skill for Claude Code, Codex from dirnbauer/typo3-skills. It costs 139 tokens per session (2,258 once invoked), scanned A, original, no licence file.

A migration tool for upgrading a TYPO3 website from versions 12 or 13 to version 14.3, one approved migration step at a time.

In plain words
What is it for?
Use it after the required baseline is sealed to perform an approved Composer, code, schema, data, API, or content-type migration step.
Why use it?
It keeps dependency, code, database-schema, and data changes tied to an authorized upgrade plan instead of applying unrelated changes.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 7repo +1 changed 5d ago A scan 139 tokens custom licence

Good fit Use it after the required baseline is sealed to perform an approved Composer, code, schema, data, API, or content-type migration step.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/dirnbauer/typo3-skills/typo3-upgrade-migration
View source ↗ dirnbauer/typo3-skills
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add dirnbauer/typo3-skills --skill typo3-upgrade-migration
Clone the repo
git clone --depth 1 https://github.com/dirnbauer/typo3-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for typo3-upgrade-migration

README.md
[![agentmods](https://agentmods.dev/badge/skills/dirnbauer/typo3-skills/typo3-upgrade-migration/github.svg)](https://agentmods.dev/skills/dirnbauer/typo3-skills/typo3-upgrade-migration)
Your own site
<a href="https://agentmods.dev/skills/dirnbauer/typo3-skills/typo3-upgrade-migration"><img src="https://agentmods.dev/badge/skills/dirnbauer/typo3-skills/typo3-upgrade-migration/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for typo3-upgrade-migration

Your own site · 80×15
<a href="https://agentmods.dev/skills/dirnbauer/typo3-skills/typo3-upgrade-migration"><img src="https://agentmods.dev/badge/skills/dirnbauer/typo3-skills/typo3-upgrade-migration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 139 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,258 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00139 $0.02258
Opus 5.5 $0.00056 $0.00903
Sonnet 5.5 $0.00028 $0.00452
Haiku 4.5 $0.00014 $0.00226

Measured 5d ago against content hash feae7f71f4c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

typo3-upgrade-migration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/typo3-upgrade-migration/SKILL.md · 136 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago Changed · +1 tokens per session feae7f71f4c5
  2. 15d ago Changed · +5 lines 6a07719e9eb3
  3. 24d ago Changed · +1 lines 9966a04eed3b
  4. 28d ago Changed b4255d114814
  5. 29d ago Changed 33935dd18689
  6. 1mo ago Changed · +7 lines 1011b60d8429
  7. 1mo ago Changed · +2 lines aed9651e2585
  8. 1mo ago Changed · +3 lines 7dd4297f0c56
  9. 1mo ago Changed · +5 lines 0a44c702862e
  10. 1mo ago First seen · 113 lines · 138 tokens per session scan A 532d3445e612

Subscribe to this mod's changes

typo3-upgrade-migration is a skill published in the GitHub repository dirnbauer/typo3-skills (7 stars, last pushed yesterday), with no licence file. It adds 139 tokens to every session and 2,258 once invoked, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

typo3-upgrade-migration compared with skills from other repositories

typo3-upgrade-migration next to 6 skills from other repositories
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typo3-upgrade-migrationdirnbauer/typo3-skillsSkill7yesterdaynoneA139Claude Code, Codex
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playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143ktodayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143ktodayMITA103Claude Code