Software engineer

Dependency upgrade planner

Immediate result: An ordered upgrade plan with breaking changes that affect your code and a test checklist.

Problem it solvesMajor version upgrades break builds in ways the changelog doesn't make obvious.

Download SKILL.md
Add this skill to
ChatGPTClaudeGeminiPerplexity

You paste

React Router 6 → 7, package.json attached

You get

Affects you: json() and defer() are deprecated — return plain objects from loaders.

Step 1: upgrade to the latest 6.x and turn on the future flags; fix warnings.

Then: npm i react-router@7 and remove react-router-dom.

About this skill

About Dependency upgrade planner

Major version upgrades break builds in ways the changelog doesn't make obvious. This skill compares the versions you're moving between, lists only the breaking changes that affect the code you share, and orders the upgrade so peer dependencies move first. It shows the code changes needed, a test checklist for afterwards and a rollback plan. If you haven't pasted the release notes, it tells you which changes it is unsure about and where to check, rather than relying on memory of a library that may have changed since it was trained.

Dependency upgrade planner AI skill for Software engineer: you paste "React Router 6 → 7, package.json attached" and get "Affects you: `json()` and `defer()` are deprecated — return plain objects from loaders."
Dependency upgrade planner — example input and the first lines it returns. Works in ChatGPT, Claude and Gemini.
Job profile
Software engineering · Software engineer
Works in
ChatGPT, Claude, Gemini, Copilot, Claude Code
Format
Agent Skills (SKILL.md)
Price
Free, no sign-up
Install instructions

Copy, paste, send

  1. Cold email writerCopy skillCopied ✓1 Copy the skillPress Copy skill.
  2. ANY AI ASSISTANTSKILLPaste here, then press Enter2 Paste it into a new chatChatGPT, Claude, Gemini or Copilot.
  3. ANY AI ASSISTANT3 Send your inputSend the package and versions (from → to).
The skill — paste this into your AI assistant
# Skill: Dependency upgrade planner

You are running the "Dependency upgrade planner" skill for me. I work as: Software engineer. What I need from you: an ordered upgrade plan with breaking changes that affect my code and a test checklist.

## When I send you the package and versions (from → to), my package file and the release notes or changelog if I have them
1. List the breaking changes between the versions that apply to the code you shared.
2. Order the upgrade steps (peer dependencies first).
3. Show the code changes needed.
4. Give a test checklist for after the upgrade.

## Reply in this format
- Breaking changes that affect you
- Upgrade steps
- Code changes
- Test checklist
- Rollback

## Rules
- If no changelog is pasted, say which breaking changes you are unsure of and link where to check.
- Use only the facts I give you; mark anything you had to assume with [ASSUMPTION].
- If something essential is missing, ask me one short question, then continue.
- No preamble or filler: start with the result.

Confirm you're ready in one line, then wait for me to send the package and versions (from → to), my package file and the release notes or changelog if I have them.

Then sendThe package and versions (from → to), your package file and the release notes or changelog if you have them. For example: React Router 6 → 7, package.json attached

ChatGPT

  1. Fastest: paste the skill as your first message in a new chat, then send your input.
  2. To keep it: open a Project, choose Instructions (or Settings → Personalization → Custom instructions for every chat) and paste it there.
  3. To share it with a team: create a custom GPT and paste the skill into its Instructions.
  4. In the Codex app: copy the skill's folder into ~/.codex/skills/ (or Customize → Skills → Add → Create skill).

Claude

  1. Fastest: paste the skill as your first message in a new chat, then send your input.
  2. To keep it: create a Project, open Project instructions and paste the skill.
  3. As a Claude Skill: download the skill's ZIP, then in Claude open Settings → Skills → Add → Upload skill and choose the file.

Gemini

  1. Fastest: paste the skill as your first message in a new chat, then send your input.
  2. To keep it: open Gems → New Gem, paste the skill into Instructions and save.

Microsoft Copilot

  1. Fastest: paste the skill as your first message, then send your input.
  2. In Microsoft 365 Copilot, save it as a prompt or paste it into an agent's instructions to reuse it.

Any other assistant

  1. Paste the skill as the system prompt or first message in any chat assistant (Perplexity, Meta AI, DeepSeek, Mistral, local models).
  2. Coding agents that read the Agent Skills format (SKILL.md) can load the downloaded file from their skills folder.

Install it permanently

Upload it to Claude, add it to ChatGPT's Codex app, clone it into Claude Code, or download the SKILL.md for any agent. Full guide with screenshots →

Download the ZIP and upload it in Claude. Claude then uses the skill on its own whenever a request matches.

Download ZIP

Quick setup

  1. In Claude, open Settings → Skills (under Customize).
  2. Click Add → Upload skill.
  3. Choose the ZIP — don't unzip it — and make sure the skill is switched on.
Claude Settings with Skills selected under Customize, and the Add menu open showing Upload skill, Create a skill, Create with Claude and Record your screen

Repositoryscienceofapps.com/skills/ai-skills.git · all 200 skills, one folder each, plain git over HTTPS

What it does

The steps it follows

  1. List the breaking changes between the versions that apply to the code you shared.
  2. Order the upgrade steps (peer dependencies first).
  3. Show the code changes needed.
  4. Give a test checklist for after the upgrade.
What you get back

The reply format

  • Breaking changes that affect you
  • Upgrade steps
  • Code changes
  • Test checklist
  • Rollback

Rules it never breaks

  • If no changelog is pasted, say which breaking changes you are unsure of and link where to check.
  • Uses only the facts you give it and marks assumptions.
FAQs

Questions about Dependency upgrade planner

What does the Dependency upgrade planner skill do?

Major version upgrades break builds in ways the changelog doesn't make obvious. The skill fixes that: an ordered upgrade plan with breaking changes that affect your code and a test checklist.

How do I install Dependency upgrade planner in ChatGPT, Claude or Gemini?

Copy the skill and paste it as the first message of a new chat, then send your input. To keep it, paste it into a ChatGPT Project or custom GPT, a Claude Project or a Gemini Gem, or upload the SKILL.md file as a Claude Skill.

What do I send Dependency upgrade planner after installing it?

Send the package and versions (from → to), your package file and the release notes or changelog if you have them. If something essential is missing, the skill asks you one short question and then continues.

Is the Dependency upgrade planner skill free?

Yes. It's free to copy, use and adapt, with no sign-up, and works in the free versions of ChatGPT, Claude, Gemini and Copilot.

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