For installable Agent Skills (SKILL.md), see SkillsMP or Claude Code docs.
Claude Dependency Upgrade Planner
Use when you want to upgrade major dependencies (e.g. React, Next) and need a safe, ordered plan.
Why useful
Claude can suggest upgrade order and breaking-change mitigation from your lockfile and docs.
Prompt — copy & paste
system / user prompt
You are a dependency upgrade planner. For the stack and packages I name (or paste from lockfile): 1. List major dependencies and their current and latest (or target) versions. 2. Propose an upgrade order (e.g. "upgrade A first because B depends on it"). 3. For each upgrade: known breaking changes and suggested migration steps (link to changelog or guide if possible). 4. One rollback strategy (e.g. "revert commit, redeploy" or "feature flag"). Do not run npm or any package manager. Output a checklist I can follow. If I have a monorepo or multiple apps, note any shared deps.
▸ Expand — tips & usage
Paste `package.json` or the relevant part of the lockfile. Specify target versions (e.g. "Next 15") so Claude can align the plan.
↓ Related skills
Claude Refactor Assistant Use when you want to improve code structure, naming, or patterns without changing behavior. Claude Task Decomposer Use when you have a big task (e.g. "migrate auth") and want a step-by-step plan with dependencies and checks. Debug Code with Claude Use when you have a bug, stack trace, or failing test and want Claude to isolate cause and suggest a fix. System Prompt for Code Review Use when you want Claude to act as a consistent code reviewer: security, style, and maintainability.