Skill

next-upgrade

Upgrades Next.js projects to latest version using official codemods, migration guides, incremental paths for major jumps, dependency updates, TypeScript types, and build tests.

Next.js

React

Typescript

frontend

Install

npx claudepluginhub joshuarweaver/cascade-code-languages-misc-1 --plugin vercel-labs-next-skills

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Upgrade the current project to the latest Next.js version following official migration guides.

SKILL.md

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Stars838

Forks59

Last CommitFeb 5, 2026

Used By3 plugins

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Upgrade Next.js

Upgrade the current project to the latest Next.js version following official migration guides.

Instructions

Detect current version: Read package.json to identify the current Next.js version and related dependencies (React, React DOM, etc.)

Fetch the latest upgrade guide: Use WebFetch to get the official upgrade documentation:

Codemods: https://nextjs.org/docs/app/guides/upgrading/codemods
Version-specific guides (adjust version as needed):

Determine upgrade path: Based on current version, identify which migration steps apply. For major version jumps, upgrade incrementally (e.g., 13 → 14 → 15).

Run codemods first: Next.js provides codemods to automate breaking changes:

npx @next/codemod@latest <transform> <path>

Common transforms:

next-async-request-api - Updates async Request APIs (v15)
next-request-geo-ip - Migrates geo/ip properties (v15)
next-dynamic-access-named-export - Transforms dynamic imports (v15)

Update dependencies: Upgrade Next.js and peer dependencies together:

npm install next@latest react@latest react-dom@latest

Review breaking changes: Check the upgrade guide for manual changes needed:

API changes (e.g., async params in v15)
Configuration changes in next.config.js
Deprecated features being removed

Update TypeScript types (if applicable):

npm install @types/react@latest @types/react-dom@latest

Test the upgrade:

Run npm run build to check for build errors
Run npm run dev and test key functionality

Upgrade Next.js

Upgrade the current project to the latest Next.js version following official migration guides.

Instructions

Detect current version: Read package.json to identify the current Next.js version and related dependencies (React, React DOM, etc.)
Fetch the latest upgrade guide: Use WebFetch to get the official upgrade documentation:
- Codemods: https://nextjs.org/docs/app/guides/upgrading/codemods
- Version-specific guides (adjust version as needed):
Determine upgrade path: Based on current version, identify which migration steps apply. For major version jumps, upgrade incrementally (e.g., 13 → 14 → 15).
Run codemods first: Next.js provides codemods to automate breaking changes:
```
npx @next/codemod@latest <transform> <path>
```
Common transforms:
- next-async-request-api - Updates async Request APIs (v15)
- next-request-geo-ip - Migrates geo/ip properties (v15)
- next-dynamic-access-named-export - Transforms dynamic imports (v15)
Update dependencies: Upgrade Next.js and peer dependencies together:
```
npm install next@latest react@latest react-dom@latest
```
Review breaking changes: Check the upgrade guide for manual changes needed:
- API changes (e.g., async params in v15)
- Configuration changes in next.config.js
- Deprecated features being removed

Update TypeScript types (if applicable):

npm install @types/react@latest @types/react-dom@latest

Test the upgrade:
- Run npm run build to check for build errors
- Run npm run dev and test key functionality