next-upgrade

Upgrade Next.js to the latest version following official migration guides and codemods

1.25x

Quality

53%

Does it follow best practices?

Impact

93%

1.25x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

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Evaluation results

92%

Upgrade Planning for Legacy Next.js Application

Incremental upgrade path and codemod usage

Criteria

Without context

With context

Reads package.json

100%

Incremental path

100%

Codemods before deps

100%

Uses @next/codemod

100%

next-async-request-api codemod

100%

next-dynamic-access-named-export codemod

Dependencies installed together

100%

Fetches official upgrade docs

100%

Breaking changes mentioned

100%

Test commands included

100%

96%

13%

Next.js Version Upgrade for TypeScript SaaS Dashboard

TypeScript types update and dependency install order

Criteria

Without context

With context

Reads package.json

100%

Codemods before install

66%

next-async-request-api applied

50%

100%

Core deps together

100%

TypeScript types updated

100%

Types installed separately

100%

Official docs consulted

100%

API breaking changes

100%

next.config.js review

100%

Build verification step

100%

91%

42%

Diagnosing and Fixing a Stalled Next.js Migration

Breaking changes review and official docs fetching

Criteria

Without context

With context

Reads package.json

100%

83%

Fetches nextjs.org docs

100%

next-request-geo-ip codemod

100%

next-dynamic-access-named-export codemod

100%

Uses @next/codemod CLI

100%

Async params breaking change

100%

next.config.js changes

Codemods before install

80%

100%

Dependencies together

30%

100%

Verification step

100%

Repository: vercel-labs/next-skills
Commit: dc1de9c

Evaluated: 3 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Upgrade Planning for Legacy Next.js Application Next.js Version Upgrade for TypeScript SaaS Dashboard Diagnosing and Fixing a Stalled Next.js Migration

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