The Agent Skills Directory

Command Execution: The skill uses standard package managers such as npm, yarn, pnpm, and bun to update project dependencies and execute official migration tools. This includes running @next/codemod via npx to automate code transformations.
External Documentation Access: It leverages official documentation from the nextjs.org domain to guide the upgrade process, ensuring the agent follows the latest recommended practices for specific version migrations.
Project Analysis: The skill reads the local package.json file to identify the current Next.js version and determine the necessary upgrade path, which is a routine procedure for software maintenance and framework updates.

next-upgrade