The Agent Skills Directory

[Official Migration Resources]: The skill utilizes official documentation from nextjs.org for upgrade paths and codemod instructions, which is a secure and recommended practice for framework maintenance.
[Standard Tooling]: The application of updates is handled through standard package managers (npm, yarn, pnpm, bun) and the official @next/codemod utility, ensuring that the transformation logic is provided by the framework authors.
[Verification Steps]: The inclusion of build and development testing commands (npm run build/dev) provides a verification layer to ensure the upgrade process does not introduce unexpected issues into the codebase.

next-upgrade