1 rule for Next.js
Codex instructions for Next.js: App Router, TypeScript and Server Actions. Append to AGENTS.md. Structure, security, and tests. Next.js 16.4.6, Nov 2026.
# Next.js Codex Instructions: App Router, TypeScript and Server Actions
## Install
Install the native export at `AGENTS.md` as an appended section, not a replacement and not a custom agent.
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Next.js Codex Instructions: App Router, TypeScript and Server Actions
Section to append to `AGENTS.md` for Next.js. This is project guidance, not a custom agent.
## Updated for Next.js 16.4.6, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
Read `package.json`, the loc...