Verify Next.js runtime behavior after editing app code. Use this skill to confirm a change actually works in a running app — not just that it compiles or type-checks. Combines /_next/mcp (Next.js's view) with agent-browser (the browser's view). Requires a running `next dev`.
Install
npx skills add vercel/next.js --skill next-dev-loopnpx skills add vercel/next.js --skill next-dev-loop -a claude-code -gnpx skills add vercel/next.js --skill next-dev-loop -a codex -ggemini skills install https://github.com/vercel/next.js.git --path skills/next-dev-loopgh skill install vercel/next.js next-dev-loopgit clone --depth 1 https://github.com/vercel/next.js /tmp/vercel__next.js
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/vercel__next.js/skills/next-dev-loop ~/.claude/skills/next-dev-loop # Claude Code
cp -R /tmp/vercel__next.js/skills/next-dev-loop ~/.agents/skills/next-dev-loop # Codex, Cursor, Gemini CLI, Copilot, OpenCode