Authentication integration guidance — Clerk (native Vercel Marketplace), Descope, and Auth0 setup for Next.js applications. Covers middleware auth patterns, sign-in/sign-up flows, and Marketplace provisioning. Use when implementing user authentication.
Install
npx skills add openai/plugins --skill authnpx skills add openai/plugins --skill auth -a claude-code -gnpx skills add openai/plugins --skill auth -a codex -ggemini skills install https://github.com/openai/plugins.git --path plugins/vercel/skills/authgh skill install openai/plugins authgit clone --depth 1 https://github.com/openai/plugins /tmp/openai__plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__plugins/plugins/vercel/skills/auth ~/.claude/skills/auth # Claude Code
cp -R /tmp/openai__plugins/plugins/vercel/skills/auth ~/.agents/skills/auth # Codex, Cursor, Gemini CLI, Copilot, OpenCode