How to add authentication to Next.js without creating an account

WorkOS offers an accountless setup flow for adding AuthKit authentication to Next.js 15.3+ applications through the `npx workos@latest install` command, which provisions a temporary unclaimed environment, configures credentials in `.env.local`, and automatically adds callback routes, session middleware, UI provider support, and sign-in/sign-out functionality. Unclaimed environments include working API credentials and a hosted AuthKit domain but expire after seven days unless permanently claimed through the WorkOS dashboard, after which developers should log in through the CLI, remove the claim token, and create a separate production environment for deployment. The installer preserves existing WorkOS keys when present, checks for a clean Git state, does not commit changes itself, and can fall back to the standard login process if provisioning fails. The flow is also designed for coding agents, with noninteractive agent mode, JSON and NDJSON output, structured errors and exit codes, claim URLs that can be handed to users, diagnostic commands, and optional agent skills and MCP integration.

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