# Workos Authkit Next JS Authentication Toolkit > WorkOS AuthKit is a real authentication toolkit for Next.js applications. It gives agents a concrete integration target for login, sessions, RBAC, SSO, MFA, and user management backed by WorkOS docs and package releases. Use when this capability is needed. - Skill: `tomevault-io/workos-authkit-next-js-authentication-toolkit` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/workos-authkit-next-js-authentication-toolkit` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/workos-authkit-next-js-authentication-toolkit/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Web & Frontend - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/workos-authkit-next-js-authentication-toolkit --- # WorkOS AuthKit Next.js Authentication Toolkit WorkOS AuthKit is a real authentication toolkit for Next.js applications. It gives agents a concrete integration target for login, sessions, RBAC, SSO, MFA, and user management backed by WorkOS docs and package releases. ## Prerequisites npm, pnpm, yarn, docker, go, rust, java ## Installation Use the upstream install or setup path that matches your environment: - pnpm i @workos-inc/authkit-nextjs - yarn add @workos-inc/authkit-nextjs - Make sure the following values are present in your .env.local environment variables file. The client ID and API key can be found in the [WorkOS dashboard](https://dashboard.workos.com), and the redirect URI can also b... - Make sure this route matches the WORKOS_REDIRECT_URI variable and the configured redirect URI in your WorkOS dashboard. For instance if your redirect URI is http://localhost:3000/auth/callback then you'd put the above... Requirements and caveats from upstream: - WorkOS requires that you have a callback URL to redirect users back to after they've authenticated. In your Next.js app, [expose an API route](https://nextjs.org/docs/app/building-your-application/routing/route-handle... - When running in environments like Docker, set the baseURL explicitly to ensure the redirects point to the correct location. - | baseURL | undefined | The base URL to use for the redirect URI instead of the one in the request. **Required** if the app is being run in a container like docker where the hostname can be different from the one in t... Basic usage or getting-started notes: - or - ## Video tutorial - - Source: https://github.com/workos/authkit-nextjs - Extracted from upstream docs: https://raw.githubusercontent.com/workos/authkit-nextjs/HEAD/README.md ## Source - [Agent Skill Exchange](https://agentskillexchange.com/skills/workos-authkit-nextjs-authentication-toolkit/) --- > Source: [agentskillexchange/skills](https://github.com/agentskillexchange/skills) — distributed by [TomeVault](https://tomevault.io).