AI SaaS Engine (Next.js + Node) The fastest way to build SaaS Products, CRMs, and Internal Tools. The Agent generates the schema, API, and Admin UI in one shot.
This is a Full-Stack Vibe Coding Template that runs with an AI agent inside your own sandbox VM. It generates a working full-stack app from a database schema, using the backend-nodejs and frontend-react-tailwind templates in this repo. The output is a React/Next.js + Tailwind admin UI and a Node.js/Express REST API with a database layer and seed data. The generated app includes an admin UI, a REST API, and optional features like multi-tenancy, advanced roles, and static website pages.
This is the best foundation for
- Building a SaaS app quickly
- CRM, ERP, CMS, or other data-heavy applications
- Internal tools for ops, finance, support, or content teams
- Data management apps that replace spreadsheets
- MVPs where the data model is the product
- Multi-tenant control panels for customer accounts
- Teams that want a consistent backend + frontend baseline
Core features
- Stack: Next.js pages + React 19 + TypeScript + Tailwind + MUI DataGrid + Redux Toolkit + Axios on the UI; Node.js + Express + Sequelize on the API; PostgreSQL/MySQL/MSSQL support; Dockerfile for builds.
- Auth and identity: email/password signup and login, JWT, email verification, password reset and update, invitation flow, seeded users, Google and Microsoft OAuth2, profile edit UI with avatar upload.
- Roles and access: CRUD permissions per entity, custom per-user permissions, public role fallback, self-access bypass, optional advanced roles/permissions tables, optional multi-tenancy with org scoping and super admin global access.
- Data and CRUD: schema-driven entities, relations (one-to-one, one-to-many, many-to-many), soft deletes with createdBy/updatedBy, list/table/card/calendar or kanban views, inline editing in DataGrid, filters (text, enum, boolean, numeric/date ranges, relations, calendar range), sorting, pagination, counts, autocomplete, bulk delete.
- Import/export: CSV export for list views, CSV bulk import, drag-and-drop CSV upload, bulk operations from the UI.
- Search and API: global search across entities with permission checks, read-only SQL endpoint (SELECT-only), Swagger/OpenAPI docs.
- Files and media: file and image uploads, local dev storage or Google Cloud Storage, download links, image previews, drag-and-drop file picker, TinyMCE rich text editor for WYSIWYG fields.
- AI and widgets: text-to-chart/widget creator, role-based widget storage, AI proxy endpoints (ask-gpt and responses API), chart types (bar, line, pie, area, funnel).
- Web pages: optional landing pages with hero, features, about, FAQ, pricing, testimonials, gallery, and contact sections; header/footer variants; contact form email endpoint; Pexels image/video integration; terms and privacy pages.
- UX and utilities: responsive layout, light/dark mode, multiple theme presets and fonts, i18n setup with language switcher component, Intro.js tour steps (disabled by default), error boundary with dev logging, dev compilation badge.
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