supastarter-nextjs-skill

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Guides development with supastarter for Next.js only (not Vue/Nuxt): tech stack, setup, configuration, database (Prisma), API (Hono/oRPC), auth (Better Auth), organizations, payments (Stripe), AI, customization, storage, mailing, i18n, SEO, deployment, background tasks, analytics, monitoring, E2E. Use when building or modifying supastarter Next.js apps, adding features, or when the user mentions supastarter Next.js, Prisma, oRPC, Better Auth, or related Next.js stack topics.

4installs

Sourceoscardrt/supastarter-nextjs-skill

Added on2026-02-07

NPX Install

npx skill4agent add oscardrt/supastarter-nextjs-skill supastarter-nextjs-skill

SKILL.md Content

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supastarter for Next.js – Skill

Expert guidance for building production-ready SaaS applications with the supastarter Next.js starter kit. Next.js only; no Vue/Nuxt content.

When to Use This Skill

Use this skill when:

Building or modifying a supastarter Next.js app
Adding features (new entities, API endpoints, UI, i18n)
Working with Prisma, oRPC, Better Auth, Stripe, or the monorepo structure
Debugging setup, configuration, deployment, or troubleshooting
The user mentions supastarter Next.js, Prisma, oRPC, Better Auth, or related stack topics

High-Level Workflow: New Feature

Follow this order when adding a feature:

Schema – Add or update Prisma models in
```
packages/database/prisma/schema.prisma
```
; run migrations.

Queries – Add query functions in

packages/database/prisma/queries/

and export from

queries/index.ts

API – Add oRPC procedures in
```
packages/api/modules/<name>/
```
(types, procedures, router); mount router in
```
packages/api/orpc/router.ts
```
.
UI – Add React components in
```
apps/web/
```
(e.g.
```
modules/shared/components/
```
); use shadcn, TanStack Query, session hooks.
i18n – Add translation keys in
```
packages/i18n/translations/{en,de}.json
```
.

Full walkthrough: assets/recipes/feedback-widget.md.

Project Structure (Next.js Monorepo)

apps/web/                 # Next.js app (App Router, app/, components/, config/, lib/)
packages/
  api/                    # Hono + oRPC (modules/, orpc/router.ts)
  auth/                   # Better Auth config
  database/               # Prisma schema, migrations, queries
  i18n/                   # Translations
  mail/                   # React Email templates, providers
  storage/                # S3-compatible storage
  ui/                     # Shared UI (shadcn)
  config/                 # Shared config

Use package exports (e.g.

@repo/api

@repo/database

) instead of deep relative imports.

References (Progressive Disclosure)

Load only the reference files you need. All paths are from the skill root, one level deep.

Before writing code, read references/coding-conventions.md. For copy-paste patterns and commands, use references/code-patterns.md and references/quick-reference.md.

Topic	File
Coding conventions (read first)	references/coding-conventions.md
Code patterns (examples)	references/code-patterns.md
Quick reference (commands, paths)	references/quick-reference.md
Tech stack	references/tech-stack.md
Setup, install, deps	references/setup.md
Env, config, feature flags	references/configuration.md
Debugging, common issues	references/troubleshooting.md
Prisma schema, migrations, queries	references/database-patterns.md
Hono/oRPC, procedures, router	references/api-patterns.md
Better Auth, session, protected endpoints	references/auth-patterns.md
Orgs, roles, multi-tenancy	references/organization-patterns.md
Stripe, webhooks, subscriptions	references/payments-patterns.md
AI features, models	references/ai-patterns.md
UI, theming, extensions	references/customization.md
S3-compatible, uploads	references/storage-patterns.md
Emails, templates, providers	references/mailing-patterns.md
i18n, locales, translations	references/internationalization.md
Meta, sitemap, structured data	references/seo.md
Deploy, production	references/deployment.md
Cron, background jobs	references/background-tasks.md
Analytics integration	references/analytics.md
Monitoring, errors	references/monitoring.md
E2E tests	references/e2e-testing.md

Assets

Env template: assets/env.example – environment variable keys and short comments (no secrets).
Full recipe: assets/recipes/feedback-widget.md – build a feature from DB → API → UI → i18n (feedback widget example).

Scripts

generate_module.py – Scaffolds a new API module (types, procedures, router). See scripts/README.md or the Scripts section below.

How to run (from supastarter monorepo root):

bash

python scripts/generate_module.py <module-name>

Example:

python scripts/generate_module.py feedback

creates

packages/api/modules/feedback/

with

types.ts

procedures/create.ts

, and

router.ts

. Mount the router in

packages/api/orpc/router.ts

manually.

Conventions (Summary)

TypeScript everywhere; interfaces for object shapes.
Named function exports for React components; prefer Server Components; use
```
"use client"
```
only when needed.
Forms: react-hook-form + zod; API: oRPC procedures in
```
packages/api/modules/
```
.
Use
```
@repo/*
```
package imports; do not instantiate Prisma/Drizzle in app code.
pnpm, Biome (format/lint), Turbo; Node.js ≥ 20.

Before writing code, read references/coding-conventions.md. For examples and commands: references/code-patterns.md, references/quick-reference.md, references/customization.md, references/api-patterns.md.

Official Docs

Next.js docs (only): https://supastarter.dev/docs/nextjs
Download docs as .md: https://supastarter.dev/nextjs-docs.zip