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Takes a problem statement and produces a deployable micro-SaaS product — landing page, auth, payments, database, API, and billing. Use when building micro-SaaS products solo.
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SKILL.md を表示中
| name | ai-saas-builder |
| description | Takes a problem statement and produces a deployable micro-SaaS product — landing page, auth, payments, database, API, and billing. Use when building micro-SaaS products solo. |
| domain | development |
| license | Apache-2.0 |
| tags | ["api","builder","coding","saas","software-engineering","testing","money","passive-income"] |
| version | 2.0.0 |
| author | oyi77 |
| subdomain | |
| type | dev |
This skill ships micro-SaaS products that generate recurring revenue. Each product targets $50-500/mo MRR. At 2-4 products/month × $200 avg MRR = $400-800/mo new MRR. Products compound: 12 months at 3/month with 80% retention = ~$6K/mo portfolio.
#!/usr/bin/env bash
PROBLEM="$1"
[[ -z "$PROBLEM" ]] && echo "Usage: $0 'problem statement'" && exit 1
echo "=== Micro-SaaS Generator ==="
echo "Problem: $PROBLEM"
echo ""
echo "Phase 1: Spec Generation"
echo "Phase 2: Tech Stack (Next.js + Stripe + Supabase)"
echo "Phase 3: Scaffold (npx create-t3-app)"
echo "Phase 4: Payment Integration"
echo "Phase 5: Deploy (Vercel)"
echo "Phase 6: Launch Checklist"
echo ""
echo "Target: Ship in 7 days"
echo "Pricing: $19-49/mo for individuals, $99-199/mo for teams"
An end-to-end pipeline for shipping micro-SaaS products as a solo operator. Takes a problem statement and produces a fully deployed, monetizable SaaS with landing page, authentication, payment integration, and billing. Designed for one-person companies to ship 2-4 products per month.
npx create-t3-app, npx create-next-app, railway, flyctl, vercelTrigger phrases:
"ai saas builder"
"Takes a problem statement and produces a deployable micro-SaaS product — landing"
You have a business idea and want to ship a working product fast
You need to validate a market before investing weeks of development
You want to build a portfolio of micro-SaaS products for passive income
A client requests a custom SaaS solution
The ai-saas-builder workflow follows a standard pipeline pattern.
Core flow:
# ai-saas-builder primary flow
input = prepare(raw_data)
result = process(input, config={auth, billing, builder, database, deployable})
validate(result)
deliver(result)
Error handling:
on error:
log(error_details)
retry_with_backoff(max=3)
if still_failing: alert_and_escalate()
# Input: problem statement
# Output: structured spec
cat << 'SPEC' > spec.md
# {product_name}
## Problem
{one_sentence_problem}
## Solution
{one_sentence_solution}
## Target User
{user_persona}
## Core Features (MVP)
1. {feature_1} - must have
2. {feature_2} - must have
3. {feature_3} - nice to have
## Monetization
- Free tier: {limits}
- Pro: ${price}/mo
- Enterprise: custom
## Tech Stack
- Frontend: {framework}
- Backend: {api_type}
- Database: {db}
- Auth: {auth_provider}
- Payments: {payment_provider}
- Hosting: {platform}
SPEC
def select_stack(product_type, requirements):
"""Select optimal stack based on product characteristics."""
stacks = {
"crud_app": {
"framework": "Next.js 14 (App Router)",
"api": "tRPC or Next.js API Routes",
"db": "Supabase (PostgreSQL)",
"auth": "Clerk",
"payments": "Stripe Checkout",
"hosting": "Vercel"
},
"ai_app": {
"framework": "Next.js 14",
"api": "Next.js API Routes + streaming",
"db": "Supabase + pgvector",
"auth": "Clerk",
"payments": "Lemon Squeezy",
"hosting": "Vercel"
},
"marketplace": {
"framework": "Next.js 14",
"api": "tRPC",
"db": "Supabase",
"auth": "Supabase Auth",
"payments": "Stripe Connect",
"hosting": "Vercel"
},
"api_product": {
"framework": "None (API only)",
"api": "Hono or Fastify",
"db": "PlanetScale (MySQL)",
"auth": "API keys + JWT",
"payments": "Stripe metered billing",
"hosting": "Fly.io or Railway"
}
}
return stacks.get(product_type, stacks["crud_app"])
# Create Next.js project with T3 stack
npx create-t3-app@latest my-saas --tailwind --trpc --prisma --nextAuth
# Or with Supabase
npx create-next-app@latest my-saas --typescript --tailwind --app
cd my-saas
npx supabase init
# Install core dependencies
pnpm add stripe @stripe/stripe-js # or lemon-squeezy
pnpm add @clerk/nextjs # or next-auth
pnpm add zod react-hook-form @tanstack/react-query
# Project structure
my-saas/
├── src/
│ ├── app/
│ │ ├── (marketing)/ # Landing page
│ │ ├── (app)/ # Dashboard
│ │ ├── api/ # API routes
│ │ └── layout.tsx
│ ├── components/
│ │ ├── ui/ # Shadcn/ui components
│ │ ├── landing/ # Landing page sections
│ │ └── billing/ # Pricing, checkout
│ ├── lib/
│ │ ├── stripe.ts # Stripe client
│ │ ├── db.ts # Database client
│ │ └── auth.ts # Auth config
│ └── server/
│ ├── routers/ # tRPC routers
│ └── stripe-webhook.ts
├── prisma/
│ └── schema.prisma
└── .env.local
// Stripe Checkout integration
// src/app/api/checkout/route.ts
import Stripe from 'stripe';
const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);
export async function POST(req: Request) {
const { priceId } = await req.json();
const session = await stripe.checkout.sessions.create({
mode: 'subscription',
payment_method_types: ['card'],
line_items: [{ price: priceId, quantity: 1 }],
success_url: `${process.env.NEXT_PUBLIC_URL}/dashboard?success=true`,
cancel_url: `${process.env.NEXT_PUBLIC_URL}/pricing`,
});
return Response.json({ url: session.url });
}
// Stripe Webhook for subscription events
// src/app/api/webhooks/stripe/route.ts
export async function POST(req: Request) {
const body = await req.text();
const sig = req.headers.get('stripe-signature')!;
const event = stripe.webhooks.constructEvent(body, sig, webhookSecret);
switch (event.type) {
case 'checkout.session.completed':
// Create/update user subscription in DB
await db.subscription.create({
data: {
userId: event.data.object.metadata.userId,
stripeCustomerId: event.data.object.customer,
stripeSubscriptionId: event.data.object.subscription,
status: 'active',
}
});
break;
case 'customer.subscription.deleted':
// Mark subscription as cancelled
await db.subscription.update({
where: { stripeSubscriptionId: event.data.object.id },
data: { status: 'cancelled' }
});
break;
}
return Response.json({ received: true });
}
# Vercel deployment
npx vercel --prod
# Or Railway
railway login
railway init
railway up
# Or Fly.io
flyctl launch
flyctl deploy
# Environment variables (set in platform dashboard)
# STRIPE_SECRET_KEY, STRIPE_WEBHOOK_SECRET
# NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY
# DATABASE_URL, NEXTAUTH_SECRET
# NEXT_PUBLIC_URL
## Launch Checklist
- [ ] Landing page live with pricing
- [ ] Stripe/Lemon Squeezy checkout working
- [ ] Webhook handling subscription events
- [ ] Auth flow (signup, login, logout)
- [ ] Dashboard with core feature
- [ ] Error pages (404, 500)
- [ ] SEO meta tags + OG image
- [ ] Analytics (Plausible/PostHog)
- [ ] Submit to Product Hunt
- [ ] Post on Twitter/X with demo
- [ ] Post on IndieHackers
- [ ] Submit to relevant directories
- [ ] Set up customer support (Crisp/Intercom)
| Error | Cause | Fix |
|---|---|---|
| Stripe webhook 400 | Signature mismatch | Verify STRIPE_WEBHOOK_SECRET matches Stripe dashboard |
| Auth callback fails | Wrong redirect URI | Check NEXTAUTH_URL or Clerk allowed redirects |
| DB connection timeout | Connection pool exhausted | Use Supabase connection pooler (port 6543) |
| Deploy fails | Missing env vars | Check all required env vars are set in platform |
| Payment succeeds but no access | Webhook not firing | Test with stripe listen --forward-to localhost |
// Check usage before allowing action
const usage = await db.usage.findUnique({ where: { userId } });
if (usage.count >= FREE_TIER_LIMIT) {
throw new TRPCError({ code: 'FORBIDDEN', message: 'Upgrade to Pro' });
}
// Organization-based access control
const org = await db.organization.findUnique({
where: { id: input.orgId },
include: { members: { where: { userId: session.user.id } } }
});
if (!org.members.length) throw new TRPCError({ code: 'FORBIDDEN' });
| Excuse | Truth |
|---|---|
| "The market is saturated" | 99% of SaaS products have <100 customers |
| "I need a co-founder" | Solo founders ship 2x faster |
| "It needs more features first" | Your first 10 customers will tell you what to build |
On completion: "[Product name] shipped in [N] days, $[N]/mo pricing, $[N] projected MRR at 50 customers"