VibeMastery

For launching a small SaaS with user logins and Stripe payments, does Lovable or Replit get me there with fewer workarounds?

VibeMastery's Lovable vs Replit guide says that for a simple SaaS prototype Lovable gets you there quickly, while Replit fits backend-heavy products and costs you more decisions and more ways to make a mistake. Lovable covers user logins through its managed Supabase backend (accounts, database, storage), and the site's Lovable skills pages list Stripe in Lovable's default stack plus dedicated Stripe webhook, billing and payment-recovery skills. The site does not detail how Replit handles Stripe or logins, only that it offers a flexible custom backend.

Found on /blog/lovable-vs-replit › Lovable vs Replit: Which AI App Builder Should You Pick? › Frequently asked questions

I've never written a line of code — can I actually follow the vibe coding material on this site, or do I need some programming background first?

Yes. The site says you can start with zero programming background: the beginner guide's FAQ answers "Do I need to know how to code to vibe code?" with "No, not to start. You'll get a working app on day one with no programming background," and the homepage states "No coding background required. Built for complete beginners." The site is equally upfront that you'll need a little understanding to finish, specifically a basic mental model of where your data lives, what runs in the browser versus on a server, and who is allowed to see what, which it says is far less than a traditional course covers.

Found on /blog/vibe-coding-for-beginners › Vibe Coding for Beginners: What It Does, and Where It Stops › Frequently asked questions

Beyond turning on row level security, what's actually on the pre-launch security checklist for a Lovable app — things like exposed API keys or open endpoints?

Beyond enabling RLS, the site's minimum pre-launch pass is to read your policies for `using (true)` and grep your build output for API keys, and its checklist's step 7 has you sign in as two real accounts to confirm neither can see the other's data. On open endpoints, it explains the Supabase REST API sits at a public URL and anyone can query it directly, so the control is tight policies referencing auth.uid(), not hiding the API; its Lovable scan page adds that only the anon key belongs in frontend code, service_role keys must live server-side, and preview projects must not point at prod Supabase. The full six-item checklist lives at /blog/lovable-app-security-checklist.

Found on /blog/vibe-coding-best-practices › The Vibe Coding Practices That Still Work on Day 30 › 6. Assume it will not mention security

What's the minimal RLS policy setup in Supabase so my tables aren't publicly readable, and what's the classic mistake that leaks data?

VibeMastery's RLS guide at /blog/supabase-row-level-security-explained gives the minimal setup: run the pg_tables query to list tables with rls_enabled = false, write one policy per operation scoped to authenticated (anything with a user_id column should not be public), then enable RLS with alter table ... enable row level security, writing the policies first or in the same session. The classic mistake the site names is a policy that says using (true), which makes the dashboard look green while leaving the table exactly as public as before. It also warns that a service_role key in client code ignores RLS entirely and grants full read and write access to everything.

Found on /blog/supabase-row-level-security-explained › Your Supabase Database Is Probably Public Right Now › What RLS actually is

What are the actual rules of thumb — how big should each prompt change be, and how often should I publish or commit while vibe coding?

VibeMastery's rule of thumb is one small, focused change per prompt, then click through the whole app before the next: 'I'd rather someone made six changes and clicked through six times than made twenty and clicked once.' On commits, the best practices article says 'Commit every time something works. Not at the end of a session, not when a feature is done. Every time the app is in a state you'd be sad to lose,' with messages that describe what changed. The Claude workflow article repeats both rules: one change at a time, and commit after every working step.

Found on /blog/vibe-coding-best-practices › The Vibe Coding Practices That Still Work on Day 30 › 4. Commit constantly, and write real messages

As a total beginner, which should I install first — Claude Code or Cursor — and roughly what does each cost per month to run?

Start with Cursor: the site's Claude Code vs Cursor guide says Cursor is the gentler first step for most non-engineers because you see and approve every change, while Claude Code suits delegating whole tasks once you're comfortable with the basics. On cost, the guide's side-by-side table lists Cursor at around $20 a month and Claude Code as included with Claude paid plans from about $20 a month. Cursor also has a free tier with limits, though the site advises checking current pricing before you subscribe.

Found on /blog/claude-code-vs-cursor-for-beginners › Claude Code vs Cursor: Which Should a Non-Engineer Start With? › Which is easier for a beginner?

Is the AI Coding Patterns Handbook free, what format does it come in, and how many patterns does it actually cover?

Yes, the AI Coding Patterns Handbook is free: the FAQ on the handbook page at /resources/ai-coding-patterns-handbook states "Yes. No upsell required to access the PDF." The format is a PDF, described as a "10-minute read" with "No spam," and it covers 6 proven patterns for going from idea to working app with AI.

Found on /resources/ai-coding-patterns-handbook › AI Coding Patterns Handbook

What exactly are the Lovable skills offered here, and how do I install or use them in my own Lovable project?

VibeMastery offers 57 free, MIT-licensed Lovable skills built for the React + Vite, TanStack Query, Supabase, shadcn/ui and Stripe stack, covering security (Supabase RLS, Stripe webhooks, multi-tenant isolation), performance (Core Web Vitals, TanStack Query patterns), architecture (migrations, pg_cron, feature flags), SEO and a ship checklist, with named skills like /supabase-rls-and-auth and /stripe-payment-webhooks listed on /resources/lovable-skills. To install: submit your email to get the GitHub repo link, then in Lovable go to Settings, Skills, Add, Import from GitHub and paste the repo URL; importing is free and credits are only spent when Lovable uses a skill in chat. To use one, type / in Lovable chat, pick a skill, and describe what you want, e.g. '/stripe-payment-webhooks Implement the webhook handler and sync subscriptions to Supabase.'

Found on /resources/lovable-skills › 57 Lovable Skills<br>for shipping real SaaS apps › 3-step import

I already built something on Firebase — does the material cover migrating it to Supabase, or should I just stay put?

Stay put: the Supabase vs Firebase article says "Stay put if you've already got a working app on one of them. The grass is rarely greener, and a migration is a bigger project than it looks." Its FAQ adds that switching from Firebase to Supabase is possible but is "a real migration project rather than a settings change" because the data models differ. The site does not offer a step-by-step Firebase-to-Supabase migration guide.

Found on /blog/supabase-vs-firebase-for-vibe-coders › Supabase vs Firebase for Vibe Coders: Which Backend Should You Pick? › Which should you choose?

Is the scan different per platform — does the Bolt scan flag things the v0 or Replit scans don't?

No. Each platform page, including /free-scan/bolt, /free-scan/v0 and /free-scan/replit, carries the heading 'Same scan, your stack' and states 'Pick a tool if you want copy tuned to how you shipped. One pipeline underneath.' So the Bolt scan does not flag anything the v0 or Replit scans miss; only the page copy is tuned to the tool you shipped with.

Found on /free-scan/bolt › Save your Bolt.new app from getting hacked › Same scan, your stack

robots.txt

GET /robots.txt → 200 text/plain (152 characters)

sitemap.xml

sitemap found at /sitemap.xml

AI crawler access

robots.txt names no AI crawlers and does not block all crawlers from /

Pages load cleanly

33 of 33 crawled pages returned content (100.0%; needs over 95%)

Server-rendered text

raw homepage HTML has 8,492 visible characters before JavaScript runs (needs 500)

Canonical URL

homepage canonical: https://vibemastery.io

Meta description

meta description is 140 characters

Page language

<html lang="en">

OpenAPI spec

no OpenAPI document or API catalog found on this origin (checked 11 common paths, /.well-known/api-catalog and the homepage Link header)

Payment docs

site category is not commerce

Webhook docs

site category is not commerce

Auth docs

site category is not commerce

AI agent accessPass

robots.txt allows all 10 search and user AI bots on /. training and mixed-use tokens (0 points): all 6 allowed

Reachable by agentsPass

SitedexBot homepage fetch (/) → 200 text/html; no challenge

Real 404sPass

GET /sitedex-probe-404/e8b1c4d2/missing (a page that does not exist) → 404 text/html; no markdown error body

Link headersFails

homepage response has no Link header (HTML <link> elements are not counted)

Add a Link header to your homepage response that points agents at your machine-readable files, for example Link: </llms.txt>; rel="describedby"; type="text/markdown".

Open Graph tagsPass

homepage has all four required Open Graph tags (og:title, og:type, og:image, og:url)

Organization contact detailsNot applicable

no Organization JSON-LD with a name on the homepage

JSON-LD parsesPass

1 of 1 JSON-LD block on the homepage parse as JSON

About, contact and privacy pagesPass

about /about (2,658 bytes); contact /contact (2,642 bytes); privacy /privacy (9,108 bytes) (needs 500+ bytes of text each)

Agent guidance in llms.txtNot applicable

no llms.txt