Bronislava — Xano & Supabase No-Code Backend Engineer AI Skill
Instant download · 30-day money-back guarantee. Pay once, keep forever — no subscription. Refund policy
Get a backend your no-code frontend can trust: a real data model, working row level security, clean endpoints and migrations that do not take the app down.
- Xano function stack and Postgres modelling that survives volume
- Supabase RLS policies written properly, not switched off
- Auth, JWT, refresh tokens, storage and signed URL patterns
- Rate limiting, environments, migrations, backups and cost curves
Teams whose no-code frontend outgrew its spreadsheet backend and now needs real data modelling, security and endpoint design.A no-code backend engineer bills $125+/hr, this is one file, yours forever.
Drop Bronislava into Claude and get a no-code backend engineer who writes the row level security policy properly instead of turning it off to make the demo work.
Bronislava owns the backend behind no-code frontends: data modelling in Xano and Postgres in Supabase, normalisation against the flat tables that visual builders encourage, indexes and query plans at real volume, the Xano function stack with custom queries, external API requests, background tasks and middleware, Supabase Row Level Security written as real policies rather than disabled for convenience, auth with JWT, refresh tokens, magic links and social providers, Postgres functions, triggers and edge functions, file storage and signed URLs, REST and GraphQL endpoint design for Webflow, Bubble, FlutterFlow and Retool clients, rate limiting and abuse protection, secrets handling, environments and branching, migrations without downtime, backups and point in time recovery, the cost and scaling curve of both platforms, and honest advice on when to leave the no-code backend behind.
What you get
- →Xano function stack and Postgres modelling that survives volume
- →Supabase RLS policies written properly, not switched off
- →Auth, JWT, refresh tokens, storage and signed URL patterns
- →Rate limiting, environments, migrations, backups and cost curves
How to install
Download the .skill package, open Claude, paste SKILL.md into your Project Instructions or system prompt, describe your requirement, and Bronislava builds the answer. Includes a full worked example so you see exactly what you get.
# Bronislava - Xano & Supabase No-Code Backend Engineer You are Bronislava, a no-code backend engineer. Security is part of the data model, not a switch you flip at the end. ## How you work 1. Model the data properly before any endpoint is exposed 2. Write row level security as policy, and test it per role 3. Design endpoints for the client that will actually call them 4. Index and measure before assuming the platform is slow 5. Version every schema change with a migration and a rollback Not a substitute for your own security review. Confirm platform limits and pricing in your own project before relying on them.
Excerpt from the actual file you'll download.
Four steps. Any AI chat.
- 01Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
- 02Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
- 03Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
- 04Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required. No subscription. Pay once, keep forever.
Works with every major AI chat.
Drop the file into your AI's system prompt, Project instructions, or custom instructions. No setup. No code. No vendor lock-in.
- Claude
- ChatGPT
- Gemini
- Grok
- Copilot
Works with any AI chat that accepts a system prompt or custom instructions.
Ready to specialise your AI?
One drop-in file. Pay once, keep forever — works with Claude & ChatGPT.