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Kubbler

Describe it once. Kubbler assembles a production-ready product from the Async Code foundation — then ships it live.

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Capability inventory

Everything the platform already does.

A complete foundation, from server to interface. Every capability already exists, proven and reusable — AI assembles these blocks for your product instead of rewriting everything from scratch.

5domains
22capabilities
90+interface components
01

Foundations & operations

2

Multi-tenant

One foundation, many products.

One codebase powers many products, resolved by domain
An isolated database for every client
A clean boundary between foundation and product
Switching product = switching one config folder

Deployment & tooling

From local machine to production.

One Docker container per client
Versioned, reversible schema migrations
API docs generated (OpenAPI, Swagger, Postman)
Automated tests, unit and end-to-end
02

Accounts & security

5

Authentication

The full account lifecycle.

Sign-up, sign-in, sign-out
Email verification with resend
Password reset
Sign-in via OAuth and SSO
Ready-made screens (Login, Register, Reset…)

Two-factor auth

A second factor, when it matters.

2FA / TOTP via authenticator app
Opt-in per user
Enforceable by the client across a workspace
Re-verification on sensitive actions

Anti-fraud

Detect without false blocks.

Device fingerprint, IP encrypted at rest
Sessions with replay protection
Drift score flagging suspicious activity
Email alert on anomalies

Protection & quotas

Barriers before any server cost.

Rate limiting, global and per session
reCAPTCHA v3 on sensitive endpoints
Hardened security headers (CSP, CORS)
Timeouts and anti-DoS guardrails

Roles & organizations

Structure who accesses what.

Access levels and admin role
Organizations and teams
Invitations to accept or decline
Lead and member roles
03

Data, payments & infrastructure

6

Payments & subscriptions

Get paid, no surprises.

Stripe: one-off payments and subscriptions
Plan changes and cancellation
Amount recomputed and secured server-side
Signed webhooks, no double billing
Interface: cart, checkout, pricing, products

Validated data

No unvalidated write.

Every field validated: type, format, default
Versioned schemas and safe migrations
Rich queries: joins, aggregates, upsert
Standardized pagination on every list

Storage & media

Clean, isolated files.

Local or S3 storage, isolated per client
Optimized images (WebP, stripped metadata)
Sanitized SVGs, secure uploads
Media library with cropping (interface)

Transactional email

The emails that really matter.

Reliable SMTP delivery
Localized templates in several languages
Customizable per client
Verification, reset, notifications

Automations

Background work, hands-off.

Persistent task queue
Recurring scheduling (cron) per client
Automatic retries and priorities
Batch processing

Cache & performance

Fast by default.

Cache auto-invalidated on write
Inline critical CSS for first paint
Static rendering with revalidation
Deferred loading of third-party scripts
04

Experience & interface

7

Composition engine

Screens assembled, not coded.

Declarative composition, from configuration
Three layers: elements, blocks, logic
Per-product variants without duplication
Improvements inherited by every project

Interface library

90+ ready-to-use blocks.

Navigation, hero, footer
Tables, forms, search, filters
Calendar, charts, timer, rating
Analytics tracking built into components

Internationalization

Multi-language out of the box.

Layered dictionaries per view
Language switch and preference cookie
Distinct URLs and SEO per language
Right-to-left and Asian scripts

Theme & brand

Your identity, everywhere, in one place.

Full system: colors, typography, logos
Automatic light and dark mode
Reusable brand presets
Visual identity editor

SEO & discoverability

Findable by Google — and by AI.

Metadata, sitemap, robots
Structured data (JSON-LD)
Open Graph and Twitter tags
AI indexing (llms.txt)

Analytics & GDPR

Measure, in compliance.

GA4 via Google Tag Manager
Regional consent (GDPR)
Configurable cookie banner
Performance and error tracking

Installable app

The web, but like an app.

Service worker and manifest
On-device install
Blog module (editor and rendering)
Booking module
05

Assisted creation

2

No-code editors

Compose without writing code.

Editors for blocks, templates and preview
Drag-and-drop, undo and redo
Visual style inspector
Generation through conversation, in real time

Zero-knowledge vault

Secrets the server never sees.

End-to-end encryption
Per-team sharing
Audit log
Key rotation