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berthelius/README.md
Viktor Berthelius — Founder, systems builder, AI-native

I build brands and machines that run themselves.
Founder-operator across strategy, engineering & creative direction — turning ideas into AI-native systems that ship on their own.
◇  Shipping for the web since 1999 — Flash & ActionScript → XHTML → HTML5 → AI-native.  27 years, nearly every layer of the stack.

Tenerife   AI-native   Shipped daily


◇  B U I L D I N G

FRIHET

AI-native ERP for people who hate ERPs.

OCR · treasury · automations & integrations
(Stripe · Zapier · n8n) — Spanish fiscal
compliance built in, VeriFactu ready.

frihet.io  ·  app  ·  docs

Agent-native → MCP on Smithery · SDK · @Frihet-io

BRTHLS

Brand systems & creative direction.

A general theory of brand machines —
strategy, identity & content pipelines
engineered to compound, not decorate.

brthls.com  ·  magazine


FEATURED · OPEN SOURCE

BRAND MACHINES

From a book about brand systems to a method agents can use.

Seven layers, an installable Agent Skill, and a source-backed workflow
to diagnose, propose and review brand decisions.

Dependency-free local CLI + HTTP API · MIT · English / Español
Structural checks run locally. The agent performs semantic review against the sources.

Explore the agent edition →  ·  the book  ·  on BRTHLS


◇  S T A C K

From the Flash era to AI-native — a 27-year toolbox. A curated slice:

F O U N D A T I O N S  ·  where it started

Flash ActionScript XHTML HTML5 CSS3 Sass PHP jQuery Ruby

L A N G U A G E S

TypeScript JavaScript Python Luau Go Bash SQL

F R O N T E N D ·  M O T I O N ·  V I D E O

React Astro Tailwind CSS Vite GSAP Lenis Framer Motion MDX

B A C K E N D

Node.js Hono tRPC Drizzle Zod

D A T A ·  S E R V E R L E S S

Firebase Supabase PostgreSQL MySQL MongoDB Neon TiDB Cloud Turso PlanetScale Upstash

R O B L O X ·  G A M E D E V

Roblox Rojo Wally Selene StyLua

C L O U D ·  I N F R A ·  D E V O P S

Hetzner Vercel Cloudflare Docker Caddy GitHub Actions Turborepo pnpm

A U T O M A T I O N ·  A G E N T S ·  C O M M E R C E

n8n Zapier Evolution API Vapi Dify Chatwoot Stripe PayPal Shopify WooCommerce

C O N T E N T ·  C M S

Sanity WordPress Docusaurus Notion

A I - N A T I V E

Claude Code MCP LiteLLM Smithery OpenAI Codex

G E N E R A T I V E   I M A G E

ComfyUI Flux Midjourney Ideogram Krea Magnific Flora

G E N E R A T I V E   V I D E O

Runway Kling Veo Hailuo LTX Studio Remotion

A I   A U D I O ·  G E N   I N F R A

ElevenLabs Suno fal.ai Replicate Runpod Modal

Q U A L I T Y ·  A N A L Y T I C S ·  A R C H I T E C T U R E

Playwright Vitest Sentry PostHog ast-grep Event Sourcing Domain-Driven Design Multi-tenant PWA VeriFactu


◇  S I G N A L

Shipping signal


◇  E L S E W H E R E

Web Music LinkedIn X dev.to

Profile views

CAIO · CTO · CMO · Creative Director · Systems Architect · Vibecoder · Writer  —  AI-native systems, shipped daily.

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  1. Frihet-io/frihet-mcp Frihet-io/frihet-mcp Public

    Official MCP server for Frihet ERP — 156 operations for AI-powered invoicing, tax & e-invoicing compliance (VeriFactu, TicketBAI, Facturae), banking, CRM, HR/payroll & POS. Works with Claude, ChatG…

    TypeScript 13 3

  2. Frihet-io/frihet-sdk Frihet-io/frihet-sdk Public

    Official TypeScript SDK + CLI for Frihet ERP API — invoices, expenses, clients, products, quotes, and reports

    TypeScript 1

  3. Frihet-io/n8n-nodes-frihet Frihet-io/n8n-nodes-frihet Public

    n8n community node for Frihet ERP — AI-native business management. Invoices, expenses, clients, products, tax compliance.

    TypeScript 1

  4. brand-machines-agents brand-machines-agents Public

    Diagnose, design and review brand systems with agents. Brand Machines method by Viktor Berthelius · ES/EN · Python checks · Patagonia worked study.

    Python 1