Lab
AI tools, creative workflows, developer deep-dives, and behind-the-scenes from RAXXO Studios.
41 articles
EU Reverse-Charge VAT for Solo SaaS Buyers: The Zero-Euro Math Most Devs Miss
Reverse-charge means you self-account VAT on foreign SaaS and deduct it in the same return, so the net is zero A valid VAT ID on file with the vendor is what triggers reverse-charge instead of a consumer sale Standard taxation...
Read article30 Days With the Magnific Image Pipeline: What Stuck and What Got Killed
Spaces replaced three separate tools in my image pipeline and cut context switching to near zero. Relight turned phone-shot product photos into store-ready images without...
4 Berlin Tech Meetups Worth Your Tuesday Night in 2026
Berlin AI/ML Meetup runs deep technical talks in Mitte coworking spaces, best for hires and peer learning WeAreDevelopers Berlin is the biggest crowd, polished talks,...
Why I Doubled My Product Prices and Lost Zero Customers
Doubled Blueprint from 19 EUR to 33 EUR and FULLMOON from 29 EUR to 49 EUR with zero churn from existing buyers Sales rate per...
Solo Studio Invoicing in 2026: Stripe Tax + DATEV Export + USt-VA via API
Stripe Tax handles VAT calculation per customer location automatically across 40+ countries A 50-line Node script exports the monthly DATEV CSV my tax advisor actually...
Solo Studio Bookkeeping in 90 Minutes a Month: My Stack and Routine
My bookkeeping stack costs 30 EUR a month and runs on four tools. I spend 15 minutes a week on receipts and 60 minutes monthly...
Microsoft Agent 365 Launches With Claude Inside: What It Means
Microsoft Agent 365 launches today, May 1, 2026, as the enterprise control plane for autonomous agents inside Microsoft 365 Copilot Cowork brings autonomous multi-step task...
When Your AI Agent Sells Your Bike For 27 EUR Less
Anthropic ran 4 marketplace experiments where Claude agents bought, sold, and negotiated for 69 employees with zero human approval mid-deal. Same broken bike: Haiku sold...
Why I Replaced Notion With 40 Markdown Files
After five years of paying for Notion, I moved my entire studio to 40 markdown files in git. Why the move, how I ported 600...
Stripe Projects Changes Solo Maker Economics
Stripe Projects lets solo makers collect real payments without forming a company, cutting setup time from weeks to minutes. I used to need a GmbH,...
How I Run a 15-Repo Studio From One CLAUDE.md File
I run a 15-repo AI creative studio with one CLAUDE.md file as the brain, not 15 different configs|The top-level CLAUDE.md covers rules, brand voice, folder...
Merch Design That Actually Sells: 5 Case Studies
The best-selling RAXXO merch designs all share three traits: specific audience, one clear message, high-contrast typography Generic inspiration quotes and vague "creative" designs sell the...