9 min read
The Solo Studio Software Stack: What I Actually Pay For in 2026
Total stack runs 312 EUR/month across 11 tools
The Lab · Written in the open · Tagged Business
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
90 entries · latest 2026-09-11
9 min read
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…
9 min read
30 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.
9 min read
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
8 min read
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…
8 min read
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
8 min read
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.
10 min read
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…
13 min read
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…
8 min read
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.…
9 min read
Stripe Projects Changes Solo Maker Economics
Stripe Projects lets solo makers collect real payments without forming a company, cutting setup time from weeks to…
9 min read
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