From monolith to composable commerce – and on to agentic shopping via standards like UCP. This category gathers our articles on headless commerce with MedusaJS, TCO comparisons against Shopify Plus and SAP Commerce, B2B procurement and e-commerce architecture. Always with the honest question: when is the architecture switch worth it – and when not?
With the Universal Commerce Protocol, Google, Shopify, Target, and Walmart are establishing a standard for AI agents that shop. What UCP, AP2, and Universal Cart actually are – and what retailers should prepare now.
Matthias Radscheit
Medusa is a strong tool, and for many shops it is still overkill. Where Shopify ships faster and cheaper, where operational complexity eats the benefit, and why naming the limits is what makes the recommendation credible.
Matthias Radscheit
Why "composable" with Medusa is not a marketing word but the system's architecture — and where modular best-of-breed setups end up costing more than the monolith they were meant to replace.
Matthias Radscheit
Medusa is PostgreSQL-native and fully self-hostable. On Hetzner with Coolify and Docker the commerce stack runs GDPR-compliant in Germany, and it beats SaaS plus transaction fees above a clear revenue point. What the switch really costs, and when it pays off.
Matthias Radscheit
Shopify Plus sells comfort and time-to-market, Medusa sells control. The decision doesn't turn on the feature list but on transaction fees, lock-in, and whether you want to carry operational responsibility.
Matthias Radscheit
ChatGPT, Google AI Mode, and shopping agents are becoming a purchasing channel – but they only recommend products whose data they understand. The agent-readiness checklist: eight checkpoints for your product data.
Matthias Radscheit
Medusa is an excellent commerce core, but you won't get real enterprise procurement out of the box. The b2b-starter is boilerplate, not a maintained product. What that means for your procurement processes, your effort, and your make-or-buy decision.
Matthias Radscheit
SAP Commerce + Angular gets sold as the safe enterprise standard, usually without the full bill attached. Here is why Next.js + Medusa wins strategically on TCO, vendor lock-in and developer availability, and where SAP still remains the right call.
Matthias Radscheit
B2B buyers search by problem and application, not by SKU. Why hybrid search – exact matches plus semantics plus ERP context – is becoming the standard, and why the real project is in the product data.
Matthias Radscheit
Black Friday is no longer just a day. It's an infrastructure. If you think January brings the great calm after the consumption frenzy, you underestimate the logic of e-commerce. A look at the architecture of modern buying.
Matthias Radscheit
Matthias Radscheit
MedusaJS replaces the commercial core of Shopify, Shopware & co. – without license fees or revenue share. What the open-source commerce engine means for decision-makers: substitution, advantages, GDPR, cost.
Matthias Radscheit
Book a no-obligation call, send us an email, or use the form – we'd love to hear from you.