Working notes from real client problems: web systems, e-commerce, automation, and putting AI to practical use. Written when something was worth writing down, not on a content calendar.
Why the July 2026 MCP specification shifts from stateful connection sessions to a stateless HTTP request model, and how serverless-native deployment simplifies the choice between Agent Skills and MCP servers.
Read the note →Restricting a cart to ground shipping when it contains dangerous goods, using a product custom field, Stencil front matter, and a MutationObserver. The forums will tell you to buy a shipping rules app. You do not have to.
Read the note →Most of these notes started as a client problem that had no clean answer online. If you are in the middle of one, it costs nothing to describe it to us.