AI Gateway engineering diagram

Engineering the AI Gateway — Identity, Guardrails, and Production Hardening in USS

Engineering the AI Gateway Identity, Guardrails, and Production Hardening in USS When you add AI to a product, the real engineering work isn’t model selection. It’s boundary enforcement. USS uses a Cloudflare Worker as a hardened AI gateway. This post breaks down how it works — and why each layer exists. 1. The Worker Is Not a Proxy A naive implementation would look like: Frontend → Worker → OpenAI That’s not what this is. ...

Last updated: February 24, 2026 -- February 24, 2026 · 4 min · Mumble
AI-powered architecture diagram for Universal Schema Studio

Integrating AI into Universal Schema Studio — Architecture & Implementation Deep Dive

Integrating AI into Universal Schema Studio Architecture & Implementation Deep Dive Universal Schema Studio (USS) started as a static developer tool. Hosted on GitHub Pages, fronted by Cloudflare, entirely client-side. Then I added something that fundamentally changes the risk profile: AI-powered OpenAPI 3.0.3 drafting. This post breaks down exactly how I integrated AI without compromising: Security Cost control Identity Abuse resistance Production discipline This is the architecture-first breakdown. 1. The Starting Constraint: USS Is Static USS runs as: ...

Last updated: February 24, 2026 -- February 24, 2026 · 4 min · Mumble
Screenshot of the Universal Schema Viewer web interface

Building a Universal XSD → OpenAPI → ReDoc Viewer

A detailed guide on how I built a unified web-based schema viewer that converts XSD and XML files into OpenAPI YAML and renders them with ReDoc — complete with dark mode, drag-and-drop uploads, and live previews.

Last updated: October 30, 2025 -- October 18, 2025 · 4 min · Bernard Mumble