I want to know what systems actually do.

I investigate systems, test assumptions and document what can actually be verified. Across security, infrastructure, AI, automation and the web.

Selected work

System
Agent Infrastructure
A versioned workspace that distributes skills, standards, and guardrails to separate agent environments.
active
AI SystemsAutomation
Investigation
Healthcare Chatbot Security Investigation
An investigation of a real healthcare chatbot that shipped credentials in its frontend.
verified
completed
SecurityWeb
Migration
Multilingual Astro Data Migration
A migration of 1,818 records in three languages to a new Astro rendering path.
measured
WebData
Tool
rostr
A CLI-first server inventory with a versioned YAML inventory layer and derived configuration.
in use
InfrastructureAutomation

Article
The disk came back. The incident wasn't over.
Why the return of a component is not the same as the return of confidence in a system.
Infrastructure
Essay
Models can suggest. Code should decide.
Why probabilistic suggestions and privileged execution need different responsibilities.
AI SystemsSecurity

paused
marlin
A paused investigation into a control layer for AI agents.
AI SystemsSecurity

About

This site is my public engineering archive: selected systems, investigations, experiments and what can actually be learned from them.