John Sosoka
Delivering production AI systems from Boise.
I am a solutions architect and principal AI engineer based in Boise. This site is where I write about building real systems, document the projects worth keeping, and keep a record of the work beyond the day job.
Areas of Interest
What I am building and writing about
Agent design and orchestration
Patterns for tool use, evaluation, and production-safe AI delivery.
Cloud and platform architecture
Systems that stay understandable under real operational load.
Weekend Tech Projects
Homelab builds, 3D printing, and experiments worth documenting.
Selected Projects
Projects worth highlighting
A few projects that carry the clearest signal right now.
OpenPaw
A friendly LangChain/LangGraph multi-agent runner with persistent workspaces, scheduled tasks, and hierarchical agent management
GeeekPi 10" Mini Rack Homelab
A compact dual 10-inch rack homelab featuring UniFi networking, Minisforum compute nodes, Mac Mini M4 Pro for AI, and Grafana monitoring.
truthfulness-evaluator
Multi-model truthfulness evaluation with filesystem-aware evidence gathering
Writing
Recent Writing
Recent technical writing, architecture notes, and project lessons.
Agent Behavior-Steering Middleware
Introducing behavior steering middleware — a pattern for shaping AI agent conduct through layered, composable directives.
AI/ML Workflow Engineering Pattern: Deterministic Quoting
Mitigate hallucination, improve performance, and reduce cost with solid engineering patterns
The Context Gardener
Are software engineers now gardeners, tending to a garden of LLM context?