Lab. Built in the open.
Things I'm building in public as I climb the AI-infrastructure stack. Each project is the build terminus of a rung on the study ladder: study the layer, build the thing, document the thinking.
The desk is live690 companies tracked661 dossiers7/13 topics fresh
- Practice instrumentsGraded against the shipped bar — three of four, short only a public repository2026-09-05
- What leaves your machineBuilt the inspector that never sends the prompt2026-09-05
- What a local box really costs per million tokensBuilt the cost-per-million instrument with duty cycle as the first slider2026-09-05
Building
5 projectsBuilding Live
Carver (systematic risk) · Damodaran (valuation) · Kelly (1956)Practice instruments — ten simulators for the arithmetic of risk
A real edge, sized wrong, still ends at zero. Ten instruments that make that concrete.
TypeScriptReactCanvasMonte Carlo
Building
Rung 5 · Agentic AIthe-machine — MenFem's own agentic system
The orchestration harness that runs the whole operation — the "98% harness" thesis, built.
TypeScriptClaudeSkills / Workflows
Building Live
Rung 3 · Inference Engineeringinference-bench — the memory roofline, verified
Reproduce the fast-inference math, then benchmark a real serving stack against it.
PythonvLLM / SGLangCUDA
Building Live
Personal AI · the privacy cost of sending data outWhat leaves your machine — a prompt inspector that never sends the prompt
Paste what you were about to send a hosted model, and see it counted: bytes on the wire, and every identifier inside them.
TypeScriptReactNo network
Building Live
Personal AI · the cost of running models on hardware you ownWhat a local box really costs per million tokens
Duty cycle is the first slider, because it is the term that decides the answer — and no published calculator exposes it.
TypeScriptReactNo network