Alex Southwell

developer building practical AI-agent tools, homelab infrastructure, and small useful apps. based in Sydney.

You might be looking for:

Keep the cache warm A cheap ping can stop your coding agent rewriting its whole context after a break. When it pays, and when to stop. What a GPU outlier actually means Inside the release-by-release T3 Code graphics test: what it measures, how to read it, and where the number can lie. AI Agent Tools Pi/Raycast tooling, session review, OpenTelemetry, browser-worker automation, sticky terminal context, and local agent workflows. Homelab Notes NurseDroid, Home Assistant, kitchen displays, Orange Pi monitoring, Frigate, local LLMs, and audit-first infrastructure notes. Project Index Public projects, private experiments, family utilities, iOS companions, and local-first knowledge tools. My Setup The working stack: macOS, Pi, Raycast, local machines, browser workers, and the habits that keep agent work observable. TokenBar A native macOS menu bar app for tracking AI tool token usage and cost. Links Reference shelf for tools, protocols, writing, and projects I keep coming back to.