Blog

Notes on things I have built and what they taught me.

• Tooling · 5 min read

  Prompting from anywhere with T3 Code

  One always-on dev machine, WireGuard in front of it, and T3 Code on top. How I prompt coding agents from wherever I am, and the systemd setup that keeps it running.

  19 August 2026

• Routing · 4 min read

  Replacing a routing API with VROOM and Valhalla

  Rebuilding transport planning around a smaller customer selection, self-hosted Valhalla and VROOM, and a Go service that caches the matrix.

  5 August 2026