Insights

Insights from production.

Practical writing on agentic AI from the team at TokenTek: what works in production, what does not, and how to avoid the most common mistakes.

17 August 2026

Twenty languages in two days. Zero lines written by hand.

A 64-minute YouTube movie was dubbed into 20 languages with Johan's cloned voice, in sync with the subtitles, in two days. Here is the full pipeline — and everything that went wrong along the way. The subtitles that broke in every language, the sleepy voice, the word that meant both tag and day, and how four audit agents found the flaws across twenty languages.

10 August 2026

Infrastructure Part 2: Every Monday at 06:00. 100% built with AI.

The first issue of Tech Insights has gone out through our new engine. Hand-written markdown in, one immutable API request out to over 3,000 subscribers. This is the story of how we built the system: the consent database, the armed release, the Monday 06:00 machine, and how we closed the windows that threatened to send the wrong thing.

12 July 2026

Notebook Navigator. Zero lines written by hand.

Notebook Navigator is a top-ranked plugin for Obsidian. Over 800,000 downloads, 180 releases, and zero lines of code written by hand. This is the full story, from seventeen years in Evernote to fourteen months of agentic development with Claude Code, Codex and Anthropic Fable 5.

11 July 2026

The hero film in C++. Zero lines written by hand.

The hero film on tokentek.ai is a path-traced drone flight over an aperiodic landscape. A from-scratch C++ renderer with CPU, CUDA and Metal backends, built and rendered in one day by Anthropic Fable 5 in Claude Code. Zero lines written by hand.