Kai Jenkins

Thoughts

Ideas from building AI products and the systems around them.

Long-form notes on applied AI, frontend architecture, design systems, evaluation, and the decisions that help software hold up in production.

Views expressed here are my own and do not represent those of my employer or any organization I'm affiliated with.

Latest thoughts

4 articles

  1. 8 min read

    Claude Opus 4.8 Is a Complete Yapper

    Why Opus 4.8's overthinking feels like a regression from Opus 4.6, and why Sonnet 4.6 remains my daily driver.

  2. 9 min read

    Three LeetCode Problems Won't Find You a Great Engineer

    One coding problem can establish a useful baseline. Three in 45 minutes test interview preparation more than the judgment experienced engineers use at work.

  3. 7 min read

    Every Website Should Have an llms.txt

    Why agent-readable Markdown makes websites cheaper to navigate, easier to search, and more useful, and why my portfolio now has a résumé for agents.

  4. 14 min read

    Turning Design-System Documentation Into a Reliable Knowledge Base

    What I learned turning Mach Core documentation from a browsable website into trustworthy context for people, AI assistants, and agentic tools.