mager.co

Always learning. Always eating. Chicago.

日本

The Japan trip

Three weeks in Japan, and a top-ten list in the works. Two of the nights that already made it:

May 2026
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Kotsu, a site I built to learn Japanese.

Open kotsu.org → Read how I built it →
Technology All posts →
  1. 01

    Build your own AI harness: plexus, gbrain, and retiring OpenClaw

    I stopped running someone else's agent harness and built my own in about 250 lines of TypeScript — plexus — then plugged it into gbrain for memory. Here's the whole setup and how it fits together.

  2. 02

    SkillOpt: gradient descent for your SKILL.md

  3. 03

    OpenHuman — an open-source agent harness that learns who you are

  4. 04

    What Karpathy's CLAUDE.md taught me about my own setup

  5. 05

    Killing OpenClaw for a native Claude Code setup

  6. 06

    gbrain: Migrating My AI Brain From Flat Files to Semantic Memory

  7. 07

    Claude: Anthropic just shipped most of OpenClaw

  8. 08

    The Compounding Agent: Why Hermes Is More Than Just a Pretty TUI

  9. 09

    Claude: How prompt caching actually works

  10. 10

    How I make tokens last longer

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