Private circulation Issue 04

Field Notes

A weekly dispatch from the edges of the knowledge graph.

Week of

Apr 13–Apr 19, 2026

12 sources / 40 insights

Five things worth knowing

1
Hila Shmuel Claude
Cabinet: AI-First Knowledge Base with Document Processing and Inline Web App

> Meet Cabinet: Paper Clip + KB. for quite some time I've been thinking how LLMs are missing the knowledge base - where I can dump CSVs, PDFs, and most important - inline web app. running on Claude Code with agents with heartbeats and jobs https://t.co/P74OlaAeCZ https://t.co/rAqW7DEkhh > **Quoted @

2
Josh Wolfe
WNDRD PRVKE Backpack System for EDC and Travel

> 1/ cool article > > I love backpacks + mostly use WNDRD PRVKE

3
wincy.eth AI Trading
Trending GitHub Finance Repos: AI Trading Agents and Open-Source Tools

> the fastest growing GitHub repos in finance this week: > > 1. shiyu-coder/Kronos (+6.5K ★)

4
Jeffrey Emanuel AI Agents
AI Skills Marketplace Success: Tax and Estate Planning Tools Generate $1000+ Savings

> I recently posted about my elaborate tax preparation and consulting skill on my skills site, https://t.co/Un9brY3dST, and was pleased by the amount of interest it generated. > > I've also heard from at least 5 different people who all saved at least $1,000 on their taxes using the skill, with one

5
Garry Tan AI Agents
Agentic Engineering: Fat Skills, Fat Code, Thin Harness Architecture

> This is the simplest distillation of what I have learned about agentic engineering this year > > Push smart fuzzy operations humans do into markdown skills. Fat skills.