Private circulation Issue 03

Field Notes

A weekly dispatch from the edges of the knowledge graph.

Week of

Apr 6–Apr 12, 2026

12 sources / 44 insights

Five things worth knowing

1
JJ Englert Claude
Automating Tax Prep and Bookkeeping with Claude Cowork

> I used Claude's Cowork to do my bookkeeping and tax prep this year. First time I didn't dread the process. > > Wanted to share how I set it up because I think a lot of people could do this.

2
Wes Roth Claude
Claude Code Introduces /ultraplan for Cloud-Based Development Planning

> Anthropic rolled out /ultraplan for Claude Code in preview, a new feature that shifts the complex planning phase of AI-assisted software development from the local command line directly to the cloud. > > When a developer triggers the command, Claude drafts the implementation strategy remotely, lea

3
Claude Performance Optimization Using Environment Flags

> If Claude's quality has been falling off a cliff for you over the past few days, try: > > CLAUDE_CODE_DISABLE_1M_CONTEXT=1

4
Andrej Karpathy Claude
The Growing Gap in AI Capability Perception Between Coders and General Users

> Judging by my tl there is a growing gap in understanding of AI capability. > > The first issue I think is around recency and tier of use. I think a lot of people tried the free tier of ChatGPT somewhere last year and allowed it to inform their views on AI a little too much. This is a group of rea

5
Noah Zweben Claude
Claude Monitor Tool Enables Background Scripts and Event-Driven Workflows

> Thrilled to announce the Monitor tool which lets Claude create background scripts that wake the agent up when needed. > > Big token saver and great way to move away from polling in the agent loop