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Channel: Labnotes (by Assaf Arkin)
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Weekend Reading — Skeletons in the closet

Neatnik "Everything can be accessible." 🎉🎉🎉 Fastmail just approved Expense’s OAuth client. I believe we's now the first expense tracking app that can collect receipts from Fastmail (and JMAP in...

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Expense: One receipt, once

There are four ways for the same receipt to enter Expense: forward it by email, drag the file into the editor, let the MCP tool fetch it, connect a mailbox and have it imported for you. Each route used...

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Finding things in Expense

The search box on the expense list in Expense understands fields now. report:, category:, and merchant: match exactly, case-insensitive, and description: matches anywhere in the description. Values can...

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Weekend Reading — It’s a good day to have a great day

Steven Hoefer Fold I love this. ❤️ It's yet another one-person app coded with AI that solves the eternal todo list problem. Sounds utterly redundant, but when you're not building for a huge target...

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How Expense reads a receipt

Every receipt that lands in Expense has to become structured data: merchant, date, amount, category. A language model can do that, but model calls cost money and seconds, so the pipeline is designed...

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Cmd+K at Expense

Expense now has a command palette. Press Cmd+K anywhere (Ctrl+K on Windows and Linux) and type what you want to do. Go somewhere, add something, search, export. The mouse is optional. Some of the keys...

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Weekend Reading — At the POST office trying to GET my mail

A nosy polar bear and a lucky squirrel: Wildlife Photographer of the Year 2026 shortlist Some wildlife photos for your viewing pleasure. The world is changing. This weekend we got a post about the...

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Connect FastMail: your receipts move from inbox to Expense

Most expense apps only auto-import receipts from Gmail accounts. Expense now works with FastMail — this is how it works, what it gets right, and what it lacks. I built Expense for people who file taxes...

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Weekend Reading — FRAP aka as "the zoomies"

Clarissa "What if we kissed on the Cray supercomputer loveseat?" Vibe coding and quality "When you hear that some app was “vibe coded”, how much quality do you expect?" I was just wondering about this...

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Reconcile

And I made a cool thing in Expense that I find incredibly useful. Once a month comes along and I have my statements, I import the PDFs into Expense and let it reconcile the expenses. It looks up if the...

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Weekend Reading — Kanban it

nivs I second that recommendation: An Update on Leaving Gmail for Fastmail. I've been using FastMail for over a year now and I like the progress they're making adding useful new features to the app....

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Fixing USPS Informed Delivery

How I Replaced USPS Informed Delivery With a Cleaner Email Digest So I read this article and I just thought, why not try it out myself? I like Informed Delivery because it emails on days when I receive...

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Weekend Reading — The Stalk Market

Karel Titeca "Richard Scarry already summarized everything there is to know about cyber security, about 50 years ago." Yes, I just asked DeepSeek V4 to run a security audit of my code, because why not?...

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Prompt For Progress

Me just asking DeepSeek to make my app go faster, to which it replies with: The cumulative effect across all the changes so far: the list page went from 6 DB queries to 4 (removed merchants + cached...

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Weekend Reading — The least you can do

a brief history of consumption This week I completed developing the expense report app. This is the software that I am working on for getting all my tax stuff together – receipts, mileage and what not....

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Expense — receipt tracking for easier tax filing

$9.20 to vibe-code an app into existence in one week. It's made of 38,000 lines of code and 15,700 lines of comments. Tests make up about 21% of the code. Spec size is about 3,200 words.I understand...

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Weekend Reading — The elderly health category

Pixelcats "Opened the mail .. Derpy arrived early! SQUEE!" Did I just vibe-code an app because I didn’t like the new UI? Why yes I did. I’ve been using Expensify for many years to keep track of my...

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The Art of War, Applied to Litigation

I have an AI agent that helps me handle legal cases. It's not a lawyer, but I can iterate with it for hours on different scenarios, work on collecting evidence, ask clarifying questions, etc. It...

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Weekend Reading — Industrial complex

Laura Tech Stuff MacPaw releases CleanMyMac CLI for cleaning developer and AI environments on macOS I love that it's a CLI, super easy to use, and cleans up your developer caches, build artifacts, and...

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Weekend Reading — I am so far behind on my procrastination

Cat "Jeez, would you look at the time?" Tech Stuff InkLeaf Foldable screen, but not a phone — an e-Ink tablet on which you can read and write. Stylus included. In defense of not understanding your...

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