I asked it to build a fastapi backend that gives me a dashboard showing my subscriptions over the past year. It took about 30s. I had to ask it once to include a bar chart and sort by ascending time, not descending.
Crazy.
Even did an amazon data export and made it pull that inβ¦
13.03.2026 21:19
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@simonwillison.net AI + personal finances is π₯π₯π₯
I highly recommend beancount + telling Claude to build a "deterministic build-type workflow to reimport and rebuild from scratch each time" for finances. Then updating classification rules becomes conversations about python code.
13.03.2026 21:19
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$ cat ~/.local/bin/gits
#!/usr/bin/env bash
[[ "$@" == "tatus" ]] && git status
iykyk
12.03.2026 12:22
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Is βZulu choirβ similarly sloppy?
08.03.2026 20:56
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Dammit; now I have to use semicolons, properly curled curly βquotesβ, and Silly Jokesβ’ to distinguish myself from LLMs. What will they come for next, my interrobangβ½
It's not just us with a pedantic writing style and unnecessary knowledge of the Mac option-keystrokes sufferingβit's everyone.
04.03.2026 19:24
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I think my questions to Claude would be considered βleadingβ rather than neutral, but those are the questions I had π€·ββοΈ
I don't feel neutral about this.
Life is difficult, and our time is so brief. I cannot fathom why you would go out of your way to make things harder and inflict suffering on people.
02.03.2026 15:52
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I ran across this, and did some research so you don't have to.
Is this real? It's easy to fake official-looking documents if some "DocumentCloud" link is all you have.
Yes: You can find the policy here: www.bop.gov/PublicInfo/e...
Is this evil?
Yes. Claude's analysis: claude.ai/share/13caa0...
02.03.2026 15:48
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Out of curiosity, what system are you using for the diagrams? They're really pretty!
02.03.2026 01:31
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Glad I was at a stoplight when I hit the part of @grahamformaine.bsky.socialβs amazing interview on @podsaveamerica.crooked.com where he described having come to oppose US wars.
βI know whatβs itβs like when American-made high explosives interact with childrenβ left me weeping.
01.03.2026 22:28
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Statement on the comments from Secretary of War Pete Hegseth
Anthropic's response to the Secretary of War and advice for customers
www.anthropic.com/news/stateme...
It seems hard for everyone to believe that A\, and the founders in particular, simply mean what they say. I guess that's rare these days?
28.02.2026 01:44
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These layoffs made no sense: one of the people I know who got laid off was absolutely killing it with AI, performing massive migrations across hundreds of apps.
26.02.2026 22:31
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Getting laid off in March of last year was one of the best things that has happened to me.
26.02.2026 22:31
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To all my friends at Block who just got laid off today, I'll repeat what I posted in the squaremafia Slack:
fwiw, after the faint buzzing in your ears and feeling of drifting unmoored through unreality wears off in a couple hours, you get to enjoy the feeling of profound relief.
26.02.2026 22:31
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5 authors I've read at least 5 books by (silly answers only edition):
- Theodor Seuss Geisel
- "Franklin W. Dixon"
- Bill Watterson
- Jack Chick
- Moses
22.02.2026 15:58
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My Soham Parekh coefficient is and always will be β€ 1, but I swear with Claude Code you could really push it if you wanted to
05.01.2026 22:56
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Trifling - Your Projects
@simonwillison.net since Iβm going to be out of town (so can sacrifice my home network!) and just told hackernews about it, you might find trifling.org cute
(news.ycombinator.com/item?id=4642...)
29.12.2025 16:03
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Days later, I finally finish #adventofcode day 10 part 2, using my matrix reduction library from past years, and then further searching over free variables with the smallest ranges.
Imagine my surprise when I got on Reddit, and found that this is _not_ a crazy over-complicated solution! Holy heckβ¦
27.12.2025 02:52
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Last I knew, Square (payments) only licensed the use of the domainβ¦
12.12.2025 15:45
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(It also triggers a recursion limit bug in CC after an hour or two, but I've reported that π)
06.11.2025 16:13
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Do you have trouble getting Claude not to stop? I eventually created a stop hook that tells it (kindly) to keep going, and to ask sub-agents if it needs advice/help. Every hour or so, it tells it to ask subagents to review code and look for architecture/refactor opportunities. Seems to work okβ¦
06.11.2025 16:11
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My modest proposal for Democratsβ messaging in upcoming elections: βJoe Biden proved conclusively that even a dead president is better for the economy than Donald Trumpβ
06.11.2025 16:02
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Coding without typing the code
Last year the most useful exercise for getting a feel for how good LLMs were at writing code was vibe coding (before that name had even been coined) - seeing β¦
@simonwillison.net suggests coding without actually typing the code
Honestly, I'm surprised that anyone with an unlimited token budget is *not* doing this. I've been coding since I was 12 (in 1987), but my job is emphatically no longer typing "if" "x" ">" "3" ":"
simonwillison.net/2025/Oct/16/...
17.10.2025 17:11
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Oh, also, I am absolutely _not_ a frontend person.
Crazy times, my programmer friends, crazy timesβ¦
05.10.2025 02:07
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I'm in the process of getting Claude to write an entire fake backend system for a fairly large React web-app by intercepting the network calls with service workers (package MSW).
It's amazing.
Now, I'm using browser-use Claude to find bugs, using a prompt/instructions written by the first Claude!
05.10.2025 02:06
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Came downstairs from work on Friday, and all three of my brothers were sitting in the living room! They live in Toronto, Waco, and LA, and had conspired to fly in for my 50thβ¦ π
31.08.2025 21:13
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Why is "I'd like to restrict outbound internet connections from my project to a small allowlist, but still be able to talk to all the normal AWS/GCP things I _have_ to talk to to operate" such an infuriatingly difficult thing? It can't be uncommonβ¦
18.08.2025 21:59
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That surprising feeling when your `terraform apply` actually works, without errors! So unexpected. And it only took 9 commits in my PRβ¦
10.07.2025 22:11
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Now I want to give Claudius sub-agents whose context is stuffed with apenwarr Google housing market simulation articles and can run simulations and report back. MBA in a box! π
28.06.2025 00:49
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Does it specify the tokenizer, or is everyone just using OpenAI's Byte Pair Encoding?
21.06.2025 19:18
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