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Show HN: A proof-of-concept formalization of the IRS federal tax forms

https://github.com/emmilco/us-tax-model
27•RGS1811•1d ago•3 comments

Show HN: Overtone – Transcribe, correct and cut captions for any screen shape

https://github.com/lonthq/overtone-captions
13•rvanderlinden•3h ago•0 comments

Show HN: Typebook.lol read books by typing the letters only

https://typebook.lol/
6•vegnus•1h ago•8 comments

Show HN: OpenArcanum – An End-to-End Encrypted Alternative to Discord

https://github.com/hyperkubeorg/openarcanum/
2•SamInTheShell•18m ago•0 comments

Show HN: Sidekeys – Turn an iPhone into a Mac display and agent control deck

https://sidekeysapp.com/
2•cmillstein•22m ago•0 comments

Show HN: Auto Dismiss Mac OS "Allow <app> to find devices on local networks?"

https://github.com/johncassil/dontallow
45•johncassil•1h ago•41 comments

Show HN: phpClaw – AI agent runtime for PHP with tools, memory and guards

https://github.com/phpclaw-php/phpclaw-monorepo
10•akashpatel7204•2h ago•3 comments

Show HN: Fitness Functions for Dbt Projects

https://github.com/tjirab/tff
2•bartschuijt•1h ago•0 comments

Show HN: Academic Ancestry – See Who taught the people who taught you (Launch)

https://academicancestry.org/
3•Codeblackwell•1h ago•0 comments

Show HN: GenesisDB – The event sourcing database, is now open source

https://www.genesisdb.io/blog/posts/2026-10-24/genesisdb-2-is-open-source
13•patriceckhart•1h ago•0 comments

Show HN: DissPair APK– Portable BLE and Bluetooth Classic Security Testing

https://github.com/threadpoolx/DissPair
2•threadpoolx•2h ago•0 comments

Show HN: Pho – TUI for GitHub PRs

https://github.com/utkarsh261/pho
2•stag•2h ago•0 comments

Show HN: Radix - A WebGPU-powered 3D Gaussian Splat renderer built on Three.js

https://sparkjs.dev/radix/
9•dmarcos•3h ago•0 comments

Show HN: Witnessory – a signed record of the web's move to post-quantum crypto

https://witnessory.org
6•parthod0x•4h ago•0 comments

Show HN: Capo-S3 – a typed, async-first S3 client for Python

https://pypi.org/project/capo-s3/
11•karpetrosyan•3h ago•2 comments

Show HN: An open-source app for IELTS preparation

https://github.com/Luxshan2000/ielts-prep
2•luxshan_t•3h ago•0 comments

Show HN: local-first CVE triage app in Rust

https://github.com/Fazmin/cve-intel
3•FazzzMin•3h ago•0 comments

Show HN: Pretty Git Tree – Your Git history as generative art

https://hmillerbakewell.github.io/pretty-git-tree/
3•hda-hda•3h ago•0 comments

Show HN: Playmat – Browser client for XMage, the open-source MTG engine

https://github.com/arcanite24/playmat
2•arcanite24•3h ago•0 comments

Show HN: SLCR – An open standard for agent-native software requirements

https://slcr.dev/
3•robbiemckinstry•4h ago•1 comments

Show HN: Wanim – Manim in the browser, but 1/20 smaller

https://github.com/Acfboy/Wanim
3•Acfboy•4h ago•0 comments

Show HN: I rebuilt Kubernetes for ESP32 microcontrollers

https://github.com/arterialist/kube32
5•Arterialist•4h ago•1 comments

Show HN: SlideBySide – Present slides without sharing your screen

https://slidebyside.com/
76•denismenace•1d ago•34 comments

Show HN: Dead APIs – a graveyard for the integrations that left us

https://deadapis.dev/
2•gertjandewilde•6h ago•0 comments

Show HN: Howler, a macOS menu bar AI that burns the chat after reading

https://github.com/HiAriesZhou/Howler
3•AriesIMio•6h ago•1 comments

Show HN: Yavashark: I've Built a JavaScript Engine Every Day for 950 Days

https://yavashark.dev/blog/announcing-yavashark/
37•sharktheone•1d ago•3 comments

Show HN: I got tired of travel spreadsheets so I made a travel planner app

https://www.wherewhen.cc
10•stavros•10h ago•5 comments

Show HN: Squishy 3D helpers powered by Three.js

https://prathje.github.io/plushies/
15•prathje•1d ago•9 comments

Show HN: A Truly Modular Keyboard

https://github.com/notaroomba/keybytes
318•NotARoomba•4d ago•115 comments

Show HN: Full Python 3.15 Implemented in 25k LoC C11

8•soasme•23h ago•6 comments
Open in hackernews

Show HN: Auto Dismiss Mac OS "Allow <app> to find devices on local networks?"

https://github.com/johncassil/dontallow
45•johncassil•1h ago
This popup has been a constant gripe of mine for years. I almost NEVER want to allow this permission and there is no system setting to disable it globally and prevent the popup from interrupting your typing, etc. This tiny swift app I built will autoclose it in 1/4th of a second and leave behind a little notification that it did so. Would love to hear feedback!

Comments

poszlem•1h ago
Yes. Thank you. This is such a simple thing that should be a part of the operating system, and in the ideal world it would be. This is the perfect problem for the LLM to solve, because the reason it does't exist in the system is a decision by some stupid PM at Apple, and not an actual system constraint.
klodolph•1h ago
It’s just a choice of which key to use. I don’t think it was some decision made with this intent, I think it is just the unexpected result of a decision.
johncassil•56m ago
I maintain that Steve Jobs would have taken the engineers to task over this poor UX.
browningstreet•1h ago
Thanks. It’s macOS' own cookie banner and dick bar.

It’s weird they haven’t just made this a menu flag…

LoganDark•1h ago
"One Swift file" except it's two Swift files
hmokiguess•1h ago
One bunch of Swift
johncassil•57m ago
oof, it was originally one, forgot about the refactor lol
HughParry•1h ago
side note but what is the consensus on figuring out whether small brew packages like this one are malicious?

I'm sure this one probably isn't, but I have no clue how I would know whether it is without reviewing the source code myself (or pointing an agent at it etc)

sigmoid10•1h ago
Basically the question for any executable code (or even just any data) that you let on your machine and which did not go through independent vetting processes. The question you need to ask is if the benefit (getting rid of an annoying popup) is worth the risk of a distribution method that is trivial to compromise.
hmokiguess•1h ago
so we are back at choosing where we draw the line and you picked this one to get us going
johncassil•56m ago
Good question -- I have been pointing claude at repos for security reviews before I install stuff now for exactly this reason.
ShinyLeftPad•43m ago
It's so funny to read these, as if countless examples didn't prove that llms don't actually distinguish between your instructions and the data they read at your request.

Do you think a malicious repo author won't think of hiding a suitable prompt within?

NavinF•
john_strinlai•1h ago
this is exactly the type of app that makes me excited to see what the future will hold with ai. any regular joe or jane can now realistically solve many of their small annoyances with little effort and no experience.

(not saying this is ai or not, i have no idea, just speaking generally)

scosman•1h ago
Yes! I got annoyed that I had to manually close old finder/preview windows, so I OSSd an app that closes any stale window. There have been commercial apps in this space a decade, but none worked how I wanted (per window not per app, config each app separately). So I just made it with Claude using some spare tokens at the end of the week. You can customize anything to be the way you like it now.

https://github.com/scosman/Squeegee

johncassil•53m ago
This particular item never been a problem for me because I incessantly close everything after I am done with it but it is super cool that we can ask AI to dig into the weeds for us now and fix our annoyances -- or even search repos online where someone else had and fixed this problem
eastbound•53m ago
The first app I will do is Spotlight. Its insistence on finding everything across the universe except applications is tiring.

We're getting free from our software!

LoganDark•4m ago
Sometimes I am shocked by how blind Spotlight is. I will have something in my applications folder with a straightforward name -- say, Steam.app -- and it will keep picking the shortcut generated by CrossOver for the Windows version of Steam, that is nested inside a bunch of subfolders. Wtf? I ended up renaming the CrossOver version to WinSteam so it stops prefix-matching.
nottorp•1h ago
Hmm another gripe of mine. Mac OS's vnc brings a popup that steals your focus when someone connects to the machine while you're physically in front of it.

I know it's well intentioned but I have this weird setup where I am almost constantly keeping vnc on from my laptop to my desktop. And the mbpro randomly wakes up to do whatever, even when not used, which reactivates the vnc connection, which pops up a warning on my desktop, which steals my focus.

Anyone knows a way to disable that? Possibly just for connections from a specific other machine.

Edit: as for this app, I think the OS only asks once for a new app? I don't remember being asked a second time even when denying it.

I could also whine a bit about "this app wants to access files on a removable volume" since my desktop has a thunderbolt ssd plugged in for extra space...

johncassil•42m ago
https://forums.macrumors.com/threads/repeated-allow-google-c...

You can see other people with tens of instances of the same app in the settings for this

InsideOutSanta•55m ago
Can I have the opposite, a tool that automatically clicks on "allow"? I installed the app, it's fine.
johncassil•48m ago
I assume that is a quick fork and publish, but seems scary lol
mostlysimilar•47m ago
Sometimes you need to use a particular piece of software but don't want all of its functionality. You're allowed to want some but not all.
ASalazarMX•33m ago
I don't know what Apple is looking for. The iPhone ships with a Weather app preinstalled, you allow it to your location so it can warn of severe weather, and several weeks later "OMG WEATHER APP IS USING YOUR LOCATION!!11!".

Same with MDM agents. Ours are installed automatically as part of the Apple Business Manager configuration, we manually grant them precise location in the background, and months later "HEY USER, WANNA BLOCK LOCATION FROM 'MDM SERVICE'?".

Edit: To avoid replying to the two following comments with the same reply, my gripe is not about the notification, that's a good thing; my gripe is with their implementation, which seems very in tune with Apple's way of complying with regulations. There are definitely many user-friendly ways to handle privacy compared to seemingly random notifications.

VCFundedGenYer•31m ago
That was due to antitrust pressure such that they did not self-prefer their own apps.
ShinyLeftPad•45m ago
Have a problem with pesky permissions dialogs from sandboxed apps? This unsandboxed unverified app that requests Accessibility permissions, to the rescue!
jshier•36m ago
I'd rather something tell me exactly why this popped up in the first place, as every new OS version seems to introduce more triggers. I have apps that now pop this up when I quit, which doesn't make much sense.
tobi_bsf•34m ago
Says a lot about the state of Mac OS.
bigwheels•33m ago
Did Apple hire some of the folks who created Windows 11?
skissane•12m ago
The big problem with these permission dialogs, is their lack of technical detail about what the app is actually trying to do which triggers them.

How do I know whether to say "Allow" or "Disallow" when it gives me no idea what either option actually means in concrete?

mschuster91•9m ago
> Chromium browsers (Chrome, Brave, Edge, Island, Arc) copy their own app bundle into a random temp folder at launch so the code signature survives in-place updates. macOS keys the Local Network decision to that random path, so the next launch looks like a brand-new app.

OH DEAR GOD that explains so much other cursed behavior, including the "do you want to allow google chrome helper to show notifications" always reappearing. or teams. or anything that does autoupdates.

> Nothing on a typical Mac needs this permission except a printer or scanner utility, a media server, or a LAN-discovery tool, and those you answer once and they're done.

This is wrong. Browsers and media players need it because that is how multicast discovery for stuff like Chromecast works. Spotify, same thing. And Steam plus virtually all games with LAN multiplay for the same reason. Did I note already that Steam also has an autoupdater and so does Spotify and... argh.

Apple really needs to fix the very first point, preferably in a way that doesn't force app developers to ship a "helper" binary.

(Side note: it might even be the case that opening the file picker may be enough, if you got network-discoverable paths in your Finder Locations sidebar, but i'm too tired to test that one out...)

33m ago
> countless examples

Show me just one where a frontier model got prompt injected when checking if code if malicious.

FWIW I can do this, but I bet you can't.

ShinyLeftPad•29m ago
Here's prompt injection via a harness for example: https://www.promptarmor.com/resources/google-antigravity-exf...

took me about 30 seconds to find. there's tons of them. of course it's an arms race, the models get better the harnesses get better the attackers get better but again: for the model itself, your prompt and third party data it reads are the same thing (input). as long as it is true, the attack will always be possible.

poszlem•52m ago
That's why I like small, open source projects like this one. I don't have to figure out if it's malicious. I just fork it, then ask claude to review the code, then run my own fork.
ASalazarMX•31m ago
Even if they're not malicious, there's no guarantee that they won't become malicious in the future. Prefer living off the land, and install only the very essential extras.
sam1714•31m ago
The first scenario is due to anti-trust complaints forcing Apple to treat their pre-installed apps identically to third-party ones. (Also why you can "delete" system apps.)
bdavbdav•27m ago
Doubly annoying as it asks for the widget separately.
cwmoore•14m ago
So many smart people and yet such a stupid timeline. Usability psychology is well documented.
InsideOutSanta•30m ago
I didn't say you weren't. I'm asking for myself, not for you.
mostlysimilar•15m ago
Okay, to me it reads like a lazy swipe. You seem to be aware of the power of AI to build you whatever you want, so why ask this question like this? It seems like you're just trying to tell people they should fully trust the software they install.
nobleach•16m ago
So you're kinda looking for a "I want to allow this software to do whatever it wants - I accept all risks?" button? And with each new update you're re-evaluate?
prepend•11m ago
Yeah. That’s how installing an exe has worked for a long time.