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Show HN: Endorphin AI–Run browser E2E tests from plain English with QA AI agent

https://endorphinai.dev
2•papapin777•7m ago•0 comments

Show HN: Typeform was too expensive so I built my own forms

https://www.ikiform.com/
121•preetsuthar17•7h ago•70 comments

Show HN: Ten years of running every day, visualized

https://nodaysoff.run
8•friggeri•31m ago•0 comments

Show HN: A Chrome Extension to Reveal SaaS Sprawl, Shadow IT, and Waste

https://www.hapstack.com/
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Show HN: MCP server for searching and downloading documents from Anna's Archive

https://github.com/iosifache/annas-mcp
220•iosifache•19h ago•69 comments

Show HN: Pg-when– psql extension for creating time values with natural language

https://github.com/frectonz/pg-when
2•jossephus01•1h ago•0 comments

Show HN: FlopperZiro – A DIY open-source Flipper Zero clone

https://github.com/lraton/FlopperZiro
330•iraton•23h ago•72 comments

Show HN: CXXStateTree – A modern C++ library for hierarchical state machines

https://github.com/ZigRazor/CXXStateTree
3•zigrazor•3d ago•2 comments

Show HN: Petrichor – a free, open-source, offline music player for macOS

https://github.com/kushalpandya/Petrichor
178•kushalpandya•18h ago•97 comments

Show HN: BreakerMachines – Modern Circuit Breaker for Rails with Async Support

https://github.com/seuros/breaker_machines
39•seuros•4d ago•17 comments

Show HN: I rebuilt few years old project and now it covers my expenses

https://www.hextaui.com/
2•preetsuthar17•2h ago•0 comments

Show HN: I built a playground to showcase what Flux Kontext is good at

https://fluxkontextlab.com
40•Zephyrion•15h ago•12 comments

Show HN: I Built an AI Agent Ecosystem That Optimises Your Google Ads for You

https://groas.ai
2•ttttransformer•3h ago•2 comments

Show HN: I built an app to turn my kids' questions into podcasts

https://wonderpods.app
11•lielvilla•4h ago•8 comments

Show HN: OffChess – Offline chess puzzles app

https://offchess.com
360•avadhesh18•2d ago•162 comments

Show HN: I made a tool to make LinkedIn posting feel less like a chore

https://www.linkgenie.one/
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Show HN: Virby, a vfkit-based Linux builder for Nix-Darwin

https://github.com/quinneden/virby-nix-darwin
17•qeden•4d ago•1 comments

Show HN: I rewrote an outdated React Native map clustering library

https://github.com/suwi-lanji/rn-maps-clustering
30•hadat•1d ago•7 comments

Show HN: NYC Subway Simulator and Route Designer

https://buildmytransit.nyc
196•HeavenFox•3d ago•31 comments

Show HN: Jukebox – Free, Open Source Group Playlist with Fair Queueing

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120•skeptrune•2d ago•43 comments

Show HN: A rain Pomodoro with brown noise, ASMR, and Middle Eastern music

https://forgetoolz.com/rain-pomodoro
99•ShadowUnknown•1d ago•50 comments

Show HN: Still coding in VC++ 6.0 after losing everything, living in a trailer

13•CodeAndExile•13h ago•6 comments

Show HN: I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics

https://alpha.lisagui.com/
509•ayaros•3d ago•141 comments

Show HN: Pyhoff – Connect Python ML Models to Beckhoff/WAGO IO Hardware

https://github.com/Nonannet/pyhoff
7•Saloc•1d ago•2 comments

Show HN: Stravu – Editable, multi-player AI notebooks with text, tables, diagram

9•wek•1d ago•1 comments

Show HN: From Photos to Positions: Prototyping VLM-Based Indoor Maps

https://arjo129.github.io/blog/5-7-2025-From-Photos-To-Positions-Prototyping.html
55•accurrent•4d ago•2 comments

Show HN: NotebookLM Web Importer

https://chromewebstore.google.com/detail/notebooklm-web-importer/ijdefdijdmghafocfmmdojfghnpelnfn
2•wonderfuly•6h ago•0 comments

Show HN: Modernized file manager and program manager from Windows 3.x

https://github.com/brianluft/heirloom
74•electroly•3d ago•17 comments

Show HN: Ossia score – A sequencer for audio-visual artists

https://github.com/ossia/score
93•jcelerier•2d ago•14 comments

Show HN: I built a tool to solve window management

https://aboveaverageuser.com/smartswitcher
53•atommachinist•2d ago•67 comments
Open in hackernews

Show HN: I built a playground to showcase what Flux Kontext is good at

https://fluxkontextlab.com
40•Zephyrion•15h ago
Hi HN,

After spending some time with the new `flux kontext dev` model, I realized its most powerful capabilities aren't immediately obvious. Many people might miss its true potential by just scratching the surface.

I went deep and curated a collection of what I think are its most interesting use cases – things like targeted text removal, subtle photo restoration, and creative style transfers.

I felt that simply writing about them wasn't enough. The best way to understand the value is to see it and try it for yourself.

That's why I built FluxKontextLab (https://fluxkontextlab.com).

On the site, I've presented these curated examples with before-and-after comparisons. More importantly, there's an interactive playground right there, so you can immediately test these ideas or your own prompts on your own images.

My goal is to share what this model is capable of beyond the basics.

It's still an early project. I'd love for you to take a look and share your thoughts or any cool results you generate.

Comments

shekhar101•13h ago
I tried a picture with instructions and it says "something went wrong". I would love to try and see how well it works for my use case.
Zephyrion•6h ago
I'm so sorry you ran into that, and thank you for reporting it. This is exactly the kind of feedback I need at this early stage.

You're right, my backend logs show that most requests are succeeding, which means there must be an error happening somewhere between the front-end and the server that I'm not catching properly yet.

Based on this, implementing a more robust error logging system is now my top priority. I'll get on it right away so I can find and fix these issues for everyone. Thanks again for giving it a try.

mg•13h ago
Cool. Are you running the model on your own server?
Zephyrion•6h ago
Thanks! Not yet. To get this launched quickly and validate the idea, I'm currently using a cloud API to handle the inference.

However, my plan is to eventually deploy the model on my own server. I'll be sure to document the entire process—from setup to optimization—and share it as a detailed guide on the site for anyone interested!

vunderba•11h ago
Kontext's ability to make InstructPix2Pix [1] level changes to isolated sections of an image without affecting the rest of the image is a game changer. Saves a ton of time without needing to go through the effort of masking/inpainting.

About a month ago I put together a quick before/after set of images that I used Kontext to edit. It even works on old grainy film footage.

https://specularrealms.com/ai-transcripts/experiments-with-f...

> My goal is to share what this model is capable of beyond the basics.

You might be interested to know that it looks like it has limited support for being able to upload/composite multiple images together.

https://fal.ai/models/fal-ai/flux-pro/kontext/max/multi

[1] https://github.com/timothybrooks/instruct-pix2pix

mpeg•3h ago
I had a project for a big brand a couple years ago where we experimented with genai and inpainting and it was a huge hassle to get it working right, required a big comfy pipeline with masking, then inpanting, then doing relighting to make it all look natural, etc.

It's crazy how fast genai moves, now you can do all that with just flux and the end result looks extremely high quality

winterrx•9h ago
Cool, but how are you paying for the inference if it's free?
Zephyrion•6h ago
That's a great question. Right now, the inference costs are coming out of my own pocket. My main goal was to let people experience the model's potential without any barriers.

To keep the project sustainable in the long run, I'm exploring some options, like potentially offering a paid tier for heavy users or more advanced features. For now, I'm focused on improving the core experience and will do my best to keep costs low so it remains accessible to as many people as possible.

merelysounds•8h ago
I was able to try it with one image, I liked the results and wanted to try something more complex. However, I started getting error messages: "Processing Failed An unexpected error occurred. Please try again.", retrying didn't help.
Zephyrion•6h ago
Glad you liked the first result. And ugh, sorry you hit that error on the second go. You're right, that "unexpected error" message is pretty useless. Better error handling is at the top of my to-do list now.
roenxi•7h ago
One of the issues with staggered releases is they are easy to forget about. BFL have apparently made the weights to the Kontext Dev model available, but because it didn't happen when they announced Kontext I'd compeltely forgotten about it.

These models look fantastic, we've finally got something solid in the public sphere that goes beyond stable diffusion style word vomit for prompting. It was obviously coming sooner or later, but happily it seems to be here. It is unfortunate for the public that, as far as I can see, they didn't actually open the weights up since they aren't free for commercial use.

fazza999•7h ago
Keeps saying "something went wrong" for a variety of images / requests. Can't say I'm hugely impressed. MidJourney does it flawlessly.