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Ask HN: What are you working on? (May 2025)

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Re: Ask HN: What are you working on? (May 2025)

#71

Post by clone1018 »

Timely posting! I've been inspired by some recent... large gaps in data at work (silent analytics processing failures) to build a service called QueryCanary. It's a surprisingly powerful but simple tool that lets you define scheduled SQL checks to run against your database, and then checks those results for anomalies, variances, and other issues.

Really hoping to get some early feedback on this tool, I've been using it for two production sites for about a week now and I've already discovered (at work) that we've had the 2nd largest user signup day, and that we deployed a change that inaccurately tracked a specific metric. Check it out at https://querycanary.com

Re: Ask HN: What are you working on? (May 2025)

#72

Post by csnate »

https://pwnscan.com

A binary static analysis tool that identifies vulnerabilities.

Right now, still just focused on buffer overflows. It can find some known CVEs and I’ve made several reliability improvements over the past month or so.

I think I’m going to expand to additional vulnerability types soon.

Re: Ask HN: What are you working on? (May 2025)

#73

Post by plankers »

modeling the heat transfer modes in Enceladus' icy shell that rests above its liquid water ocean. previous modeling has assumed that all heat transfer is conductive, but using dynamical simulations i've shown that under certain conditions convection can occur at in the shell. specifically, these conditions are having a thick enough ice shell, the right amount of porous fluffy ice deposited from the plumes at Enceladus' south pole which jet water into space through fissures in the crust, and the right thermal conductivity of this porous layer.

now i'm starting on adjusting the model to include the liquid water ocean underneath the shell and observe the effect of changing viscosity gradients in the equilibration of the ocean and ice shell, as well as adding in compositional impurities (chloride brines) and tidal heating effects.

Re: Ask HN: What are you working on? (May 2025)

#74

Post by Etheryte »

corlinp wrote: post #53

Check out Voibe: https://github.com/corlinp/voibe Open source Mac-native menu bar app for speech to text using GPT-4o-transcribe (current STT SOTA)

Whenever speech to text apps come up, I get curious how people use them in their workflow. I've tried to integrate it into my daily work a few times, but have found myself dropping it not too long after. If I'm already at a keyboard, I just don't seem to find any case where I don't prefer that as an input. What are other people using these for?

Re: Ask HN: What are you working on? (May 2025)

#75

Post by bishopsmother »

Expanding the functionality of Wabbit S2[0], e.g. Sesame AI[1], and improving existing features based on feedback over the last few weeks of Mabel's testing.

[0] https://blog.walledgarden.ai/2025-05-20/wabbit-s2-welcome-to...

[1] https://www.sesame.com/research/crossing_the_uncanny_valley_...

Re: Ask HN: What are you working on? (May 2025)

#76

Post by acenturyandabit »

runarberg wrote: post #45

I am restarting my free and open source SRS kanji learning app https://shodoku.app which is based on free and open source dictionary data and Anki’s FSRS algorithm. What I have is a basic flash card app with double sided cards (for writing (i.e. drawing) the kanji, and reading). What sets it apart is that each card contains all the relevant dictionary data, and users are encourage to bookmark a couple of words to hel…

Love the aesthetic! Also your handwriting input is super smooth, amazing!

I've been building something similar for Chinese, just for myself: https://hazel.daijin.dev/ It's got PWA, let me know if you want my presets for working with PWA with Vite.

Will definitely be taking a few pages out of your (app) when I get a chance!

Re: Ask HN: What are you working on? (May 2025)

#77

Post by [deleted] »

cryptoz wrote: post #57

The plan: You are a PM and Engineer - and so is the AI. You both write tickets and you both complete them to iterate on your code. https://codeplusequalsai.com You can build webapps very quickly, especially AI-enabled ones, and deploy them on a subdomain. Other users can sign up and use your webapp, and any tokens they use will be billed to them and you will get a large cut (80%) of the margin earned on the tokens bi…

[deleted]

Re: Ask HN: What are you working on? (May 2025)

#78

Post by ramoz »

Context and “memory” (not really a fan of this term and how industry uses it) are actually complex to manage for power users including humans and agents.

While it may sound counterintuitive, the agents of today aren’t truly autonomous in that you need to really guide them and plan their actions well.

I believe this is true today, and will be even more true when agents are guiding agents.

We need new infrastructure for dynamic context management.

The answer is not as simple as “hook up your agent to an MCP that pull docs from the web” … also MCP needs its own revolution. I tend to use no MCP and prefer raw agent performance.

I’m evolving the simple concepts I built in my VS Code extension to address this. Nothing public now, but I and a few others use this everyday to feed parts of large codebases into Gemini (to build plans for Claude code, other coding agents): https://github.com/backnotprop/prompt-tower

Re: Ask HN: What are you working on? (May 2025)

#80

Post by RobinL »

I've been experimenting with whether I can use LLMs to produce interactive maths explainers for kids. There are a few examples here: https://rupertlinacre.com/

Unless I'm missing something, it's amazing how few free, _high quality_ materials are online.

Ultimately I'm interested in two things: genuinely fun games that make you do some maths, and quality visualisations that help make concepts easier to learn

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