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Ask HN: What Are You Working On? (April 2026)

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Re: Ask HN: What Are You Working On? (April 2026)

#102

Post by boutell »

I've been busy adding postgres and sqlite support to apostrophecms:

https://apostrophecms.com

Six months ago, that would have been unrealistic, because we're heavily committed to the mongodb API and we make it part of our own API.

Starting in December though, Opus 4.6 made it perfectly realistic to pursue this with Claude Code as a series of personal weekend projects.

Now, despite not having any official resources on this until the last week or so, it should land in May.

This doesn't work for everything. It absolutely helps that the problem I'm solving is an "adapter pattern" problem: "make X talk like Y." And that we have a massive test suite, at multiple levels. That combination makes "here's the problem, go solve it, grind until the tests pass, don't bother me for a few hours" a realistic AI agent request.

But it's a little mind-blowing all the same. The hype around AI is so out of control, it can be easy to miss genuine "holy crap" moments.

Along the way I've written a fair bit about how to run Claude Code autonomously on your household server in a reasonably secure manner:

https://apostrophecms.com/blog/how-to-be-more-productive-wit...)

Also general Claude Code tips and thoughts on workflows that help and workflows that ultimately just speed your burnout:

https://apostrophecms.com/blog/claude-code-part-2-making-the...

I know, everybody's writing this stuff, but the desire to share is natural.

(Disclaimer: I'm part of the demographic AI was trained on. If I tried not to sound like a bot, I'd have to sound like... well, somebody else)

Re: Ask HN: What Are You Working On? (April 2026)

#103

Post by nowami »

I'm working on Ruly, a daily number/logic puzzle where you set rules on a grid.

https://playruly.com

My goal is to make a simple yet interesting procedural and replayable puzzle. It has a couple of weekly variations: on Saturdays you need to break a rule to score max points, and on Mondays there's an added memory aspect which brings variety to the game.

It's mostly vibe-coded which lets me focus on game design and testing. The next step is better onboarding/tutorial and more intuitive UI.

Re: Ask HN: What Are You Working On? (April 2026)

#106

Post by dbaronmo »

On making tools for things I once had to do iteratively. I want to use some of my free time to see if people will use my programs. The last one I have been working on is a curve-fitting web app (https://fittapp.streamlit.app/).

I do a lot of data science and analytics in my real job.

Re: Ask HN: What Are You Working On? (April 2026)

#107

Post by tunesmith »

I'm working on https://concludia.org, a site that helps groups of people collaborate on arguments and conclusions. I don't really have any revenue plans for it currently as I suspect it will be rather niche -- I certainly wouldn't mind if it tops out as a small community of users -- but I've found it super useful in various contexts at work and at home.

You can read more about it over at the site, but it allows you to construct and validate arguments in a graphical form, and it has truth/proof propagation so you can see whether a conclusion is currently considered valid or contested. You can create counterpoints where you think the argument breaks down, and strengthen arguments from there. Some upcoming plans are to allow users to validate arguments for themselves, like mark which parts they understand and agree with so they can collapse that part of the graph, and to add more mcp capability so that LLM can help you construct and validate new arguments.

Re: Ask HN: What Are You Working On? (April 2026)

#108

Post by ramoz »

Still doing https://plannotator.ai

I use it daily and so do others, for - better UX, feedback, and review surfaces for ai coding agents.

  1. Plan review & iterative feedback. 

  2. Now code review with iterative feedback.
Free and open source https://github.com/backnotprop/plannotator

Re: Ask HN: What Are You Working On? (April 2026)

#110

Post by boutell »

marcusdev wrote: post #54

I'm working on a fully offline, client-side train journey planner for UK rail - https://railraptor.com When booking flights, I use sites like Kiwi and Skyscanner that let you do flexible searches - multiple destinations, custom connections, creative routes, etc. But rail search feels oddly constrained. All the UK train operators offer basically the same experience, and surface the exact same routes. I always suspecte…

I love this! Dijkstra's Algorithm is always a fun time
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