I'm working on "Cargo but for C". It started out as something marginally more useful than vendoring your dependencies as submodules + baking in the knowledge of how to build a bunch of common projects. I realized, though, that there was somehow a huge gap in the insane world of C build tools. There's nothing that: - Lets you pin really precisely and builds everything from source (i.e. no binary repository) - Does not…
Ask HN: What Are You Working On? (December 2025)
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Re: Ask HN: What Are You Working On? (December 2025)
#342Re: Ask HN: What Are You Working On? (December 2025)
#343Re: Ask HN: What Are You Working On? (December 2025)
#344Working on a house renovation project in SketchUp, I wanted the same workflow I use with Claude Code: describe what I need in natural language, let AI write and execute the code, iterate quickly.
So I built a bridge. Python MCP driver talks to a Ruby extension inside SketchUp via JSON-RPC. Claude Code can now write Ruby scripts, execute them directly in SketchUp, take screenshots to verify results, and introspect the model - all without leaving the conversation.
Still very early (macOS only, requires SketchUp 2026), but it's already useful for repetitive tasks and parametric designs. "Create a spiral staircase with 15 steps at 18cm rise" is more fun than drawing it manually.
https://github.com/darwin/supex https://github.com/darwin/supex/tree/example-simple-table
Re: Ask HN: What Are You Working On? (December 2025)
#345https://feedbun.com - a browser extension that decodes food labels and recipes on any website for healthy eating, with science-backed research summaries and recommendations.
https://rizz.farm - a lead gen tool for Reddit that focuses on helping instead of selling, to build long-lasting organic traffic.
https://persumi.com - a blogging platform that turns articles into audio, and to showcase your different interests or "personas".
Re: Ask HN: What Are You Working On? (December 2025)
#346Re: Ask HN: What Are You Working On? (December 2025)
#347It was a mud style game in beta that ended up getting axed in the early 2000s (?) but it was brilliant and a few of us stuck around in it long after we should have.
If anyone has heard anything about it, let me know!
About all I can find publicly so far https://x.com/hellcowkeith/status/885362337384878080
Re: Ask HN: What Are You Working On? (December 2025)
#348Building an always-on recommender system for pilots and dispatchers at major airlines.
Oh man it's been fun.
Re: Ask HN: What Are You Working On? (December 2025)
#349On a personal note, I’ve been trying to lean into my fears more. Disassembling binary was always something I knew would be helpful to know but I kind of avoided, so I think this is helps with that a little.