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Show HN: A tool to manage a swarm of coding agents on Linux

https://github.com/penberg/swarm
4•penberg•1h ago•1 comments

Show HN: I built a Cargo-like build tool for C/C++

https://github.com/randerson112/craft
149•randerson_112•17h ago•136 comments

Show HN: Hindsight Simulator – Go back in time and get rich

https://chrispattle.com/hindsight-simulator
3•pattle•26m ago•0 comments

Show HN: A security scanner for AI Agent Skills

https://github.com/Fangcun-AI/SkillWard/tree/main
4•mayziem•1h ago•0 comments

Show HN: Druids – Build your own software factory

https://github.com/fulcrumresearch/druids
52•etherio•1d ago•11 comments

Show HN: Run GUIs as Scripts

https://github.com/skinnyjames/hokusai-pocket
2•zero-st4rs•2h ago•0 comments

Show HN: Rust based eBook library for Python, with MIT license

https://github.com/arc53/fast-ebook
23•larry-the-agent•11h ago•2 comments

Show HN: CSS Studio. Design by hand, code by agent

https://cssstudio.ai
153•SirHound•22h ago•95 comments

Show HN: Moon simulator game, ray-casting

https://mooncraft2000.com
105•JKCalhoun•3d ago•24 comments

Show HN: Guruka.com – free guided mediations. No signup, private, works offline

https://guruka.com/
25•eummm•19h ago•8 comments

Show HN: Linear RNN/Reservoir hybrid generative model, one C file (no deps.)

https://raw.githubusercontent.com/bggb7781-collab/lrnnsmdds/refs/heads/main/lrnnsmdds
7•adinhitlore•11h ago•2 comments

Show HN: 41 years sea surface temperature anomalies

https://ssta.willhelps.org
143•willmeyers•21h ago•65 comments

Show HN: Orange Juice – Small UX improvements that make HN easier to read

http://oj-hn.com/
138•latchkey•1d ago•155 comments

Show HN: Mdpdf a 2k line C CLI to convert Markdown to tiny PDFs

https://github.com/schicho/mdpdf
8•bastscho•17h ago•3 comments

Show HN: A (marginally) useful x86-64 ELF executable in 301 bytes

https://github.com/meribold/btry
62•meribold•3d ago•19 comments

Show HN: Is Hormuz open yet?

https://www.ishormuzopenyet.com/
457•anonfunction•1d ago•202 comments

Show HN: Unicode Steganography

https://steganography.patrickvuscan.com
55•PatrickVuscan•2d ago•13 comments

Show HN: I pipe free sports streams into Jellyfin – no ads, just HLS

https://github.com/pcruz1905/hls-restream-proxy
114•pruz•1d ago•35 comments

Show HN: Go-Bt: Minimalist Behavior Trees for Go

https://github.com/rvitorper/go-bt
61•rvitorper•1d ago•12 comments

Show HN: We built a camera only robot vacuum for less than $300 (well almost)

https://indraneelpatil.github.io/blog/2026/robot-vacuum/
106•indraneelpatil•4d ago•55 comments

Show HN: Brutalist Concrete Laptop Stand (2024)

https://sam-burns.com/posts/concrete-laptop-stand/
782•sam-bee•2d ago•235 comments

Show HN: TUI-use: Let AI agents control interactive terminal programs

https://github.com/onesuper/tui-use
52•dreamsome•1d ago•37 comments

Show HN: I built a navigation app that displays weather along the route

https://navimodo.com/
55•vkatluri•3d ago•25 comments

Show HN: Skrun – Deploy any agent skill as an API

https://github.com/skrun-dev/skrun
59•frizull•1d ago•11 comments

Show HN: SmolVM – open-source sandbox for coding and computer-use agents

https://github.com/CelestoAI/SmolVM
6•theaniketmaurya•9h ago•1 comments

Show HN: I made a skill to tell AI on how to use human as Dobby

https://github.com/LittleLittleCloud/Dobby
4•BigBigMiao•10h ago•0 comments

Show HN: Zoneless – Open-source Stripe Connect clone with $0.002 fees using USDC

https://github.com/zonelessdev/zoneless
14•tinyprojects•19h ago•6 comments

Show HN: Memoriki – LLM Wiki+MemPalace for persistent personal knowledge bases

5•Aianback•11h ago•0 comments

Show HN: Agent Tuning, using recursion to achieve predictable agent output

https://github.com/adam-s/agent-tuning
5•dataviz1000•11h ago•0 comments

Show HN: An interactive map of Tolkien's Middle-earth

https://middle-earth-interactive-map.web.app/
287•frasermarlow•2d ago•69 comments
Open in hackernews

Show HN: A website to track live music attendance

https://www.showcount.com/
3•henryrobbins00•1d ago
TL;DR: I built a website that allows users to track the concerts they've been to. If you have strong opinions about engineering/design or how shows should be tracked (festivals, venues, etc...), I'd love to get your input!

For the past ~5 years, I've been tracking the shows I attend on my personal website (https://love-music-will-travel.henryrobbins.com). It's fun to see things like distance traveled and how many times I've been to certain venues. I know many friends who also track their shows through notes, ticket stubs, Excel, etc... It always bummed me out that I couldn't pore through their concert data myself...

showcount.com is my solution to that desire. It's essentially a public version of my old personal website, where anyone can make an account and manage a show list (mine is https://www.showcount.com/user/love-music-will-travel).

I'm currently on the lookout for other live music lovers and/or data nerds to try out the site and give opinions on various design choices. If any of the following topics are of interest to you, please reach out!

- How should venue name/location changes be handled? - How should music festivals be handled? - I have an initial version of an AI parser for loading in existing show lists; how can this be made more robust? - What else should have first-class tracking support (e.g., friends in attendance)?

As an aside, this project is also my first experiment with full-on vibe-coding / harness-engineering. I began the project with Cursor and then switched to Claude Code. I've been programming for the better part of a decade, mostly Python and Java. Full-stack development is relatively new to me. I include the tech stack below. Most decisions were made pragmatically based on what I thought would get me to a first version of the site as quickly as possible.

- Next.js web app hosted on Vercel - Fast API backend service (for the AI parsing) hosted on Railway - Supabase - Observability through Axiom (logging), PostHog (analytics), and Sentry (monitoring) - Clerk for user authentication - Google Maps API for venue locations - Claude API for the AI parser - Terraform for infra-as-code