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Show HN: Code Beacon – filter files and show call graphs in Ruby

https://marketplace.visualstudio.com/items?itemName=bitfiddle.code-beacon
1•jconley88•21h ago
I was so excited to see "Enough AI copilots! We need AI HUDs" (https://news.ycombinator.com/item?id=44705445)

Not specifically because of the AI perspective, but because of the broader recognition that we need better development tooling. I spend a lot of time thinking about how developers work, reason about and mentally model software. I was specifically excited because of the example "HUD" that Geoffrey chose to share: "A custom debugger UI which visualized the behavior of my program".

Yes, please, I agree. That type of code flow interface should exist everywhere. So *I built one*. Ruby is my pilot language, but more will come later.

Code Beacon is a VS Code extension that analyzes and displays tracing data from a Ruby tracer gem. At its core, it filters non-application traces and rolls up the raw trace to a much smaller call graph so you can easily see and navigate to what files/classes/methods got run and how they interact.

It's not finished at all, but it's a start and it should mostly work. If it doesn't and you want to let me know, I'll fix it. It doesn't work in containers, it's not in all marketplaces yet, it will fall over if your call trace exceeds 10MB, and it could be a lot more performant. The UI/UX needs refinement and I'm sure there are plenty of bugs and edge cases to address.

I would love to hear your thoughts!

Comments

puuush•4h ago
Maybe for the 'HUD' idea, the best screenshots to show that, besides the video?

Massachusetts to offer discounted electric rates to heat pump owners this winter

https://www.wbur.org/news/2025/07/30/massachusetts-heat-pumps-electric-rate-winter-discount-newsletter
1•westurner•1m ago•0 comments

Linus still uses an RX580 also ditches Apple Silicon for an Intel laptop

https://www.tomshardware.com/tech-industry/linus-torvalds-still-uses-an-amd-rx-580-from-2017-also-ditches-apple-silicon-for-an-intel-laptop
1•aoli-al•1m ago•0 comments

Enterprise software giants weaponize AI to kill discounts and deepen lock-in

https://www.theregister.com/2025/08/01/forrester_ai_enterprise_software/
1•rntn•2m ago•0 comments

Accessing the Kubernetes API from SQL Server 2025

https://dbafromthecold.com/2025/07/31/accessing-the-kubernetes-api-from-sql-server-2025/
1•mliezun•5m ago•0 comments

The Garden Token Factory – Reinventing Token Launch Stack

https://taikai.network/en/blog/inside-garden-token-factory
1•felltrifortence•5m ago•1 comments

In California, an invasive mustard is destabilizing desert plant communities

https://news.mongabay.com/2025/07/in-california-an-invasive-mustard-is-destabilizing-desert-plant-communities/
1•PaulHoule•5m ago•0 comments

Reddit wants to be a search engine now

https://www.theverge.com/news/717095/reddit-q2-2025-earnings-search-engine
1•thm•8m ago•1 comments

GPT-5 is already (ostensibly) available via API

https://old.reddit.com/r/OpenAI/comments/1mettre/gpt5_is_already_ostensibly_available_via_api/
2•consumer451•11m ago•0 comments

Show HN: I built a YouTube Thumbnail generator with your face

https://www.newhero.ai/
1•timzhangyuxuan•12m ago•0 comments

Meschers: Geometry Processing of Impossible Objects

https://dl.acm.org/doi/10.1145/3731422
1•smonsays•13m ago•0 comments

Harvard Business School Pricing Lab Tariff Tracker

https://www.pricinglab.org/tariff-tracker/
3•Erikun•16m ago•0 comments

Record-breaking baby born from oldest ever embryo

https://news.sky.com/story/record-breaking-baby-born-from-oldest-ever-embryo-13404622
1•thunderbong•18m ago•0 comments

AI Quiz Maker

https://minform.io/use-cases/ai-quiz-maker
1•eashish93•18m ago•0 comments

Delusions of Grandeur Go South

https://paulkrugman.substack.com/p/trumpbrazil-delusions-of-grandeur
2•rbanffy•19m ago•0 comments

The Rule of Law Is Dead in the US

https://www.thenation.com/article/politics/the-rule-of-law-is-dead-in-the-us/
3•mrtesthah•20m ago•1 comments

AI that splits bills from a photo and voice (multilingual)

1•VladCENTEA22•20m ago•0 comments

The Making of Amazon Prime (2019)

https://www.vox.com/recode/2019/5/3/18511544/amazon-prime-oral-history-jeff-bezos-one-day-shipping
1•johnnyballgame•21m ago•0 comments

SuperClaude v3 – Advanced Development Framework for Claude Code

https://superclaude-org.github.io/
1•l2dy•23m ago•0 comments

Ask HN: How does MCP tool calling work?

1•revskill•24m ago•0 comments

Portfolio Builder – Create Professional Portfolio in 2 Minutes with GitHub

https://portfoliomatic-builder.vercel.app/
1•Georgii007•27m ago•1 comments

Andrew Ng and Yann LeCun: US Is Losing AI Race Due to Closed Models

https://haebom.dev/archive?post=1q3vdn2p97v8xmxy49pr
2•haebom•27m ago•1 comments

Ask HN: Which software companies hire people in Africa for remote work?

2•DanieleProcida•28m ago•0 comments

Tim Cook Has Now Been Apple's CEO for Longer Than Steve Jobs

https://www.macrumors.com/2025/08/01/tim-cook-apple-ceo-for-longer-than-steve-jobs/
1•tosh•28m ago•0 comments

What I have learned about startups from building my own

1•Taikhoom10•28m ago•0 comments

Live coding interviews measure stress, not coding skills

https://hadid.dev/posts/living-coding/
66•mustaphah•33m ago•24 comments

NASA intern loses job after profanity-laced tweet to Space Council fellow

https://www.the-independent.com/tech/nasa-intern-job-loss-twitter-homer-hickam-space-council-a8503241.html
2•Bluestein•33m ago•1 comments

Global ocean simulations examine tritium release from Fukushima

https://physicsworld.com/a/global-ocean-simulations-examine-tritium-release-from-fukushima/
1•sohkamyung•35m ago•0 comments

Google knows who visited. Stripe knows who paid. I built the missing link

https://www.getboone.com/
1•Lrodd•36m ago•2 comments

Ask HN: Is manually discovering and configuring MCP servers the only way?

1•bingwu1995•36m ago•3 comments

Study mode and spaced repetition. Feature requests, Monetization ideas?

https://app.polymax.ai/study-mode
1•sjayasinghe•39m ago•1 comments