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RR

Rayline routes Claude Code subagents to on-device and cheaper models

Hi HN, I’m one of the builders of Rayline. Rayline is a Claude Code compatible LLM gateway. It intercepts and overrides claude code’s internal routing and lets you route subagent calls to different models instead. For example, you can run the main agent on Opus, some subagents on cloud-hosted open models, and other subagents on-device. We’ve seen others implement routing for claude code as tools the agent can invoke. In our experience, that doesn’t work well because it requires the main agent to use tokens to think about + call the tools, and LLMs are generally a very inefficient way to make routing decisions. By implementing Rayline as a gateway, we let users deterministically configure routing decisions, and you can optionally use our ML model to make routing decisions. We built it after noticing that Claude Code sessions contain a lot of subagent calls that don’t all need the same model. Other routers exist, but we built Rayline to let us continue using claude code (no separate harness), route tasks at a subagent level, and route across cloud and on-device. The main agent often benefits from Opus. But many delegated calls have narrow scope: search the repo, summarize context, inspect an error, poll for CI updates, etc. The thing we’re exploring is subagent-level routing. The main cost lever in coding agents is usually cached vs non-cached input. Subagent delegations are a natural point to make routing decisions because you avoid busting cache. We look at the message-thread context for a delegated call and choose a model for that call. At a task level, Sonnet and Haiku are almost always less capability-per-dollar than open models, so the main advantage is better + (much) cheaper subagents (60-90% in our private beta). The whole world seems to have started talking about model routing in the past two weeks, so apparently others agree it’s a relevant product area. We’d love to get feedback from the HN community!

DO

DomainTasker

Show HN: DomainTasker – avoid losing domains and surprise renewals

IP

I ported Xonotic (arena FPS) to WebAssembly with full P2P multiplayer

Show HN: I ported Xonotic (arena FPS) to WebAssembly with full P2P multiplayer

AC

ABC Classic 100 Rankings visualised

This weekend is the ABC Classic FM countdown, which prompted me to dust off an old un-published data visualisation of rankings from previous years. I've considered adding a search function, but I also kind of like that it requires a bit of exploration in the current form. Some of the code is a bit clunky and I wouldn't mind refactoring it. I'm also not sure about browser compatibility - I've only got access to a couple of devices to test it on.

ME

Mercek

Hey HN I've been using ECS for a while now and found it annoying having to log into the console everytime I use Lens for Kubernetes but couldnt find an equivalent for ECS so i built one! The project is open source as well https://github.com/utibeabasi6/mercek

CL

ClearLogo

Show HN: ClearLogo – a logo API that returns usable logos, not raw files

GR

GrayCloud

I miss Dark Sky, so I built my own weather app. Here's how GrayCloud works: * Raincast: minute-by-minute rain prediction and accumulation tracking for your exact location * Forecasts: 10 day forecasts use multiple high resolution sources and correct for bias at your location. * Alerts: rain starting, stopping, severe weather, daily summary and more * Widgets: home and lock screen widgets * Multi-platform: apple watch and mac apps I use NOAA and ECMWF models for core weather data and a custom model to compute rain accumulation and the next 60 minute radar movements. I also offer Apple WeatherKit as an alternative weather source.

HY

Hydron

Hi HN, this is Prashant from H2Loop. Embedded engineers that we work with were annoyed that generic AI tools hallucinated register addresses, generated code for peripherals that don't exist on the chip and mixed up timer quirks between similar platforms like STM32F4 and F7. The code looks clean but it just won't boot. This made them go back to the datasheet every time. So we built Hydron, an AI tool that writes datasheet-grounded code for your hardware. Demo: Hydron setting up sleep-mode CPU logging for an onboard temp sensor on an STM32U385 - https://boot.hydron.sh/zzzDemo First, we've pre-indexed 580+ platforms and peripherals. Most of what you'd use in a robotics, UAV, or IoT build: common dev platforms like STM32, ESP32, RP2040, AM6 families, plus the IMUs, GNSS modules, motor drivers, and baros that ship around them. Ask about a peripheral, the answer comes from our KG and the actual datasheet. Second, you can bring your own context and share it with your team. Hydron indexes PDFs up to 5000 pages, plus a whole host of various file types and even ZIPs of full C/C++/Python codebases up to 250MB. One engineer indexes the HW, BSPs, and datasheet pack once. Anyone else can reference it from their own Hydron agent. Third, HW-SW development happens in your editor or terminal. Agentic serial monitor is live today. GDB integration, and an AI log reader land in the next two weeks. Up next, we're focused on closing the hardware-software loop. We're building more HIL debugging capabilities, deeper target awareness, and support for additional platforms. If you work on embedded SW we'd love your feedback on where today's tools fall short and what you'd like to see next. Install: VS Code extension - https://marketplace.visualstudio.com/items?itemName=H2Loop.h... CLI mac/linux -> curl -fsSL https://get.hydron.sh/cli/install.sh | bash. CLI windows -> irm https://get.hydron.sh/cli/install.ps1 | iex More at http://boot.hydron.sh/HN. 200 free credits, 50% off on paid plans, one-step signup. Me and u/ajithhyd will be in the thread all day.

OT

Open Terminal

Show HN: Open Terminal – A Bloomberg Style App for Research

BD

Boxes.dev: ditch localhost; run Claude Code and Codex in the cloud

Hi HN, we’re Nick and Drew, and we’re building boxes.dev – the first cloud-only agentic dev environment (ADE) that gives every Codex and Claude Code agent its own cloud computer. We’re two engineers who previously built Gem (co-founder/CTO and first hire), and we spent the last year coding almost exclusively using Codex and Claude Code. It’s been a huge change to how we code, and it’s been exhilarating seeing the models keep getting better – but we eventually realized that developing on localhost was holding us back: - Git worktrees are clunky to set up and use for parallelizing work - It’s 2026, but somehow everyone is still walking around with laptops cracked open or SSHing into mac minis in their garage so their agents don’t stop working. - Mobile is treated like an afterthought even though coding is just texting now We started hitting resource constraints when multiple parallel agents test their own work by running the full app locally. - We tried different products, but couldn’t find any that solved all of our pain points – so we pivoted and decided to just build the ADE we wanted for ourselves. Boxes.dev is a desktop and mobile app that lets you run Claude Code, Codex (using your subscription!), and the full dev environment for whatever you’re building, all on remote compute. It’s similar to Conductor or the Codex desktop app, except everything is in the cloud. We use coding agents to scan your local dev setup and port it to the cloud. Then every Claude Code/Codex thread starts from a snapshot of the full setup, with its own filesystem and compute. No more git worktrees, no more cracked-open laptops, and your coding agents can actually test their work end-to-end because they can run your full app in isolation. We’ve mirrored the Claude Code and Codex UX to feel natural to power users, and also have a fully-featured mobile app (no handoffs or remote control), plus scheduled automations and a Slack integration. We’re obviously biased, but we’ve been building boxes.dev with boxes.dev for months and it’s honestly been a gamechanger. It’s hard to go back once you realize how much localhost has been limiting you; based on early feedback from beta testers, we’re increasingly sure that cloud is the future of agentic coding. We’d love for you to experience it yourselves! Would appreciate any feedback – and happy to answer any questions on this thread.

SL

ssh late.sh

So first, what are we? A Clubhouse inside the terminal, where people can take a break, chill, chat with others all around the globe, listen to music, play some games, or paint on a live artboard :). ssh late.sh (or use the companion CLI) That's all. No passwords. No OAuth. No accounts. Your SSH key is your identity. Honestly, I've been a little nervous to post this. I wanted the Clubhouse to be something I'm genuinely proud of before sharing, and I think we are finally there :) There is so much here, so I'll really try to focus on the core: - full-scale chat, mentions, rooms, public and private, DMs, reactions, image previews, full-quality images, icon picker, anything you need - music, hop into the YouTube booth (WebView using wry) to listen to the community playlist, submit, vote, skip, or listen to 600+ server tracks divided into three categories (lofi, ambient, classical) - games, single and multiplayer, sudoku, minesweeper, tetris, snake, nonograms, poker, blackjack, chess, and much more. Leaderboards and badges! First truly server-wide game is in the PR! - live artboard, think r/place but in a TUI, draw, paint, or just enjoy. Daily and Monthly snapshots, check them out here: https://late.sh/gallery - shop, buy a new fully-dynamic bonsai to take care of, or maybe a new aquarium, fill it with ASCII fish, or what about a new pet to play with? Quests, daily and weekly + streaks to help you win more chips - news, rss/atom feeds, connect your own, share with others, auto-generated summaries with a nice ASCII thumbnail shared globally - directories, a dedicated space to showcase your projects, another to build your "work" profile, and it all rolls up into your live web profile: https://late.sh/profiles (someone has already been hired thx to it!), and another one for co-op tools, right now a canvas builder inside the TUI - and the NEWEST addition, VOICE chat :) without a browser! This has already grown into a team effort. Amazing people, amazing contributions, amazing vibe. Big ones in the pipeline: more BBS/full-scale server, real-time games :) Hop in, take a break and enjoy ;) Code: https://github.com/mpiorowski/late-sh Landing: https://late.sh Demo: https://late.sh/play License: FSL-1.1-MIT

U(

Uruky (EU-based Kagi alternative) now has Image Search and URL Rewrites

You can get a 2h free trial by solving a proof-of-work captcha when topping up your account for the first time. If you'd like to learn more, an independent interview was posted a couple of weeks ago [1], and the FAQ [2] has a lot of information as well. For the source code sharing, we've talked with lawyers and are inclined to no longer require the NDA/NCC for privacy reasons shared with us before (signing requires identification), but instead use a source-available permissive license that doesn't allow competition, like PolyForm Shield [3] (we do still have about 6 months before finalising a decision, here). This does come with a lot more risks for us (it's harder to track down if someone publishes the code or uses it against the license), but given we've already passed 100 monthly active accounts, we're feeling more confident it's an acceptable risk. The plan is to give logged in accounts (who are 12 months old or more) a way to download a ZIP of the current code base that's in the server. Obviously there's no easy way to prove that's the case, but we're open to ideas/suggestions if someone here has them. [1]: https://theprivacydad.com/interview-with-the-engineer-of-uru... [2]: https://uruky.com/faq [3]: https://polyformproject.org/licenses/shield/1.0.0