🛠️ All DevTools

Show HN: Papercrane-CLI – a BI tool built for Claude Code

Launch HN: Context.dev (YC S26) – API to get structured data from any website Hi Hacker News, I’m Yahia.<p>I built Context.dev (<a href="https:&#x2F;&#x2F;www.context.dev&#x2F;">https:&#x2F;&#x2F;www.context.dev&#x2F;</a>) to make it really easy to integrate web data into your products and agents.<p>Here’s a demo video: <a href="https:&#x2F;&#x2F;www.tella.tv&#x2F;video&#x2F;build-faster-with-context-dev-apis-2cgl" rel="nofollow">https:&#x2F;&#x2F;www.tella.tv&#x2F;video&#x2F;build-faster-with-context-dev-api...</a><p>Since it’s an API, here are the docs: <a href="https:&#x2F;&#x2F;docs.context.dev&#x2F;quickstart">https:&#x2F;&#x2F;docs.context.dev&#x2F;quickstart</a>.<p>You can send us a URL and get back clean Markdown, rendered HTML, screenshots, extracted images, etc.. You can also send us a domain and get company or brand context: name, description, logos, colors, fonts, social links, screenshots, style information, and related metadata. For more custom use cases, you can send a URL plus a JSON Schema and ask us to extract structured data from the site into that shape. For example, you might ask for pricing plans, product categories, office locations, support links, integration partners, or anything else that is visible on the public site.<p>The goal is to give developers the output they actually want. Raw HTML is rarely the useful thing; the useful thing is usually Markdown for a model, JSON for an application, a logo for a UI, or a structured company profile for an agent.<p>Before, I worked at Amazon and Sunrun, and co-founded StockAlarm.io &amp; essense.io, both of which were acquired. Also, I built knifegeek.io, which scraped pocket knives from across the internet and listed them easily. The project is outdated now (coming back soon) but back then it hit the frontpage of hacker news and people seemed to like it: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=34604281">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=34604281</a>.<p>Just before Context.dev, I built Brand.dev. The idea was that your software product should automatically know about your customer if they sign up with a corporate email. The API pulled brand data such as logos, backdrops, name, description, industry, and more from the public web and surfaced it to your product to integrate as part of their onboarding experience. That’s worth doing because conversion rates on onboarding improve dramatically when you go from “enter all this info” to “confirm all this info” (and there was never any privacy concern all the information is public).<p>That was a nifty niche, but the more customers used it, it became obvious that “brand data” was only one slice of a larger need. People started asking for things like screenshots, structured extraction, and LLM ready data. So I expanded to Context.dev, and applied to YC (got rejected after an interview), then kept going and re-applied at which point I got in as a solo founder.<p>People use Context.dev in more ways than I can list, but here are some: keeping context up to date on customer websites for chatbots - building beautiful brand assets&#x2F;ads for customers - enrichment flows using agent harnesses like eve.dev - crawling customer websites into chatbot knowledge bases - turning GitHub repos into branded docs sites - academic journal and PDF crawling. There are a ton more examples at <a href="https:&#x2F;&#x2F;www.context.dev&#x2F;customers">https:&#x2F;&#x2F;www.context.dev&#x2F;customers</a>.<p>We know that many crawlers are not behaving like good citizens on the web, and the entire space has a bad reputation as a result. At the same time, customers are not usually trying to buy “scraping”. They are trying to make a support bot work, personalize onboarding, enrich CRM records, generate docs, monitor leads, or let an agent research a company. There are lots of legit use cases. We want to satisfy those while being respectful of everyone involved.<p>We maintain a caching layer and avoid hammering websites. Customers can configure the cache, but if we find we’re sending too many requests to a url in a certain amount of time, we step in and tone it down. Websites can opt out of our service, and we respect these requests and add them to our block list.<p>We focus on customers who want to build cool things for their users. Enriching onboarding is a popular use case. So is integrating context about their own websites (things like support bots), and building agents that can automatically reason about complex tasks involving the internet.<p>We only allow customers to use brand data to identify a specific customer on their software, you cannot use it in your own materials or to imply endorsement.<p>I&#x27;d love to hear your feedback about the product in the comments, thanks!

Show HN: LastShelf – an emergency map of your family's documents bills& contacts After my father was diagnosed with Stage 3 kidney cancer, my family was thrown into a tailspin. Getting second opinions, planning surgery, ensuring insurance coverage, coping with the fear. It was a lot to process.<p>In the middle of dealing with all the medical logistics, I realized none of our family could answer if he: - Had a medical directive? - How to trigger his life insurance policy? - Where is his will and who is the executor? - What bank accounts and credit cards existed? - What bills are not on auto-pay? - When these bills due and how are they paid?<p>That wasn’t solved by password managers or budgeting apps. So I built it.<p>LastShelf: automatically discovers, documents and distributes a map of critical life documents, expenses &amp; contacts in the event of an emergency. Register here: <a href="https:&#x2F;&#x2F;www.lastshelf.ai&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.lastshelf.ai&#x2F;</a><p>If you’ve lived through a similar crisis, I really want to hear what would have made the process easier.<p>Anyone who shares their feedback with me will get the first year free. Send a note to support [at] lastshelf.ai

Show HN: Analog Watch

Maxwell's Equations Were Discovered [video]

Introducing Muse Spark 1.1

Show HN: EvenKeel – a free financial planning chatbot EvenKeel is an LLM-powered chatbot that helps with budgeting, financial planning, retirement savings, tax optimization, etc.<p>It is a harness around Gemini 3 Flash Preview that provides a library of skills for things like: evaluating a house purchase, insurance planning, portfolio asset allocation, etc. as well as tools for doing financial math and Monte-Carlo simulations.<p>You can upload files as well as chat, and as you go, it updates a &quot;Financial Picture&quot; with relevant facts about your situation, so you can see what data has been collected, track goals, etc. this picture along with recent chat interactions is fed into the model each turn so the most important details are always in context.<p>Your data can be exported or account deleted from the Settings page at any time, or you can interact anonymously until LLM spending gets too hot.<p>Hope you find it helpful!

Show HN: FableCut – A browser video editor AI agents can drive (zero deps)

A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

Source code for Unturned, a free open-world zombie survival sandbox game.

Bonnie Tyler, singer of Total Eclipse of the Heart, dies aged 75

Why developers are ditching GitHub for Codeberg and self-hosting alternatives

Spider venom kills varroa mites without harming honeybees

Show HN: Cyrinx (36kbps Acoustic Transport) Working with Fable 5, a MacBook, and a Pixel phone, I built an acoustic transport library that is several orders of magnitude faster than existing SoTA open source options like ggwave, quiet, minimodem, or Chirp.<p>Paper: <a href="https:&#x2F;&#x2F;cyrinx.org&#x2F;cyrinx-acoustic-link.pdf" rel="nofollow">https:&#x2F;&#x2F;cyrinx.org&#x2F;cyrinx-acoustic-link.pdf</a><p>Apache 2.0 source: <a href="https:&#x2F;&#x2F;github.com&#x2F;dweekly&#x2F;cyrinx" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;dweekly&#x2F;cyrinx</a>

MIRA: Multiplayer Interactive World Models Trained on Rocket League <a href="https:&#x2F;&#x2F;mira-wm.com&#x2F;blog-post&#x2F;" rel="nofollow">https:&#x2F;&#x2F;mira-wm.com&#x2F;blog-post&#x2F;</a>

We made Grok 4.5, GPT-5.5, and Claude build the same apps

The family of a man shot by the Tennessee National Guard demands video release

Show HN: I ran 70 MCP servers in a sandbox and logged what they do

Creatine doesn't just build muscle. It may also help fight cancer