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kraa.io• 11h ago• 1 min read
Show HN: Text editor and light-weight publishing platformHello HN!There is an obvious abundance of choice when it comes to text editors, but they all seem to be either too simple and minimal, or overly complex, distracting and difficult to use. We are trying to strike the right balance between a 'complete' feature set (with some unique features you won't find anywhere else – e.g. the multi-leaf view or our real-real-time chat), while keeping the UI clutter-free with a strong separation of style from content.I've submitted Kraa here before and received actionable feedback – hoping for the same with this latest major update to the app.Some demo examples (no login required):- Real-real-time Chat: https://kraa.io/hackernews- Blog article: https://kraa.io/kraa/examples/echolibrary- Long-form story: https://kraa.io/kraa/examples/insidekick- Magazine: https://kraa.io/weeklyinspirationNo account required to try it out!
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Anthropic explains how Claude’s invisible text watermarks will workIMAGE
theverge.com• Aug 17, 2026• 1 min read
Anthropic explains how Claude’s invisible text watermarks will workAnthropic has clarified how it's planning to apply invisible watermarks to Claude-generated text in order to comply with Europe's AI transparency rules. On Friday, Anthropic announced that Claude's text marking system is "a version of the SynthID-Text approach" - an open-source watermarking technology developed by Google DeepMind that creates detectable patterns using wording probabilities. This w...
Community College Instructors Bring Astronomy Textbook Into 21st CenturyIMAGE
science.nasa.gov• Aug 10, 2026• 1 min read
Community College Instructors Bring Astronomy Textbook Into 21st CenturyTeaching the beautiful and inspirational science of astronomy using only the conceptual framework offered by a traditional textbook – without incorporating the wealth of incredible resources, images and activities from NASA – falls short of the more modern, active learning experience that could better serve students evolving learning strategies. Three project teams from the NASA […]
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NASA’s Curiosity Mars Rover Discovers Field of Honeycomb TexturesIMAGE
nasa.gov• Jul 29, 2026• 1 min read
NASA’s Curiosity Mars Rover Discovers Field of Honeycomb TexturesAs NASA’s Curiosity rover recently began climbing up a Martian valley nicknamed “Valle Grande,” it sent back images that were a familiar sight to mission scientists: honeycomb-like textures called polygonal fractures, each one about 1.5 to 3 inches (4 to 8 centimeters) across. The mission has spotted small patches of these geometric shapes several times […]
Show HN: ContextVault – Shared memory layer for your AI and your teamIMAGE
contextvault.dev• Jul 13, 2026• 1 min read
Show HN: ContextVault – Shared memory layer for your AI and your teamHi HN,I'm Kevin. I built ContextVault because I kept running into the same problem with AI tools.Every project accumulated prompts, coding conventions, architectural decisions, examples, and other pieces of context that made the models significantly more useful. The problem was that this information quickly became fragmented. Some lived in ChatGPT Projects, some in Claude, some in Markdown files, some in internal documentation, and some only existed in previous conversations.Late last year, I realized several people on our team were solving the same problems independently because previous work was difficult to discover. I assumed this problem existed in other large organizations, so I started experimenting with a shared context store.I started with a local proof of concept and a rough MCP server. If I asked questions like "have we done this before?", the AI could search the database and find the most relevant item to review. If a conversation produced something worth remembering, I cou
Launch HN: Context.dev (YC S26) – API to get structured data from any websiteIMAGE
context.dev• Jul 9, 2026• 1 min read
Launch HN: Context.dev (YC S26) – API to get structured data from any websiteHi Hacker News, I’m Yahia. I built Context.dev (https://www.context.dev/) to make it really easy to integrate web data into your products and agents.Here’s a demo video: https://www.tella.tv/video/build-faster-with-context-dev-api...Since it’s an API, here are the docs: https://docs.context.dev/quickstart.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.The goal is to give developers the output they actually want. Raw HTML is rarely the useful thing; the useful
Show HN: Kontext CLI – Credential broker for AI coding agents in GoIMAGE
github.com• Apr 14, 2026• 1 min read
Show HN: Kontext CLI – Credential broker for AI coding agents in GoWe built the Kontext CLI because AI coding agents need access to GitHub, Stripe, databases, and dozens of other services — and right now most teams handle this by copy-pasting long-lived API keys into .env files, or the actual chat interface, whilst hoping for the best.The problem isn't just secret sprawl. It's that there's no lineage of access. You don't know which developer launched which agent, what it accessed, or whether it should have been allowed to. The moment you hand raw credentials to a process, you've lost the ability to enforce policy, audit access, or rotate without pain. The credential is the authorization, and that's fundamentally broken when autonomous agents are making hundreds of API calls per session.Kontext takes a different approach. You declare what credentials a project needs in a .env.kontext file: GITHUB_TOKEN={{kontext:github}} STRIPE_KEY={{kontext:stripe}} LINEAR_TOKEN={{kontext:linear}} Then run `kontext start --agent claude`. The CLI authenticates you via
Show HN: Context Overflow – a Stack Overflow for AI AgentsIMAGE
ctxoverflow.dev• Mar 20, 2026• 1 min read
Show HN: Context Overflow – a Stack Overflow for AI AgentsHey HN,After using a bunch of agents, my friend and I noticed a major issue: an agent could spend a bunch of time solving a tricky task, but when the session ended all that knowledge vanishes. Even if I told my agent to remember it locally, there was no way for agents to learn from each other.We built Context Overflow as a way to turn isolated AI sessions into shared, reusable context. With Context Overflow, agents can: - Search through past solutions when starting a task - Ask questions when they get stuck - Share findings when they solve a non-trivial problemWe support a variety of ways to connect your agents: agent skills, OpenClaw instructions, MCP, CLI, and directly through a REST API.The project is also completely open-source, so feel free to check out the code and contribute.https://www.ctxoverflow.devgithub: https://github.com/sahilmahendrakar/context-overflow
Show HN: Word-doodle – browser-based generative doodle text art engineIMAGE
github.com• Mar 1, 2026• 1 min read
Show HN: Word-doodle – browser-based generative doodle text art engineword-doodle is a browser-based generative text art engine that takes string of text and transforms them into typographic doodles. word-doodle scatters words across the screen using a simple collision detection algorithm to place words into empty spaces. It includes a control hub where users can input text, change fonts, select text cases, and apply word limits with additional options to generate the doodle, wipe the screen, or take a screenshot.The Engine The word-doodle engine transforms raw text into organized art via a three-step generation pipeline:1. Vocabulary Analysis & Frequency Mapping -When text is provided, the engine parses the string into individual tokens. It converts all words to a uniform uppercase format to ensure accurate counting. Then it calculates how many times each unique word appears, identifying the maxFrequency to establish visual weight for each word.2. Word Weight Scaling -Size: fontSize is determined by a random base value scaled by the word's frequency wei
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How to Transcribe Audio to Text - A Step-by-Step GuideIMAGE
spacedaily.com• Jan 15, 2026• 1 min read
How to Transcribe Audio to Text - A Step-by-Step GuideLos Angeles CA (SPX) Jan 15, 2026 Transcribing audio to text is a crucial process in many industries, from media to education and customer service. The ability to convert spoken words into written form makes content more accessible, searchable, and shareable.
The Gemini AI Studio "Context Tax": How a 10-word prompt cost me £121IMAGE
news.ycombinator.com• Dec 31, 2025• 1 min read
The Gemini AI Studio "Context Tax": How a 10-word prompt cost me £121I’ve been utilizing Google’s Gemini 1.5 Pro via the AI Studio front-end to develop a new platform. The 1M+ context window is, technically speaking, a game-changer for "stitching" together a 55,000-line codebase. However, I recently discovered a predatory billing architecture that I’m calling the "Context Tax."If you use the AI Studio UI, you might be walking into a massive bill without a single warning.Here is how it happened, and the UK/EU privacy "pro-tip" I found in the fine print.In AI Studio, you start on the Free Tier. You upload your codebase (say, 700k tokens) and work for free until you hit the daily quota. At that point, the UI suggests adding an API key to "continue the conversation."The Trap: Most users (myself included) assume that after adding the key, they will be billed for incremental usage (the 10-100 tokens they just typed).The Reality: The AI Studio UI does not use Context Caching by default. Instead, it re-submits the entire 700k token history for every single "tur