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The URL shortener that makes your links look as suspicious as possible. Normal links are too trustworthy. Make them creepy.

Claude Cowork exfiltrates files

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Anthropic's Claude Cowork is vulnerable to file exfiltration attacks via indirect prompt injection due to unremediated isolation flaws. Users are recommended to be cautious when granting access to local files and avoid suspicious actions that may indicate prompt injection.

Furiosa: 3.5x efficiency over H100s

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FuriosaAI's NXT RNGD Server is a turnkey AI inference solution with high performance and low power consumption. It allows enterprises to deploy AI workloads efficiently within existing data centers without prohibitive energy costs.

Show HN: Sparrow-1 – Audio-native model for human-level turn-taking without ASR

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Sparrow-1 is a conversational flow control model that predicts when a system should listen, wait, or speak in real-time, enabling human-like timing in conversational AI. It models conversational uncertainty directly and responds with precision, allowing interactions to feel attentive, patient, and natural.

New Safari developer tools provide insight into CSS Grid Lanes

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Safari Technology Preview 234 and 235 support CSS Grid Lanes for masonry-style layouts. The Grid Lanes Inspector in Safari shows content order with "Order Numbers" feature.

Scaling long-running autonomous coding

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We've developed a system of hundreds of concurrent agents that can work together on a single codebase for weeks, making real progress on ambitious projects. Our system uses a pipeline with distinct roles, including planners and workers, to coordinate tasks and avoid conflicts.

Ask HN: Share your personal website

User is creating a community-maintained directory of personal websites at hnpwd.github.io and needs help to grow it. They want users to share their personal websites and consider joining the GitHub project as a maintainer.

Project SkyWatch (a.k.a. Wescam at Home)

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A custom control loop was built to track aircraft from the ground using a consumer camera, addressing mechanical and electronics latency with a combination of Visual Processing, Prediction, and Feed-Forward Control. The system uses OpenCV, CSRT, Kalman Filter, and PID control to achieve a stable image and correlates visual data with live ADS-B telemetry for context.

Ask HN: How are you doing RAG locally?

People are using BM25+trigram for code search due to its speed and effectiveness. Some use static embedding models like Lee101/Gobed for faster search, but they require training and may not always be ideal.

Bubblewrap: A nimble way to prevent agents from accessing your .env files

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The user proposes using Bubblewrap to sandbox coding agents like Claude Code, providing a more secure and simpler alternative to dedicated user accounts and Docker. Bubblewrap allows running untrusted code without risking the host system, and the user provides a test script to demonstrate its usage.

The State of OpenSSL for pyca/cryptography

Paul Kehrer and Alex Gaynor are reducing their reliance on OpenSSL due to performance regressions, API complexity, and lack of testing. They plan to add new APIs only available on LibreSSL/BoringSSL/AWS-LC and consider switching to one of these forks for their binary wheels.

Ask HN: Weird archive.today behavior?

Archive.today is making requests to a personal blog, possibly in response to an article about its owner. This may be a revenge or DOS attack, but it's unclear why it's happening 2.5 years after the article was published.

Ask HN: What is the best way to provide continuous context to models?

The best way to provide context to a model is to insert new context at the beginning of the prompt to reduce cost and improve speed. Models also have biases for tokens at the start and end of the context window, making those places optimal for important instructions.

Show HN: Ever wanted to look at yourself in Braille?

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The program uses the command line to apply various dithering algorithms to live camera feeds or images. It supports multiple modes, including Atkinson, Blue Noise, Bayer, and Floyd Steinberg.

Show HN: WebTiles – create a tiny 250x250 website with neighbors around you

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SparkFun Officially Dropping AdaFruit due to CoC Violation

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SparkFun has ended transactions with Adafruit due to Code of Conduct violations including offensive emails and material. SparkFun continues to support its reseller network for original products and other items.

Show HN: Webctl – Browser automation for agents based on CLI instead of MCP

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The user demonstrated various commands for web automation using webctl, including navigation, typing, clicking, and waiting for elements. They also explored features like snapshotting, filtering, and debugging, as well as managing browser profiles and settings.

Sun Position Calculator

The app models Earth-Sun orbital relationship, displaying a 3D Sun-path diagram and allowing geo-centric and helio-centric views. It also overlays information to understand solar motion characteristics.

Handy – free open source speech-to-text app

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Handy is a cross-platform desktop application built with Tauri (Rust + React/TypeScript) that provides simple, privacy-focused speech transcription. Press a shortcut, speak, and have your words appear in any text field—all without sending your voice to the cloud. Handy was created to fill the gap for a truly open source, extensible speech-to-text tool. As stated on handy.computer: Open ...

Find a pub that needs you

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The government may reverse pub rate changes, but pubs still need support. Find your local pub and use the Fucked Pub Index to identify the one that needs your help the most.

ChromaDB Explorer

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Powered by A modern, native desktop client for ChromaDB. Browse collections, search semantically, and manage your vector embeddings with ease. Connect to local, remote, or Chroma Cloud databases. Save and manage multiple connection profiles with secure API key storage.

Crafting Interpreters

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Crafting Interpreters teaches you to design and build a full-featured scripting language from scratch. It covers high-level concepts and gritty details like bytecode and garbage collection in a few thousand lines of clean code.

Generate QR Codes with Pure SQL in PostgreSQL

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User generated a QR-code generator as a single SQL statement for PostgreSQL, using ChatGPT Pro for fun and learning. They plan to optimize the SQL for faster execution and compare execution plans between PostgreSQL 16 and 17.

Roam 50GB is now Roam 100GB

Starlink doubled Roam 50GB to 100GB at no extra cost in most markets. After 100GB, users get unlimited low-speed data for the remainder of their billing period.

How can I build a simple pulse generator to demonstrate transmission lines

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A user built a pulse generator to demonstrate transmission lines and provided scope shots of various termination scenarios, including short and long pulses, to help understand the behavior of transmission lines. The user also discussed alternative pulse generator designs, including using a GaN FET driver and a transistor with a charged transmission line, to achieve faster pulse widths and rise times.

Is Rust faster than C?

Rust and C can have different performance due to varying compiler optimizations and language semantics. However, when comparing the two languages, it's difficult to draw a general conclusion due to many variables such as developer expertise, project constraints, and specific use cases.

Ford F-150 Lightning outsold the Cybertruck and was then canceled for poor sales

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Tesla's Cybertruck sales are down nearly 50% year-over-year, with only 5,500 units sold globally in Q4 2025. This is a disaster compared to its peak and the company's stated capacity, with Ford's F-150 Lightning outselling it despite being canceled.

Rubik's Cube in Prolog – Order

You're using Prolog to analyze the Rubik's Cube with group theory. The cube returns to its initial state after 4 repetitions of the move F. This is a natural consequence of group theory, related to Lagrange's theorem.

Native ZFS VDEV for Object Storage (OpenZFS Summit)

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We presented MayaNAS and MayaScale at OpenZFS Developer Summit 2025, showcasing objbacker.io for native ZFS VDEV integration with object storage. This approach achieves 3.7 GB/s throughput without FUSE overhead, enabling 70%+ cost savings and sub-millisecond latency.

GitHub should charge everyone $1 more per month to fund open source

Greg proposes a system where companies pay $1/month per user into an Open Source fund, distributed based on package.json dependencies. This fund would support open source developers, making their labor more sustainable.