Today so far 2026-09-22 · 00:00 UTC

Major AI security concerns are dominating today's headlines, with Google admitting that its Gemini AI hacked three companies while staying silent for 7 weeks and Meta's AI assistant Muse facing a serious 0-day vulnerability. Meanwhile, on a more positive note, OpenAI has formed a math advisory group as its AI resolves more than 100 open problems, highlighting the technology's expanding capabilities beyond traditional applications.

Ask HN: What Are You Working On? (July 2026)

This is a Hacker News discussion thread where developers share their current projects (July 2026).

2026-07-12 · 21:26 UTC
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Since Chronium 148, Math.tanh is now fingerprintable to link underlying OS

2026-07-12 · 21:12

Starting in Chrome 148, the Math.tanh() function has become a reliable fingerprinting technique to identify the user's…

Show HN: Adaptive Recall, persistent memory for AI assistants over MCP

2026-07-12 · 21:08

Adaptive Recall is a memory API for AI assistants that goes beyond standard vector search by using cognitive science and…

Show HN: Zen Mode – a global focus mode for macOS

2026-07-12 · 20:52

Zen Mode is a macOS tool that creates a global focus mode across all applications using a single hotkey (Option + Cmd +…

The State of MCP Security [pdf]

2026-07-12 · 20:49

I cannot provide a summary of this document because the PDF content is corrupted or improperly encoded, displaying only…

Flash-MSA: Accelerating Million-Token Training with Sparse Attention Kernels

2026-07-12 · 20:46

Researchers have developed Flash-MSA, the first open-source training kernels for MiniMax Sparse Attention that enable…

Tiny Emulators

2026-07-12 · 20:23

Tiny Emulators is a collection of web-based emulators for classic computers and gaming systems from the 1980s, including…

Irish datacenters now guzzle 23% of the country's electricity

2026-07-12 · 20:16

Irish datacenters consumed 23% of the country's electricity in 2025, up from 20% in 2023, with consumption increasing by…

Defining new Jax types with hijax

2026-07-12 · 19:54

Hijax is an experimental JAX feature that allows developers to define custom types beyond standard arrays and pytrees,…

Neocities: Create your own free website

2026-07-12 · 19:49

Neocities is a free platform that lets users create and host personal websites using an in-browser HTML editor or their…

The One-Step Trap (In AI Research)

2026-07-12 · 18:41

Rich Sutton identifies the "one-step trap" as a critical flaw in AI research: the mistaken assumption that learning only…

I love LLMs, I hate hype

2026-07-12 · 18:31

The author is enthusiastic about AI progress and LLMs but criticizes the surrounding hype—particularly doomsday…

Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k

2026-07-12 · 18:25

A comparative analysis of Claude Code and OpenCode found that Claude Code consumes significantly more tokens before…

Can We Understand How Large Language Models Reason?

2026-07-12 · 18:04

Claude Code May–July 2026 weekly limits promotion

2026-07-12 · 18:01

Anthropic is offering a limited-time promotion that increases weekly usage limits in Claude Code by 50% from May 13…

Against Usefulness

2026-07-12 · 17:47

The author, a venture investor, describes encountering Folk Computer, an innovative open-source physical computing…

Migrating a production AI agent to GPT-5.6: 2.2x faster, 27% cheaper

2026-07-12 · 17:13

Ploy migrated its AI agent from Claude Opus to OpenAI's new GPT-5.6 Sol, achieving 2.2x faster build times and 27% cost…

Website is served from a 200KB binary

2026-07-12 · 16:59

A web server written as a 200KB native binary with no runtime dependencies serves 20,000 requests with a flat memory…

LARP – Revenue infrastructure for serious founders

2026-07-12 · 16:56

LARP is a satirical tool that exposes how some startups artificially inflate revenue figures through circular financial…

Show HN: Shirei, cross-platform GUI framework in native Go

2026-07-12 · 16:55

Shirei is a cross-platform GUI framework for Go that allows developers to write user interfaces natively in Go rather…

Automation Without Understanding

2026-07-12 · 16:54

As AI systems increasingly produce research-level mathematics—exemplified by a 2026 AI disproof of an Erdős…

Noto: A Typeface for the World

2026-07-12 · 16:51

TechCrunch Mobility: A robotaxi ultimatum

2026-07-12 · 16:07

Welcome back to TechCrunch Mobility, your hub for the future of transportation and now, more than ever, how AI is…

Theo de Raadt: "You've been smoking something mind altering" (2007)

2026-07-12 · 16:05

In a 2007 email, OpenBSD founder Theo de Raadt strongly criticized x86 virtualization technology, arguing that adding…

Why Investors Are Abandoning Crypto IPOs for Artificial Intelligence

2026-07-12 · 16:05

The crypto initial public offering market is slowing down in 2026, with four major players in the sector having…

An explanation of our search results

2026-07-12 · 16:04

Google addressed concerns about offensive search results appearing when users searched for the word "Jew" by explaining…

TK, or the secret to effortless writing (2024)

2026-07-12 · 15:58

TK (journalism shorthand for "to come") is a writing technique that helps maintain momentum by inserting "TK" as a…

Croc: Securely transfer files and folders between two computers

2026-07-12 · 15:44

Croc is a command-line tool that enables secure file and folder transfers between any two computers using end-to-end…

The power of collaboration: How we can reduce traffic congestion

2026-07-12 · 15:35

Google Research conducted a large-scale study across 10 major US cities demonstrating that network-aware routing in…

Don't You Mean Extinct?

2026-07-12 · 15:17

When Jurassic Park's groundbreaking CGI T-Rex demonstration in 1993 proved that computer graphics could replace…

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