Jamesob's guide to running SOTA LLMs locally

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User has $2k to spend on local machine intelligence and $40k for top-of-the-line. They have 4x RTX Pro 6000s and built a DDR4 system to host them.

FreeBSD Ate My RAM

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The user investigated why memory usage reported by fastfetch and btop differed on FreeBSD, discovering that the discrepancy was due to btop's incorrect handling of the ARC cache and filesystem metadata buffer cache. The user contributed patches to btop and htop to improve their memory usage reporting, and also submitted a PR to fastfetch, which was later merged with improvements.

Costco is the anti-Amazon

https://phenomenalworld.org/wp-content/uploads/2026/06/pexels-photo-4030670-scaled.avif
Amazon's complex logistics model may not be the most efficient or socially beneficial, while Costco's simpler model offers lower costs and better worker treatment. A public grocery store model, inspired by Costco and the military commissary system, could provide cheaper groceries for New Yorkers with lower overhead.

Oak: Git for Agents

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Every developer knows Git. We think it's awesome, but it's not perfect. Oak is also not perfect, but we think there's value in exploring something new. Oak is solving problems developers have had with Git for decades, along with fitting it to current agentic workflows. Making an agent native substrate allows us to improve these workflows directly rather than trying to build ...

Factories are just rooms

https://interconnected.org/home/2026/07/03/factories.png?v=1
You spoke to a year group about manufacturing, sharing your experience making an AI clock and showing them various stages of design and production. You aim to normalize hands-on learning and inspire kids to become makers and inventors.

ClawdMojis – A Clawd for Every Occasion

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Pixel-perfect recreations of the Clawd mascot as Slack emoji β€” a growing cast of animated variants, all generated programmatically from the original logo. No image editor involved. Browse the live gallery (GIFs animate + click-to-copy Slack names), or grab the ready-to-upload emoji pack. All outputs are 128Γ—128 PNG/GIF with transparent backgrounds, sized for Slack custom emoji (≀ 128 KB). The ...

Hunting a 16-year-old SQLite WAL bug with TLA+

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SQLite fixed a long-standing bug in WAL checkpointing that could lead to database corruption. The dqlite team used TLA+ to model SQLite's behavior and found that dqlite is not affected by the bug due to its stricter locking mechanism.

Instead of banning AI, I made a classroom contract with my students

A computer science professor noticed a student using AI to complete assignments and initially considered failing him. However, the student's anxiety led the professor to reevaluate his stance on AI use in the classroom.

Show HN: Mcpsnoop – Wireshark for MCP (transparent proxy and live TUI)

https://raw.githubusercontent.com/kerlenton/mcpsnoop/main/docs/demo.gif
mcpsnoop is a transparent proxy that shows real tool calls between AI client and MCP servers live in the terminal. It wraps your server command and displays every JSON-RPC frame in a live UI for debugging.

A Cali. farmer is giving away tons of nectarines that he's not allowed to sell

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A California farmer, Cesar Mora, is giving away his nectarine harvest due to a legal battle with Giumarra Brothers Fruit Co over exclusive rights to the 'Monalise' variety. Mora claims Giumarra threw away half of his nectarines in 2020 and sold them to Taiwan in 2022, breaching their contract.

PostgreSQL and the OOM killer: Why we use strict memory overcommit

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Enabling strict memory overcommit in Linux protects PostgreSQL from catastrophic OOM kills by preventing shared memory corruption. A kernel bug in Linux 6.5 caused inflated committed memory, but a fix was applied, allowing strict overcommit to be safely enabled.

My dad helped build North America's oat supply chain: Can it be remade?

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The US oat market declined due to agricultural policies favoring corn and soybeans, leading to a shift to importing oats from Canada. A supply chain was built to import Canadian oats, which has proven resilient but may need to be remade to prioritize US soil health and Corn Belt communities.

Wordgard: In-browser rich-text editor from the creator of ProseMirror

Wordgard is an open-source JavaScript library for in-browser rich-text editors with a powerful programming interface. It's customizable and free to use under the MIT license, but commercial users are expected to contribute to its maintenance.

Valve open-source the Steam Machine e-ink screen so you can make your own

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Valve has made the Steam Machine's e-ink display open source under the MIT license, allowing anyone to create their own "Inkterface". JSAUX plans to release pre-built versions of the display.

Half-Baked Product

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A founder builds an oven company with a flawed MVP that fails to deliver on its promises, despite raising millions of dollars in funding. The company struggles to execute its vision due to poor engineering, sales, and management decisions.

60% Fable cost cut by converting code to images and having the model OCR it

https://raw.githubusercontent.com/teamchong/pxpipe/main/docs/assets/example-render.png
pxpipe compresses Claude Code requests by rendering bulky context as images, reducing input tokens by ~25k to ~2.7k. This results in a ~59-70% lower end-to-end bill.

Best Simple System for Now (2025)

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The author proposes a middle path called the Best Simple System for Now (BSSN), which balances simplicity and robustness by focusing on the current needs of a product. This approach prioritizes simplicity over future-proofing and encourages iterative delivery to reduce risk and increase return on investment.

The Fall and Rise of Screwworm

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Screwworms, a flesh-eating parasite, have returned to the US after decades of eradication. The parasite was previously eliminated through a program that dropped millions of sterile male flies in infested areas.

Ask HN: Is anyone experimenting with different ways of using LLMs for coding?

You're frustrated with LLMs for programming, feeling stuck in a prompt-response loop. Researchers are exploring alternative models like the tab model, which may offer a more fluid coding experience.

Holes

https://imgs.xkcd.com/comics/holes_large.png

Flexible metaprogramming with Rhombus

Rhombus is a new programming language that combines Racket's metaprogramming capabilities with a simple Python-like syntax. It aims to be a flexible and extensible language for real-world use.

International chess federation sanctions Kramnik

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FIDE's EDC imposed a one-year ban on Vladimir Kramnik for violating FIDE's Ethics Code and Disciplinary Code. Kramnik must also serve 12 months of unpaid service for the benefit of the chess community.

America, 1926: A forgotten 100-year-old report

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In 1926, America was a nation of contrasts, with rural areas stuck in the past and urban areas experiencing rapid change, technological advancements, and social upheaval. Despite progress in many areas, Americans were anxious about the future, fearing technological unemployment, the rise of the machine, and the decline of traditional values.

The Life and Times of Maxis, Part 1: SimEverything

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The author praises gamers for preserving gaming history, but notes that their efforts can create a distorted view of the past. Games like SimCity and Myst are often overlooked in favor of more popular titles, but had significant influence on the gaming industry.

Supersonic flight returning to US after half-century ban

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The FAA may repeal the 1970s ban on supersonic flight over US territory due to technological advances that minimize noise impacts. Companies like Boom Supersonic and Spike Aerospace are developing quieter supersonic aircraft for luxurious transatlantic flights.

Show HN: CLI that helps AI agents avoid vulnerable dependencies

https://opengraph.githubassets.com/447e97060297a5d9eab3a650ebc160d40a26f23c25729e174a0f0c067a72795d/clidey/deptrust
deptrust is a CLI tool that checks package versions for known vulnerabilities across multiple ecosystems. It provides risk signals and recommendations to help prevent known vulnerabilities.

Show HN: ctx – Search the coding agent history already on your machine

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ctx is a CLI for local search across past coding sessions, indexing logs into SQLite for fast retrieval. It stores and indexes agent history, allowing current and future agents to access meaningful history with fewer tokens.

The Safari MCP server for web developers

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Safari MCP server is a new tool for web developers that makes debugging faster and more powerful by connecting agents to a Safari browser window. It enables agents to emulate user experiences, access DOM, network requests, and console output, reducing manual checks and improving productivity.

Show HN: Bramble – Local-first password manager

https://opengraph.githubassets.com/488a00763d71700cd59edf9a3f6355bd083faed0adc1920a76ab7f22dd49f4e4/flythenimbus/bramble
Bramble is a password manager that stores encrypted vaults on your devices, syncing them peer-to-peer without a cloud. It uses Argon2id and AES-256-GCM encryption, with a recovery code and multiple unlock methods for security.

I Wasn't Allowed Prompting ChatGPT During My Chalk Talk: This Is Discrimination (2025)

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The author, a scientist, used AI tools to prepare for a tenure-track position interview but was expected to think independently without assistance. The author's use of AI was seen as a lack of independent thinking and foundational knowledge.