Pi.dev: You Said No MCP

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Pi has integrated MCP into its core, despite initial dismissive statements, due to changes in MCP and the benefits of a sandbox environment like Codemode. This integration enables tools to be more easily discoverable and used within Pi.

Livenerf: Has Opus 5.5 been nerfed yet?

https://raw.githubusercontent.com/ninjahawk/livenerf/main/media/livenerf.svg
Livenerf is a benchmark designed to detect whether a frontier model gets worse after launch, using Claude Opus 5.5 as the test subject. It measures drift statistically over thousands of samples and provides detailed statistics on accuracy changes and output token counts.

Show HN: JBR-001 – An open-source 3D printable desktop robot

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This Arduino code controls a robotic arm with LED display, using sensors and servos to perform movements and detect objects. It displays a heartbeat animation on the LED matrix.

Solving Factorio Quality

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Factorio is a game that involves building and managing a factory, with the goal of producing increasingly complex items. The game's focus on automation sets it apart from other survival games. Players can use modules to improve production, and new mechanics were introduced in the Space Age extension, including quality tiers for items and recipes.

Dots: Always-on agents

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Dots are AI-powered agents that assist users with tasks, learn from feedback and adapt to their needs. They can connect to various apps, work independently or in teams, and provide 24/7 support for ambitious projects.

September 2026: The world today, as seen by one Polish guy

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A Polish writer reflects on the country's vulnerabilities due to its dependence on imported energy and military supplies, as well as a declining population. The writer prepares for potential crises by stockpiling water, cash, and food that doesn't require cooking, while also having a plan for alternative heating sources.

Vermont replacing power plants with home batteries

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Vermont's Green Mountain Power has implemented a home battery system, providing over 5,500 homes with energy security during power outages. The virtual power plant is the largest source of power in the state and aims to eliminate all outages by 2030.

America.gov

U.S. postal inspectors shut down website selling counterfeit postage labels

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US Postal Inspection Service seized an internet domain for operating a counterfeit website selling over 5 million fake USPS postage labels, resulting in $126 million losses. A Pakistani national, Faheem Akram, is charged with conspiracy and wire fraud related to the scheme.

Most data centers refusing to say how much water, electricity they use

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Most European data centers keep their environmental impact secret, despite EU regulations requiring them to report energy and water usage. Only a small fraction of larger Dutch data centers publish this information, with many lacking crucial details on consumption.

NASA asked several former SR-71A staffers to help secret restart

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NASA is secretly working on returning a 59-year-old Lockheed SR-71A Blackbird to flight, with retired engineer Mike Relja being asked for his expertise. The project faces significant challenges, including lack of spare parts and trained crews, but some possible solutions have been proposed.

Show HN: Real-time Solar System with 526k asteroids and all tracked satellites

Тяни — вращать, колесо — приблизить, клик — карточка и орбита, двойной клик — лететь к телу. WASD — полёт, R/F — вверх/вниз, Q/E и стрелки — поворот, Shift — быстрее. Клик по названию группы — подсветить, 👁 — орбиты

Testing WebGPU data layouts with Facet

The author created a custom checker function to ensure correct data loading between Rust and WebGPU, as the layout rules differ. The function uses facet's runtime reflection to inspect struct sizes and offsets at runtime.

How Delhi cut electricity loss from 50 to 5 percent

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The author recounts a common scene in 2002 Delhi where frequent power outages plagued the city, causing chaos and economic losses. However, over the past quarter century, Delhi's grid has transformed into a reliable system with minimal power losses.

RSS Feeds for Last.fm

User wants an RSS feed of their Last.fm tracks, and the creator provides a solution by asking for their username.

Floppy Emu Hardware Failure Analysis Results

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The author analyzed 68 Floppy Emus that failed QA testing, identifying the causes of failure as clock crystal damage, soldering issues, and unprogrammed microcontrollers.

Built Dental Scope

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Free interactive 3D dental anatomy: all 32 permanent teeth with FDI, Universal and Palmer numbers, enamel to root canals, jaws and nerves. Educational tool.

Phyllotaxis: An audio-reactive LED display

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The author created a cellular LED matrix inspired by phyllotaxis, a pattern found in nature, and programmed it to react dynamically to sound using an STM32 board. The project evolved into an interactive installation at Recurse Center, featuring a website for attendees to upload sketches and games.

Backblaze drive stats for Q2 2026

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Backblaze's Q2 2026 Drive Stats report tracks annualized failure rates, model performance, and emerging technologies. The quarterly AFR is 1.73%, with no new drive models released this quarter but deployment concentrated in the 20TB+ range.

GPT 6.1 Sol: Near-Astra intelligence for a fifth of the price

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GPT-6.1 Sol is a new upgrade to GPT-6 Sol, offering improved performance and cost savings for everyday work tasks. It matches GPT-6 Astra's intelligence at one-fifth of its standard input and output token prices, delivering substantial improvements across complex professional tasks.

Needed 1+1, built a functional programming language

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The author implemented a binary tree evaluator in C, using closures to represent user-defined functions and an arena allocator to manage memory. The evaluator uses a mark-and-sweep garbage collector to reduce memory usage.

Language models for text classification: From bag-of-words to Jev

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The Jev AI model has gained popularity for its ability to classify tasks efficiently and accurately, making it a viable alternative to more expensive models like GPT-6. It achieves this through a unique training method called Reinforcement Learning for Calibrated Decisions (RLCD), which enables fast and cost-effective decision-making across various domains.

Ask HN: What are you reading?

The user is currently reading various books, including sci-fi and fantasy novels, historical non-fiction, and philosophical texts. They are also watching TV shows like Reacher S1 and Deadwood.

When oil prices spike, where does the money go?

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Global oil prices surged after the US and Israel attacked Iran, affecting products made from oil worldwide. The increased price benefits companies, governments, and shareholders in various regions, including Saudi Arabia's government finances and US-based oil companies' profits.

A Staff Engineer's Guide to Inventing Work

Platform teams invent work by reading signals from systems, users, organization, and industry. They analyze these signals to identify areas for improvement and prioritize new projects.

NRC issues first U.S. construction permit for a BWRX-300 small modular reactor

https://www.gevernova.com/news/sites/default/files/2026-09/tva-nrc-signing-09-29-2026_0.JPG
The US Nuclear Regulatory Commission has issued a construction permit for the BWRX-300 small modular reactor at TVA's Clinch River site in Tennessee. This is the first permit issued in the US for this design, marking a significant milestone for nuclear power deployment.

NAND-16: a computer built from 277,248 NAND gates

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A 16-bit computer built from 277,248 NAND gates. CPU, memory, OS and Tetris, all running on the gates in your browser. Zoom in and watch the signals flow.

PS5 Relapse Exploit

https://opengraph.githubassets.com/8a313189af529e6bb54ee3386a5a181751adcced90279d7ec8237ac477954983/ntfargo/Relapse-Exploit
The project involves exploiting vulnerabilities in Webkit and kernel stages for educational research, using payloads stored in a specific directory and listening on port 9021. It warns users to use the software responsibly and at their own risk, as it may cause system instability or data loss.

Show HN: Using 2D DFT, dithering, etc. to maximize eInk manga image quality

https://raw.githubusercontent.com/ciromattia/kcc/master/images/header_marginsXO.jpeg
Kindle Comic Converter (KCC) optimizes manga for E-ink ereaders, producing high-quality files with minimal size. KCC supports various output formats and can be used on Windows, macOS, and Linux devices.

Show HN: NSL – WSL for Linux

NSL provides a Linux host with persistent machines, similar to WSL on Windows. It offers isolated and non-isolated modes for running Linux distributions like Debian, Ubuntu, and Fedora.