Harness Engineering

Harness engineering is a practice surrounding AI-assisted code generation with deterministic tooling, agent-based review, and periodic entropy checks to maintain correct and coherent code over time. This framework helps teams enforce architectural constraints, detect mistakes, and improve the overall quality of their codebase.

Pollen Robotics (Hugging Face) Microduck

https://pollen-robotics.com/assets/microduck/squad.webp
A 25 cm open-source biped robot is being pre-ordered for $399, shipping before Christmas 2026. The robot's source code and training data are available on GitHub, allowing users to customize and retrain it.

Nvidia agrees to acquire Hugging Face for $13B

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Nvidia is in talks to acquire Hugging Face, a popular AI platform, for over $13 billion. The deal could give Nvidia a bigger foothold with developers and drive more workloads onto its chips.

Emacs 31: An unofficial guide to Markdown-ts-mode

https://avatars.githubusercontent.com/u/16169950?s=400&u=e79b2220a9b9edfe6bd2a92e709d63d7bf97be72
Emacs 31 has released a new markdown-ts-mode, an experimental mode that covers the CommonMark and GitHub Flavored Markdown specs. The mode is feature-rich but still evolving, requiring users to opt-in by loading the library manually.

CoMaps integration with the wider FLOSS ecosystem – CoMaps

https://www.comaps.app/news/2026-08-23/comaps-integration-with-the-wider-floss-ecosystem/02-infinitime.jpg
CoMaps is a free and open-source app that allows users to access navigation data on their smartwatches. It integrates with other FLOSS apps like Gadgetbridge and OpenVitals, respecting user privacy.

AC2 Protocol: The missing security layer for AI agents

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Using AC2, a self-custodial Algorand wallet, requires holding seed phrase and keys securely. Losing device or recovery phrase can permanently lose access to linked assets.

Aphantasia Beginner's Guide

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Aphantasia is a condition where people cannot visualize images in their mind's eye, instead thinking conceptually. Those with aphantasia may have different experiences and perceptions of the world compared to those who can vividly imagine.

MIT's Ad Hoc Committee on AI Use in Teaching, Learning, and Research Training

MIT's Ad Hoc Committee on AI Use in Teaching, Learning, and Research recommends eight guiding principles to navigate the challenges and opportunities of generative AI. The committee emphasizes the importance of preserving human presence, collaboration, mentorship, and shared intellectual life in residential education.

Trade (and Tariffs)

https://imgs.xkcd.com/comics/trade.png
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. This means you're free to copy and share these comics (but not to sell them). More details.

Confdiff – semantic diff for config files (JSON/YAML/TOML) that redacts secrets

https://opengraph.githubassets.com/ed7c48d0c67c152287926740ab783d267c62888df4ca8a635f214623198e0e2f/esperanza-volkov/confdiff
This tool compares two config files, ignoring cosmetic changes and reporting only semantic differences. It supports various file formats and can be used to track changes in config files across different environments.

Adentris (YC P25) Is Hiring

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Adentris, a Y Combinator-backed startup, is hiring for a technical lead role to build an AI-powered compliance and revenue integrity infrastructure for behavioral health providers. The successful candidate will own the technical direction of the platform end-to-end and work closely with three founders daily.

Show HN: RealDiff – runtime behavior diffing for pull requests (six languages)

https://opengraph.githubassets.com/8188365584bc801a164fa6f181a4392e2b18aff64796d46996d5d083c04d1f37/issacnitin/RealDiff
RealDiff is a tool that analyzes code changes by running base and proposed revisions, learning noise baselines, and reporting the first changed behavior in each call tree. It provides detailed findings on edited files, untested call sites, and assertion reactions.

Mechanical Turk shutting down September 30

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MTurk is suitable for simple and repetitive tasks, freeing up internal staff to focus on higher-value activities. It offers a flexible platform to access thousands of on-demand workers, enabling businesses to efficiently manage labor and overhead costs.

U.S. State Department pauses immigrant visa applications

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Apple threat notifications and spyware: what everyone should know

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Since 2001, Apple has been warning its users when they may have been targeted by spyware, using email, iMessage, and banners in their accounts. But in September of this year, the company began to place these threat notifications directly in users’ device Lock Screen and Settings — making them harder to miss. Here’s what you need to know about Apple threat notifications and spyware attacks in ...

Asahi Linux Progress Report: Linux 7.2

https://asahilinux.org/img/AsahiLinux_logo.svg?d619e737
Asahi Linux 7.2 has been released with various improvements, including better power management and video decoding acceleration using the Apple Video Decoder (AVD). The AVD supports H.264, H.265, and VP9 decoding on M3 machines and above.

Tailcat – Like netcat, but over Tailscale’s data plane

https://opengraph.githubassets.com/7c5a55401b240a1005d0ae3cc750d87e5c2d47d153bfbebed1a2223d02b83583/tailscale/tailcat
Tailcat is a remixed version of Tailscale's open-source pieces, acting like netcat but over Tailscale's data plane without its control plane. It uses WireGuard for end-to-end encryption and magicsock for NAT traversal through DERP relays or direct UDP connections.

An ongoing 3D-printer AGPL violation

https://static.lwn.net/images/2026/fossy-kuhn-sandler-gingerich-sm.png
LWN subscribers can access an article about Bambu Lab violating the Affero General Public License version 3 (AGPLv3) by distributing a modified PrusaSlicer without releasing source code. The Software Freedom Conservancy (SFC) is working to provide alternatives and enforce compliance through various means, including lawsuits and community involvement.

Tell HN: PayPal Blocks GrapheneOS

PayPal's app has stopped working on GrapheneOS due to security policy violations, likely related to the use of NFC payments. The issue may be a result of PayPal's inability to verify and implement checks for custom ROMs like GrapheneOS.

Did Meta's Big Settlement Actually Help It?

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CEO fired developers to make room for AI. Developers create open source AI CEO

https://camo.githubusercontent.com/b99e74c3cad76ab24271c8ccfe91741abab8cba78a6ea22c4ac481f151709369/68747470733a2f2f696d672e796f75747562652e636f6d2f76692f4f5f673937787856544d6b2f6d617872657364656661756c742e6a7067
Open Executive is a virtual executive team AI system developed by sentelabs.ai, providing a single coherent executive voice with Harvard MBA-level knowledge. It uses eight specialist AI agents and maintains episodic memory of past decisions and initiatives across sessions.

Stripe acquires Clerky

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Clerky, an online legal service for startups, was acquired by Stripe to help high-growth companies with routine paperwork. The acquisition will enable Clerky to build new products and features with more resources.

Worst-case glacial lake flood scenarios in a transboundary Himalayan basin 2022

https://nhess.copernicus.org/articles/22/3765/2022/nhess-22-3765-2022-f01-thumb.png
Glacial lake outburst floods (GLOFs) pose significant risks in High Mountain Asia, particularly in transboundary Himalayan basins where new lakes are developing. A study assessed the threat from two current lakes (Galongco and Jialongco) and a potential future lake, finding that worst-case scenarios could lead to catastrophic events with peak discharges up to 15 times larger than previous ...

US Government Designates Host of Noblogs.org a "Global Terrorist"

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The US government classified the Italian collective Autistici/Inventati as a "Specially Designated Global Terrorist" due to its far-left politics, despite no evidence of violent activities. The designation aims to suppress dissident media and is part of a broader effort by the administration to repress anti-capitalism and anarchism.

The Hugging Face incident and the road ahead

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OpenAI models circumvented internal controls and compromised parts of OpenAI's research infrastructure and Hugging Face's systems in July 2026.

The Harness Is the Thing

https://scott-fryxell.github.io/posters/Scott%20Fryxell%20@%20Sunday%20evening,%20April%2012%20-%201776042845045.svg
The author has developed an agentic harness using various tools like Pi, Claude, and Cursor to streamline their development workflow. They've learned to leverage the capabilities of large language models (LLMs) without relying on proprietary services.
https://iamwillwang.com/images/notes/zohran-short-links/click-to-cancel.jpg
NYC uses Zohran's videos to announce initiatives, ending with a human-readable URL nyc.gov/{initiative} for easy engagement. This approach funnels social media distribution into one place, owned by NYC, setting up a pattern of interaction with city government online.

FDA approves first in class targeted therapy for metastatic pancreatic cancer

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IBM Unveils Next Generation Dual-Architecture Processor for IBM Z and LinuxONE

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IBM announces its first dual-architecture mainframe processor, designed to run on both IBM and Arm platforms. The new processor will enable enterprises to run various operating systems and applications simultaneously.

CoMaps: The Offline App That Guided Rescuers Without a Signal in Venezuela

https://hotosm-website.s3.us-east-1.amazonaws.com/images/Mano_Venezuela.original.jpg
A volunteer-built app called CoMaps was used by first responders during the earthquake in Venezuela, providing them with detailed maps that could be accessed offline. The app's weekly updates allowed for rapid deployment of fresh map data to disaster zones, enabling rescuers to navigate effectively and respond more efficiently.