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Google, xAI and Microsoft agree to US national security reviews of new AI models

https://www.ft.com/content/c4435dd4-00c0-4270-aab9-3c7ce1ae45f6
1•merksittich•1m ago•0 comments

Show HN: Why Two Identical PDFs Have Different SHA-256 Hashes (How We Fixed It)

https://docs.pdfcanon.com/blog/why-identical-pdfs-hash-differently/
1•napzoom•2m ago•0 comments

Agent Orchestration Models

1•archer423•3m ago•0 comments

Wordy – Solving SEO Overkill with Information Theory and Stochastic Inference

https://wordy.runtime-hub.com/
1•RunTimeZero•5m ago•0 comments

Build you a personal assistant agent for fun and profit

https://techstackups.com/guides/build-personal-assistant-agent/
2•sixhobbits•6m ago•0 comments

Show HN: iOS SimulatorCamera – use your MacBook camera with iOS simulators

https://github.com/Akylas/SimulatorCamera
1•farfromrefuge•7m ago•0 comments

Achieving CVE Remediation in an Era of Escalating Vulnerabilities

https://flox.dev/blog/achieving-rapid-cve-remediation-in-an-era-of-escalating-vulnerabilities/
1•ronef•7m ago•1 comments

Show HN: Open-Source DesignMD Generator

https://www.designmd.supply/
2•ICodeSometimes•8m ago•0 comments

Offline Local AI for Protest

https://apps.apple.com/us/app/outcry-activist-ai-mentor/id6762086768
1•micahwhite•9m ago•0 comments

PageIndex: Vectorless, Reasoning-Based RAG

https://github.com/VectifyAI/PageIndex
1•garyclarke27•9m ago•0 comments

Don't Outsource Your Understanding

https://leehanchung.github.io/blogs/2026/05/01/dont-outsource-your-understanding/
1•freediver•9m ago•0 comments

BlueZ-powered Auracast broadcasting on Genio 700

https://www.collabora.com/news-and-blog/blog/2026/05/05/bluez-powered-auracast-broadcasting-on-ge...
2•losgehts•10m ago•1 comments

Single-layer transformer model "HarEmb" showcasing PII SOTA performance

https://huggingface.co/fblgit/haremb-privacy-filter-opennemo
1•fblgit•10m ago•1 comments

Peter Thiel backs $1B ocean data centre startup powered by waves

https://www.ft.com/content/711ce313-16fb-4a12-b6be-fbed547c8a39
1•1vuio0pswjnm7•10m ago•1 comments

Add Animal Crossing events to your digital calendar

https://sethmlarson.dev/animal-crossing-calendar
1•anujbans•11m ago•0 comments

Why Ancient Egyptian Honey Remains Edible After 3k Years

https://www.openculture.com/2026/05/why-ancient-egyptian-honey-remains-edible-after-3000-years.html
1•Brajeshwar•11m ago•0 comments

Show HN: Flow – Workflow automation that follows you across projects

https://github.com/flowexec/flow
1•Jahvon•12m ago•0 comments

Today I shipped 20 apps and a screensaver

https://blog.gingerbeardman.com/2026/04/17/today-i-shipped-twenty-apps-and-a-screensaver/
1•freediver•13m ago•0 comments

Three Inverse Laws of AI

https://susam.net/inverse-laws-of-robotics.html
3•blenderob•14m ago•0 comments

Agent guardrails are mostly theater

https://github.com/faramesh/faramesh-core
1•brian_r_hall•14m ago•0 comments

I'm a Doctor. Here's What A.I. Cannot Do

https://www.nytimes.com/2026/05/05/opinion/ai-doctor.html
1•pretext•14m ago•0 comments

The Value of Reliable Statistics

https://www.nber.org/papers/w35135
1•alphabetatango•16m ago•0 comments

Show HN: I built a url shortener with cta

https://www.visib.link
1•brobles•18m ago•1 comments

Game of Cards – agile for age of agents

https://game-of-cards.com/
1•rodja•18m ago•0 comments

OpenAI has reportedly fast-tracked plans for a phone

https://www.theverge.com/ai-artificial-intelligence/924063/openai-phone-rumors-2027-ming-chi-kuo
1•socratics•18m ago•0 comments

Node.js 26 Released

https://nodejs.org/en/blog/release/v26.0.0
2•wartijn_•19m ago•0 comments

SAP to Acquire Dremio to Unify SAP and Non-SAP Data to Power Agentic AI

https://news.sap.com/2026/05/sap-to-acquire-dremio-unify-sap-and-non-sap-data-power-agentic-ai/
1•kamaraju•19m ago•0 comments

Warp Earth Catalog

https://earth.warp.net
2•structuredPizza•20m ago•1 comments

Facet Protocol: open IETF agent-identity with shipped reference implementation

https://github.com/facet-llc/spec
1•facet-llc•22m ago•0 comments

Diamonds Suck (2006)

https://diamondssuck.com/
4•downbad_•22m ago•1 comments
Open in hackernews

Simple Meta-Harness on Islo.dev

https://zozo123.github.io/meta-harness-on-islo-page/
25•zozo123-IB•1h ago

Comments

love2read•1h ago
I have no idea what this does or is. I really wish they could have given a better description of why this is useful.
cyanydeez•54m ago
I find it fascinating, all these attempts are goldmining LLMs with a harness and it's clear they're generating all the docs for AI to read and use, even the docs say "we made a MCP for this!" like some how within 2 years people no longer make choices and it's just like AIs roaming the internet trying on harnesses, etc; certainly that'd be a fascinating reality but the verbosity really is a eye-glazing experience. Who do they expect to read all of that ad copy? It's not me.
antiobli•53m ago
Their lines "A meta-harness is the loop that improves the harness automatically" and "the bottleneck is diagnostic context: most optimizers compress prior runs into summary statistics, while meta-harness gives the proposer up to 10M tokens of raw execution traces to grep through," seem good, no?

Have to dig into the code, but it looks like they have sound engineering around a "self-improving" agentic coding harness. Will be fun to take the code for a spin.

kingstnap•32m ago
10M tokens of raw execution traces to grep through is slop. The tasks are fizzbuzz, palindrome, list reversal, and sum-even. The palindrome challenge is literaly this:

> Is the word "racecar" a palindrome? Answer with exactly one lowercase word: "yes" or "no". Print only the answer.

cyanydeez•57m ago
serious question: I've already got a opencode harness running on a local model. It's easily installable via the insecure bash command. It's already tailored with a couple of plugins and with a proper TODO.md and planning, I can get it to loop fine with proper attention to its pratfalls on vague/non-determinant language. It's all running on a AMD 395+ Qwen3-Coder-Next model with ~256k context. opencode has a webui I can put behind a password protected endpoint and keep it busy from anywhere I need to via a simple nginx proxy.

How does this go above and beyond this straightforward opensource, open weights and relatively cheap setup? Do you just get more tokens from SOTA models? Can anyone rationally say the products of token production are quality and secure?

pohl•38m ago
You know how OpenCode can be prompted to modify itself when you want to improve it in some way? This just automates that kind of thing.
cyanydeez•21m ago
It can't actually; I had to create a systemd service that watched the config path and send a signal to reload the files. It roughly works, but it doesn't actually do the loop correctly.

However, the problem with self-modification is the tendency towards inoperable states. Does it automatically revert when a detrimental state is reached? How does it determine that a modification worked?

pohl•15m ago
The paper shows that it can. Take note this seems to be someone’s experiment. If it’s not working for you that’s probably because it’s not a polished product.
m3kw9•57m ago
This seems to be another over optimization for AI that many are trying to get into. The LLM's improve, and your setup is deprecated, you wasted time optimizing for a slight edge. TDLR: You trade time for slight edge.
mccoyb•25m ago
It has now become fashionable to dress oneself in the garb of science to sell dev environments ... for agents.

It has now become fashionable to claim much, and furnish little.

It has now become fashionable to fail to understand or state the core of your proposal in as few words as possible: instead of "genetic algorithm applied to the space of harnesses, parallelized by our infrastructure" we get "Three swaps. Same orchestrator. Same dashboard. The wiring is the thing."

We're cooked chat.

adamgold7•18m ago
we need better RL
vmg12•19m ago
This is not how I've seen the term meta-harness be used. The common usage I've seen has been for a meta-harness to be a wrapper around an existing agent to give that agent a new ui or abilities.
visarga•10m ago
I did this too, ablating all the components in my coding agent harness. The insight from my meta-optimization loops was "have judge agents review the plan and implementation".

One of my own insights here is that you need to collect not just execution traces, but all the human-in-the-loop nudges and steering commands. They are one of the purest sources of feedback on coding agents when seen in context.

I agree with OP on the need to collect traces and compare them, not just scores. It is a much richer source of feedback.

If anyone is interested I have a slide deck about my approach: https://docs.google.com/presentation/d/1uSvMPInwIMxCNiN3GQBO...