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Top stories from https://news.ycombinator.com (with 100+ score) Contribute to the development here: https://github.com/phil-r/hackernewsbot Also check https://t.me/designer_news Contacts: @philr
A Tiny Boltzmann Machine (Score: 150+ in 4 hours)
Link: https://readhacker.news/s/6ux37
Comments: https://readhacker.news/c/6ux37
Working on complex systems: What I learned working at Google (❄️ Score: 155+ in 2 days)
Link: https://readhacker.news/s/6uprB
Comments: https://readhacker.news/c/6uprB
Python lib generates its code on-the-fly based on usage (❄️ Score: 150+ in 3 days)
Link: https://readhacker.news/s/6ujvq
Comments: https://readhacker.news/c/6ujvq
Our narrative prison (Score: 151+ in 17 hours)
Link: https://readhacker.news/s/6uuhS
Comments: https://readhacker.news/c/6uuhS
Human (Score: 154+ in 4 hours)
Link: https://readhacker.news/s/6uvSE
Comments: https://readhacker.news/c/6uvSE
Migrating to Postgres (Score: 150+ in 8 hours)
Link: https://readhacker.news/s/6uvgK
Comments: https://readhacker.news/c/6uvgK
How the economics of multitenancy work (Score: 150+ in 15 hours)
Link: https://readhacker.news/s/6utyj
Comments: https://readhacker.news/c/6utyj
Show HN: Muscle-Mem, a behavior cache for AI agents (Score: 150+ in 7 hours)
Link: https://readhacker.news/s/6uuUP
Comments: https://readhacker.news/c/6uuUP
Hi HN! Erik here from Pig.dev, and today I'd like to share a new project we've just open sourced:
Muscle Mem is an SDK that records your agent's tool-calling patterns as it solves tasks, and will deterministically replay those learned trajectories whenever the task is encountered again, falling back to agent mode if edge cases are detected. Like a JIT compiler, for behaviors.
At Pig, we built computer-use agents for automating legacy Windows applications (healthcare, lending, manufacturing, etc).
A recurring theme we ran into was that businesses already had RPA (pure-software scripts), and it worked for them in most cases. The pull to agents as an RPA alternative was not to have an infinitely flexible "AI Employees" as tech Twitter/X may want you to think, but simply because their RPA breaks under occasional edge-cases and agents can gracefully handle those cases.
Using a pure-agent approach proved to be highly wasteful. Window's accessibility APIs are poor, so you're generally stuck using pure-vision agents, which can run around $40/hr in token costs and take 5x longer than a human to perform a workflow. At this point, you're better off hiring a human.
The goal of Muscle-Mem is to get LLMs out of the hot path of repetitive automations, intelligently swapping between script-based execution for repeat cases, and agent-based automations for discovery and self-healing.
While inspired by computer-use environments, Muscle Mem is designed to generalize to any automation performing discrete tasks in dynamic environments. It took a great deal of thought to figure out an API that generalizes, which I cover more deeply in this blog:
https://erikdunteman.com/blog/muscle-mem/
Check out the repo, consider giving it a star, or dive deeper into the above blog. I look forward to your feedback!
Writing N-body gravity simulations code in Python (❄️ Score: 150+ in 4 days)
Link: https://readhacker.news/s/6ueLr
Comments: https://readhacker.news/c/6ueLr
The cryptography behind passkeys (Score: 151+ in 12 hours)
Link: https://readhacker.news/s/6utfz
Comments: https://readhacker.news/c/6utfz
A server that wasn't meant to exist (Score: 156+ in 4 hours)
Link: https://readhacker.news/s/6uu9M
Comments: https://readhacker.news/c/6uu9M
Membrane: Media Framework for Elixir (❄️ Score: 150+ in 4 days)
Link: https://readhacker.news/s/6ufeM
Comments: https://readhacker.news/c/6ufeM
SMS 2FA is not just insecure, it's also hostile to mountain people (🔥 Score: 158+ in 2 hours)
Link: https://readhacker.news/s/6utBT
Comments: https://readhacker.news/c/6utBT
Databricks and Neon (Score: 151+ in 4 hours)
Link: https://readhacker.news/s/6ut8K
Comments: https://readhacker.news/c/6ut8K
Fingers wrinkle the same way every time they’re in the water too long (Score: 150+ in 14 hours)
Link: https://readhacker.news/s/6urWr
Comments: https://readhacker.news/c/6urWr
Malicious compliance by booking an available meeting room (🔥 Score: 155+ in 3 hours)
Link: https://readhacker.news/s/6uwWP
Comments: https://readhacker.news/c/6uwWP
Show HN: Semantic Calculator (king-man+woman=?) (Score: 150+ in 18 hours)
Link: https://readhacker.news/s/6uuXx
Comments: https://readhacker.news/c/6uuXx
I've been playing with embeddings and wanted to try out what results the embedding layer will produce based on just word-by-word input and addition / subtraction, beyond what many videos / papers mention (like the obvious king-man+woman=queen). So I built something that doesn't just give the first answer, but ranks the matches based on distance / cosine symmetry. I polished it a bit so that others can try it out, too.
For now, I only have nouns (and some proper nouns) in the dataset, and pick the most common interpretation among the homographs. Also, it's case sensitive.
EU ruling: tracking-based advertising [...] across Europe has no legal basis (🔥 Score: 150+ in 2 hours)
Link: https://readhacker.news/s/6uwdn
Comments: https://readhacker.news/c/6uwdn
Internet Artifacts (Score: 154+ in 1 day)
Link: https://readhacker.news/s/6upDF
Comments: https://readhacker.news/c/6upDF
LLMs get lost in multi-turn conversation (Score: 152+ in 4 hours)
Link: https://readhacker.news/s/6uvQa
Comments: https://readhacker.news/c/6uvQa
Uber to introduce fixed-route shuttles in major US cities (Score: 150+ in 13 hours)
Link: https://readhacker.news/s/6uu7P
Comments: https://readhacker.news/c/6uu7P
Copaganda: How Police and the Media Manipulate Our News (Score: 151+ in 4 hours)
Link: https://readhacker.news/s/6uvxF
Comments: https://readhacker.news/c/6uvxF
Perverse incentives of vibe coding (Score: 150+ in 6 hours)
Link: https://readhacker.news/s/6uuTD
Comments: https://readhacker.news/c/6uuTD
Git Bug: Distributed, Offline-First Bug Tracker Embedded in Git, with Bridges (Score: 150+ in 1 day)
Link: https://readhacker.news/s/6upzw
Comments: https://readhacker.news/c/6upzw
Changes since congestion pricing started in New York (Score: 151+ in 1 day)
Link: https://readhacker.news/s/6upxD
Comments: https://readhacker.news/c/6upxD
Interferometer Device Sees Text from a Mile Away (❄️ Score: 150+ in 4 days)
Link: https://readhacker.news/s/6ufjf
Comments: https://readhacker.news/c/6ufjf
AlphaEvolve: A Gemini-powered coding agent for designing advanced algorithms (🔥 Score: 159+ in 1 hour)
Link: https://readhacker.news/s/6utZb
Comments: https://readhacker.news/c/6utZb
What Is HDR, Anyway? (🔥 Score: 158+ in 2 hours)
Link: https://readhacker.news/s/6utuh
Comments: https://readhacker.news/c/6utuh
How to Build a Smartwatch: Picking a Chip (Score: 152+ in 7 hours)
Link: https://readhacker.news/s/6usMa
Comments: https://readhacker.news/c/6usMa
Ash Framework – Model your domain, derive the rest (❄️ Score: 151+ in 4 days)
Link: https://readhacker.news/s/6ufeF
Comments: https://readhacker.news/c/6ufeF