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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
233•theblazehen•2d ago•68 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
694•klaussilveira•15h ago•206 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
6•AlexeyBrin•1h ago•0 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
962•xnx•20h ago•555 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
130•matheusalmeida•2d ago•35 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
67•videotopia•4d ago•6 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
54•jesperordrup•5h ago•24 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
37•kaonwarb•3d ago•27 comments

ga68, the GNU Algol 68 Compiler – FOSDEM 2026 [video]

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
10•matt_d•3d ago•2 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
236•isitcontent•15h ago•26 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
233•dmpetrov•16h ago•125 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
32•speckx•3d ago•21 comments

UK infants ill after drinking contaminated baby formula of Nestle and Danone

https://www.bbc.com/news/articles/c931rxnwn3lo
11•__natty__•3h ago•0 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
335•vecti•17h ago•147 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
502•todsacerdoti•23h ago•244 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
386•ostacke•21h ago•97 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
300•eljojo•18h ago•186 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
361•aktau•22h ago•185 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
425•lstoll•21h ago•282 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
68•kmm•5d ago•10 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
96•quibono•4d ago•22 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
21•bikenaga•3d ago•11 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
19•1vuio0pswjnm7•1h ago•5 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
265•i5heu•18h ago•216 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
33•romes•4d ago•3 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
64•gfortaine•13h ago•28 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1076•cdrnsf•1d ago•460 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
39•gmays•10h ago•13 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
298•surprisetalk•3d ago•44 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
154•vmatsiiako•20h ago•72 comments
Open in hackernews

Show HN: I built a more productive way to manage AI chats

https://contextch.at
162•tapeo•8mo ago

Comments

tapeo•8mo ago
I tried to solve my own problems that I had while copy and pasting the same starting context from chat to chat. Now I can generate the base context and start new chats from there.
ramoz•8mo ago
Yes def a needed thing for power users.

You and I are going to end up competing because im evovling my original solution in this space, https://github.com/backnotprop/prompt-tower ... best of luck, great execution thus far.

tapeo•8mo ago
Thank you, will take a look at your software, competition is always good
dangus•8mo ago
So now our jobs are shifting from doing work, to telling the AI to do work, so now we need management tools to better manage how we are telling the AI to do work.

I must have taken a turn to the wrong timeline.

tapeo•8mo ago
New tools for a new kind of work!
icelancer•8mo ago
Yeah. That's how it works with employees, too.
econ•8mo ago
You give instructions as someone who can do the job themselves.

That ability will decay of course and you will be managing with the best of them. Eh, I mean the worse :)

artichaud1•8mo ago
Love this. I will give it a try. Beautiful landing page as well.
tapeo•8mo ago
Thanks so much, if you try it out feel free to leave feedback if you want!
wewewedxfgdf•8mo ago
I thought about building something along these lines (not the same but vaguely similar).

Then Gemini AI Studio came along with a 1 million token window and allowed me to upload zip files of my entire code base and I lost interest in my own thing.

TZubiri•8mo ago
It technically handles 1M tokens, but if you ask it questions it's obvious that it's too much to handle.

Just upload a novel and ask it questions, you'll see how it botches simple stuff

wewewedxfgdf•8mo ago
Good or bad it's a zillion times better than Claude or ChatGPT where you can't even upload a zipfile.
icelancer•8mo ago
Easiest way to prove it can't handle the full context in reality is to upload a one hour documentary movie with audio and ask it to write timestamps of chapters/critical moments. It can't handle this beyond 10 minutes even remotely reliably.
zwaps•8mo ago
If you want this in numbers check the nolima benchmark
golfer•8mo ago
Seems like this needs to be updated. Lots of newer models not on their list.
tapeo•8mo ago
Yes the long context it's complementary, in other chat services like Gemini you have to rewrite that base context everytime for each new fresh chat, plus they lack of specific data import tools and projects management
douglasisshiny•8mo ago
Is it not a bit weird to freely give give away your entire code base (I assume it's personal, not your company's, but maybe I'm wrong) to an entity like Google?
sampullman•8mo ago
How common is it to have a personal project that isn't open source? Probably more common than I think, but it seems like a foreign concept to me.

Either my code isn't commercialized so I don't mind "giving" it away, or it is commercialized but wouldn't be safe from a clean room implementation anyway. Isn't that what bigco would do of they really wanted to steal your idea?

_1tem•8mo ago
As a business owner that uses Cursor, this is a real risk that I worry about (third parties stealing my code). However, the massive productivity benefit of having access to AI tools far outweighs the risk of them copying my business based on the code alone. Besides, AI is making code less and less valuable. My code is not the moat -- the hard part is the network, traction, brand, distributions, etc.
douglasisshiny•8mo ago
Do you have actual data showing cursor (or any LLM) is a massive productivity benefit for coding? What are the heuristics?
imranq•8mo ago
Nice idea!

I think it would be better if it was just context and not connected to any model. Think of one place where you can hook in your drive folder, GitHub, etc. and have it produce the best context for the task you want to achieve. Then users can copy that to their model or workflow of choice

tapeo•8mo ago
Thank you, this could be a cool feature too add! For example the ability to click a link that redirects to other chat services with your project base context you built and optionally all the messages sent until there
josvdwest•8mo ago
Have you seen Repo prompt yet?

https://repoprompt.com/

iankp•8mo ago
Isn't NotebookLM already exactly web and file context (a "ContextChat")?

Edit: I assume it is basically a similar product, but your differentiators are mainly the customer getting to choose their model, and you getting to write your own context adding ergonomics (like adding links from a Sitemap)?

tapeo•8mo ago
Exactly, similar plus tools to import and manage projects context fast (like GitHub private repos and sitemaps url), multiple ai model and pay per use like using APIs
scottward•8mo ago
Cool! I was excited when I saw this and signed up.

One key thing I was hoping for was a consistent resync with source material particularly google docs. Looks like I'll have to download then upload to your app whenever they change.

Is that right? Auto syncing in the plan?

tapeo•8mo ago
Auto syncing added to the plan!
scottward•8mo ago
Cool. One option is just to integrate with make/n8n/zapier so I could a) trigger on doc changes and then b) upload (and overwrite) the doc in your app
tapeo•8mo ago
Yes this sounds very useful and productive. Having project context updated based on external events. I will share it on socials when ready, thanks for the feedback!
scottward•8mo ago
Sure! Email your users too - since I'm one of them I'll get the email. :)
tapeo•8mo ago
Will do thanks again!
pelagicAustral•8mo ago
edit: whoops... commented on the wrong tab... nevermind, but Godspeed.
tapeo•8mo ago
I appreciate it, thanks and keep building
jmcmaster•8mo ago
How are you handling privacy / security / confidentiality if I upload all this data? No way I could use this for work.
mmh0000•8mo ago
Why do you care about "work" data? They're selling your data[1][2]. You should sell theirs, it's only fair.

[1] https://techpolicy.sanford.duke.edu/blogroll/fortune-500-com...

[2] https://techpolicy.sanford.duke.edu/blogroll/examining-data-...

neuroelectron•8mo ago
Spread the love
davidcbc•8mo ago
Because I unfortunately still need to eat and if I'm fired that will be much harder
tapeo•8mo ago
Yes actually that it's not a trivial topic.

What I can do is to make it very transparent on how data is managed.

The files content are appended to the context builder, then the context and messages are processed through OpenRouter, which is a provider that offers APIs to all the AI models, and the output generated (and the account data) is stored on a secured database on Mongodb platform.

It’s all defined in the privacy policy here: https://contextch.at/docs/privacy-policy/index.html

esafak•8mo ago
Its UX looks similar to You.com
fernly•8mo ago
Compare to Claude Projects?

https://www.anthropic.com/news/projects

tapeo•8mo ago
For what I can see it doesn't offers the flexibility of importing content from a detailed sitemap or private GitHub repositories in a fast way (and more tools to come).

Then it doesn’t has the possibility to switch to different AI models plus you have to pay a monthly subscription.

npollock•8mo ago
Here's how I would market this:

Create "packages" of context for popular API & Libraries - make them freely available via public url

Keep the packages up to date. They'll be newer than the cutoff date for many models, and they'll be cleaner then the data a model slurps in using web search.

Voila, you're now the trusted repository of context for the developer community.

You'll get a lot of inbound traffic/leads, and ideas for tangential use cases with commercial potential.

lagniappe•8mo ago
Of all the suggestions here, this is the one.
hoerzu•8mo ago
To be free and not forward credentials I built an alternative to all-in-one chatting without auth and access to search API through the web: https://llmcouncil.github.io/llmcouncil/

Provides simple interface to chat with Gemini, Claude, Grok, Openai, deepseek in parallel

tapeo•8mo ago
I love this, it can be very useful to have ready to use library of context data and at the same time a perfect solution to bring in new users. Thanks so much.
deepdarkforest•8mo ago
wouldn't that be just 3rd party llms.txt?
ar-jan•8mo ago
https://context7.com/ is just that, in the form of an MCP server.
tapeo•8mo ago
You can't start fresh chats with updated context and you still need to create multiple chat in your preferred chat service and copy-paste data. But this is SO good to use with development environment through docs or MCP! Thanks for sharing
jeswin•8mo ago
An agentic flow can solve this within an existing UI/app; I already use such a workflow when I have to bring in project documentation. That will be your competition.

Since it's a commercial product and feedback can be useful: people would generally be hesitant to leave their existing apps if there's a workaround. There's a certain stickiness to them, even ChatGPT. Personally I use self-hosted LibreChat, and the history and additional features it provides are important to me.

tapeo•8mo ago
I appreciate the feedback!

Yes I will work on make the context management more productive with a ready to use service and with abilities to switch from other services easily.

owebmaster•8mo ago
There is a huge market available not using any App yet.
argestes•8mo ago
This is nice. I would love to be in a mailing list regarding updates
tapeo•8mo ago
Thank you, you can follow products updates on https://x.com/MatteoRicupero where I put products updates more frequently, or here https://contextch.at/mailing-list if you prefer emails
J_cst•8mo ago
I use RooCode and find it quite effective with the ability to switch agents and models within the tasks currently. I recently moved from Cline to RooCode.
tapeo•8mo ago
Yes could be an alternative if you only need it on a development environment
causalmodels•8mo ago
This is really nice. Any chance you have conversation branching on the roadmap?
tapeo•8mo ago
Thank you, usefule feature, just added to the roadmap. If you are intereseted, follow product updates on https://x.com/MatteoRicupero or here https://contextch.at/mailing-list if you prefer emails
tapeo•8mo ago
Conversation branching released! send a message if you want to share your opinion!
ta988•8mo ago
10% fee over the openrouter fees. That's fees all the way down.
tapeo•8mo ago
You're right, I have in roadmap to optmize it by using directly the providers APIs. Would you prefer different pricing like lifetime license?
subscribed•8mo ago
That's a modest price for the service. It's like using openrouter - you don't have to use it, right?