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TL;DR: An MCP registry is a centralized catalog of MCP servers - what they do, how to connect, what tools they expose, and who's authorized to call them. Without one, every developer and agent maintains their own copy of that information, credential rotation breaks everything, and access control is nonexistent. With one, tool discovery is dynamic, credentials are managed centrally, and RBAC governs what each agent can see and call. This post covers what it is, how it works, and the specific fai...

We built our first multi-agent system by accident. We had a single agent handling document analysis for a client — extract data, validate it, write a summary, trigger a follow-up action. It worked in demos. In production, it hallucinated its way through the validation step roughly 15% of the time, because one context window was doing too much and losing the thread. The fix wasn't better prompting. It was splitting the work across agents that each had one job. That experience shaped how we thi...

Years ago, before youtube's recommendation targeting got sophisticated, suggested videos were all over the place, and frequently far from your personal taste. You'd start watching your normal content, and somehow the next video is a man explaining geopolitics to multiple cats. You've entered the "Weird Side of YouTube". A few years ago, some college friends decided that place deserved its own dedicated home. So we built https://weirdtube.wtf/ The concept is intentionally stupid. Hit...

A side project that turned into the hardest client-side engineering I've ever done. I used to watch IPTV in my college mess hall — just open a website, pick a random channel, and zone out. No algorithm, no recommendations, no decisions. After long days when I had zero cognitive energy left, it was the perfect way to decompress — just watch whatever random broadcast was on, from wherever in the world. One day I thought: what if I turned this into something interactive? A game where you wat...

The cover image on this page is about 20 KB. The file I made was 70 KB. 🤔 Why That is three times bigger than it needs to be — for a file whose only job is to load. This happens a lot. You make a PNG, you know it is too big, but making it smaller means a website, an upload, a download, and a manual swap. Four steps for a file you already finished. So you skip it and ship the big one. 🤏 What tiny makes an image smaller with one instruction. It sends the file to ...

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Not because the user is an idiot but because they are not an accountant. I will be building this entirely in public here on r/startups for now. After 6 months of R&D (procrastination), I just started building this and will take you through the entire process from build to our first customers and to the moon and beyond. This series will be posted twice a week so keep a lookout! Before we get started let me answer the questions I get asked the most, Am I stupid to want to compete again...

My life goal has been and will always to build a successful start up, whether that is as a founder or early stage member etc I want to break into the fintech, specially fraud-prevention, but i don't have any experience outside of my legacy company, no connections, I really dont have much going for me I want to join a start up, ideally early stage, and learn about start ups, the ins and outs, ideally in a role that exposes me to as much as possible But I've been struggling to find a way to ...

I’m trying to sell software (AI agents for specific problems) to franchise dealerships in the US. Just trying to get our first paid pilot now However, I’m not based in the US. And especially with the automotive industry, it operates as a very face 2 face type-relationship basis. I was advised to make connections with the industry trade association in the US and have those people get me warm intros into the industry I definitely believe in this approach and I’m working on it The thin...

The VS Code files stare at me like a puppy who’s been abandoned by their owner. Every time I dare to walk away, their hope shatters like the glass of the vodka bottle accidentally dropped last night. Where was I? I live in my own world, I commence new projects, open new files like there’s no tomorrow. But when tomorrow arrives, they meet their bitter end. They stay in the far back of my mind, sometimes they pop into my frontal lobe, reminding me of the already gone zeal I had. Yesterday, I ...

context: I built a price comparison tool for PC hardware as a solo project. Scraping 15 EU retailers across 9 countries every 6 hours since March. the traction was actually good: 50,000 real monthly visitors (analytics undercounts due to adblockers) viral posts on Reddit (1m+ views) an AI chatbot started recommending it as a top resource in its category 41,000 affiliate clicks in June alone revenue from all that traffic and clicks: €7 not €7k. seven euros. as in, less than a ...

I am based in the EU and building apps. I have this idea to incorporate one single umbrella company that will have these 3 apps until one of them takes off. I am thinking of establishing in the US and here are my questions: What are the cons of incorporating in the US as a EU resident and citizen? The company will make no profit at the beginning: is tax filling in such case a burden or easy enough? in which state would you suggest to incorporate? I am looking for a cost effective solutio...

I’m currently building in the ai/ml infrastructure space, specifically around automating model training and fine-tuning workflows: from dataset preparation to training, evaluation, and deployment. we’re still pre-revenue / early build stage, and I’m trying to understand how experienced founders approached enterprise design partners or paid pilots before they had real traction. i’ve seen a lot of b2b and enterprise startups validate this way before scaling, but the actual process is still unc...

I’m currently building in the ai/ml infrastructure space, specifically around automating model training and fine-tuning workflows: from dataset preparation to training, evaluation, and deployment. we’re still pre-revenue / early build stage, and I’m trying to understand how experienced founders approached enterprise design partners or paid pilots before they had real traction. i’ve seen a lot of b2b and enterprise startups validate this way before scaling, but the actual process is still unc...

I built an event/experience discovery platform. Before users can use a marketplace, it helps if there are things in it. I solved the cold start problem by deciding to make profiles for the events and businesses that I plan to feature with a claim wizard that easily hands over the account. What I ran into was a lack of good photos to source publicly, it seems reels on IG are more popular and most of the photos couldn’t be cropped to be included. I’ve landed on reaching out individually to th...

context: I built a price comparison tool for PC hardware as a solo project. Scraping 15 EU retailers across 9 countries every 6 hours since March. the traction was actually good: 50,000 real monthly visitors (analytics undercounts due to adblockers) viral posts on Reddit (600k+ views) an AI chatbot started recommending it as a top resource in its category 41,000 affiliate clicks in June alone revenue from all that traffic and clicks: €7 not €7k. seven euros. as in, less than ...

After trying to build my own start up and failing I'm beginning and I would like to start at interning as a product analyst intern or customer Insights intern in a start up or work with a founder. Happy to have a conversation with anyone, also if you know any startup that needs a hand please feel free to mention me, thank you.

Does there need to be 3 or more direct competitors in to the problem/s I’m planning to revolve my startup around? It’s AI agents for a few specific problems inside service departments for automotive technicians There’s a whole bunch of other AI agent startups revolved around other problems like customer sales cycle etc in automotive dealerships (n but not these specific problems) But Currently I’m not seeing any around these specific set of problems specifically except one, they’re backed ...

I have been building this app called Fumblemap and before even starting it, I researched online about startups that are doing the same (I heard Hormozi to just copy what others are doing but in a more practical way). I fixated on the idea that I'd build the app that'd help Indie Hackers and SaaS founders to fix user churn and improve UX without having to watch video recordings and heatmaps and simply get the solution through raw data and last report from an LLM to make it easier for them to k...

Most AI chatbots are basically wrappers around a knowledge base. They’re good at answering documentation‑level questions, but customers rarely ask those. They ask things like: * “Where’s my order” * “Can I exchange this” * “Has my refund been processed” * “What did we decide last time I contacted support” A knowledge base can’t answer any of that. You need context from multiple systems. I’ve been working on a support tool that tries to solve this by pulling in: * KB articles * ...

CEO of a $2M ARR AI startup that sell to tech midmarket/enterprises. most of it was added in the last 18 months. We're struggling with pipeline generation right now. Our ICP changed and we see larger companies come to our demos and actually convert. The ones that book a demo convert at a very high rate, expand and are very happy. As a VC startup we now need to 3-5x our revenue if we are to raise the next round. It means we need to grow fast. We have a problem generating pipeline. We get so...

I’m currently working on a cosmetics/skincare startup and one thing I’ve been struggling with is finding reliable market data. Whenever I need information like market size, growth rates, consumer trends, pricing, competitor analysis, retailer performance, ingredient trends, or industry forecasts, I end up finding reports that cost anywhere from hundreds to thousands of dollars. For those of you who regularly work with market research or data: Which platforms do you actually use? Which ones ...

This is a warning and rant to any founders looking for a co-founder or business partner through co-founder matching platforms or programs. I did Antler about half a year ago (I won't specify the location), and I have to say that some of the people I met there were among the biggest liars, narcissists, and most ego-driven people I have ever met. Some of them have spent so long in the corporate world that their brains have turned to mush, or have probably always been like this. They will lie...

Article URL: https://macrodata.co/blog/annotating-robot-video-subtasks Comments URL: https://news.ycombinator.com/item?id=48724274 Points: 14 # Comments: 2

Article URL: https://blog.arxiv.org/2026/06/30/arxivs-next-chapter/ Comments URL: https://news.ycombinator.com/item?id=48741748 Points: 72 # Comments: 9

Article URL: https://ramp.com/data/ai-jobs-impact Comments URL: https://news.ycombinator.com/item?id=48742176 Points: 39 # Comments: 29

Article URL: https://www.conception.bio/science-and-updates/the-first-early-human-eggs-from-stem-cells Comments URL: https://news.ycombinator.com/item?id=48742483 Points: 78 # Comments: 20

Article URL: https://ayushtambde.com/blog/matrix-orthogonalization-improves-memory-in-recurrent-models/ Comments URL: https://news.ycombinator.com/item?id=48742514 Points: 27 # Comments: 2