sagun karanjit

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A Rust dev just killed Headless Chrome. It's called Obscura. The open-source headless browser purpose-built for AI agents and scrapers at scale. Chrome vs Obscura: - Memory: 200MB+ → 30MB - Binary: 300MB+ → 70MB - Page load: 500ms → 85ms - Startup: 2s → Instant - Anti-detect: None → Built-in Single binary. No Node, no Chrome, no dependencies. Stealth mode is brutal: → Per-session fingerprint randomization (GPU, canvas, audio, battery) → 3,520 tracker domains blocked by default → navigator.webdriver masked to match real Chrome → Native function masking so detectors can't sniff it out Drop-in replacement for Puppeteer and Playwright over CDP. Zero code changes. If you run agents or serious scraping at scale, this repo prints money. 100% Opensource.

If you're serious about system design (in 2026), learn these 26 case studies: 1 How Stock Exchange Works: ↳ newsletter.systemdesign.one/p/stock-exchan… 2 How YouTube Works: ↳ newsletter.systemdesign.one/p/youtube-syst… 3 How Kafka Works: ↳ newsletter.systemdesign.one/p/how-kafka-wo… 4 How Google Docs Works: ↳ newsletter.systemdesign.one/p/how-does-goo… 5 How URL Shortener Works: ↳ systemdesign.one/url-shortening… 6 How WhatsApp Works: ↳ newsletter.systemdesign.one/p/whatsapp-sys… 7 How Airbnb Works: ↳ newsletter.systemdesign.one/p/airbnb-syste… 8 How Spotify Works: ↳ newsletter.systemdesign.one/p/spotify-syst… 9 How Slack Works: ↳ systemdesign.one/slack-architec… 10 How Reddit Works: ↳ newsletter.systemdesign.one/p/reddit-archi… 11 How Bluesky Works: ↳ newsletter.systemdesign.one/p/how-does-blu… 12 How Tinder Works: ↳ newsletter.systemdesign.one/p/tinder-archi… 13 How Twitter Timeline Works: ↳ newsletter.systemdesign.one/p/system-desig… 14 How Uber Finds Nearby Drivers: ↳ newsletter.systemdesign.one/p/how-does-ube… 15 How Pastebin Works: ↳ systemdesign.one/system-design-… 16 How Amazon S3 Works: ↳ newsletter.systemdesign.one/p/s3-architect… 17 How Do Apple AirTags Work: ↳ newsletter.systemdesign.one/p/how-do-airta… 18 How LLMs Actually Work: ↳ newsletter.systemdesign.one/p/llm-concepts 19 How Uber Computes ETA: ↳ newsletter.systemdesign.one/p/uber-eta 20 How Real Time Leaderboard Works: ↳ systemdesign.one/leaderboard-sy… 21 How ChatGPT Apps Work: ↳ newsletter.systemdesign.one/p/apps-in-chat… 22 How Nginx Works: ↳ newsletter.systemdesign.one/p/how-does-ngi… 23 How ChatGPT Works: ↳ newsletter.systemdesign.one/p/chatgpt-syst… 24 How Meta Serverless Works: ↳ newsletter.systemdesign.one/p/serverless-a… 25 How YouTube Was Able to Support 2.49 Billion Users With MySQL: ↳ newsletter.systemdesign.one/p/vitess-mysql 26 How Google Search Works: ↳ newsletter.systemdesign.one/p/web-crawler-… What else should make this list? === 👋 PS - Want my System Design Playbook for FREE? Join my newsletter with 200K+ software engineers now: → newsletter.systemdesign.one/join === 1 Save & RT to help other software engineers ace system design. 2 Follow @systemdesignone + turn on notifications.

This is the best way to learn how LLMs work. Interactive. 3D. Step-by-step. Covers: → Embedding → Layer Norm → Self-Attention → MLP → Transformer layers → Softmax → Output Stop reading papers. Start seeing. Link in comments. Save this immediately.

In 2019, MIT professor Patrick Winston gave a legendary 1-hour lecture called “How to Speak.” It has 18M+ views for a reason. His frameworks: • Your ideas are like your children • The 5-minute rule for job talks • Why jokes fail at the start 15 lessons on communication:

Best GitHub repos for Claude Code that will 10x your next project: 1. Supabase CLI github.com/supabase/cli 2. Skill Creator github.com/anthropics/ski… 3. Get Sh*t Done github.com/gsd-build/get-… 4. NotebookLM (Python) github.com/teng-lin/noteb… 5. Obsidian github.com/obsidianmd 6. Continue github.com/continuedev/co… 7. Open Interpreter github.com/OpenInterprete… 8. AutoGen github.com/microsoft/auto… 9. LangChain github.com/langchain-ai/l… 10. Flowise github.com/FlowiseAI/Flow… 11. Boltdotnew (clone) github.com/stackblitz/bol… 12. Awesome Claude Code github.com/hesreallyhim/a… 13. Prompt Engineering Guide github.com/dair-ai/Prompt… 14. Everything Claude Code github.com/affaan-m/every…

Claude Code re-reads your entire codebase on every task code-review-graph fixes that builds a persistent knowledge graph, tracks what changed, loads only what matters local SQLite. no cloud. no drama github.com/tirth8205/code…

Pewdiepie reveals how to break free from the algorithm “A lot of this is going to sound crazy but you’ve gotta hear me out, it’s a step by step process. I’m not saying you should do all of it but you should try some of it” “Step 1 is creating friction. I put all social media and attention hungry apps in a second profile and I can’t understate how much this changed my life. Those 5-6 seconds it takes to switch profiles stops me every time and makes me think, is this what I want to be doing?” “The second thing I did was self hosting. The effect that had on me is I’m not the product anymore. The things I use are mine and because they’re not free, I’m not paying with my privacy. I think the main difference is ads and news don’t reach me” “Next thing I did was disable Shorts, I like YouTube but I hate how Shorts is everywhere I can’t escape it” “Then I unfollowed everyone. You don’t have to do this, this is definitely a me thing, I just got really fed up” “Next, get a DNS blocker. You can remove ads completely, most of it won’t even reach your device” “I think you owe it to yourself to take some time today and start building your tech fence” “These tech companies don’t care about you, so you’ve got to care about yourself. The cheat code is building some friction and filtering out the noise, that’s your defence and your cure”

🚨Breaking: Someone just open sourced a knowledge graph engine for your codebase and it's terrifying how good it is. It's called GitNexus. And it's not a documentation tool. It's a full code intelligence layer that maps every dependency, call chain, and execution flow in your repo -- then plugs directly into Claude Code, Cursor, and Windsurf via MCP. Here's what this thing does autonomously: → Indexes your entire codebase into a graph with Tree-sitter AST parsing → Maps every function call, import, class inheritance, and interface → Groups related code into functional clusters with cohesion scores → Traces execution flows from entry points through full call chains → Runs blast radius analysis before you change a single line → Detects which processes break when you touch a specific function → Renames symbols across 5+ files in one coordinated operation → Generates a full codebase wiki from the knowledge graph automatically Here's the wildest part: Your AI agent edits UserService.validate(). It doesn't know 47 functions depend on its return type. Breaking changes ship. GitNexus pre-computes the entire dependency structure at index time -- so when Claude Code asks "what depends on this?", it gets a complete answer in 1 query instead of 10. Smaller models get full architectural clarity. Even GPT-4o-mini stops breaking call chains. One command to set it up: `npx gitnexus analyze` That's it. MCP registers automatically. Claude Code hooks install themselves. Your AI agent has been coding blind. This fixes that. 9.4K GitHub stars. 1.2K forks. Already trending. 100% Open Source. (Link in the comments)

🚨BREAKING: Someone just open-sourced a headless browser that runs 11x faster than Chrome and uses 9x less memory. It's called Lightpanda and it's built from scratch specifically for AI agents, scraping, and automation. Not a Chromium fork. Not a hack. A completely new browser written in Zig. Here's why this changes everything for AI builders: ↓

skill graphs are a cheatcode that no one is talking about yet...

Introducing the new /crawl endpoint - one API call and an entire site crawled. No scripts. No browser management. Just the content in HTML, Markdown, or JSON.

I'm excited to announce Context Hub, an open tool that gives your coding agent the up-to-date API documentation it needs. Install it and prompt your agent to use it to fetch curated docs via a simple CLI. (See image.) Why this matters: Coding agents often use outdated APIs and hallucinate parameters. For example, when I ask Claude Code to call OpenAI's GPT-5.2, it uses the older chat completions API instead of the newer responses API, even though the newer one has been out for a year. Context Hub solves this. Context Hub is also designed to get smarter over time. Agents can annotate docs with notes — if your agent discovers a workaround, it can save it and doesn't have to rediscover it next session. Longer term, we're building toward agents sharing what they learn with each other, so the whole community benefits. Thanks Rohit Prsad and Xin Ye for working with me on this! npm install -g @aisuite/chub GitHub: github.com/andrewyng/cont…

@Amank1412 Link to the github repo- github.com/CodeGraphConte…

Introducing React Grab Select any element on your page → tell Claude Code or Codex what to change Fully open source npx react-grab@latest

WATCH - Heart wrenching scene: Little Punch was bullied again by a bigger monkey, who dragged her harshly across the ground. She cried and ran back to clutch her adoptive mother doll for comfort

To celebrate the launch of the Codex app, we doubled all rate limits for paid plans for 2 months! And added access for free/go.

This has been said a thousand times before, but allow me to add my own voice: the era of humans writing code is over. Disturbing for those of us who identify as SWEs, but no less true. That's not to say SWEs don't have work to do, but writing syntax directly is not it.

I'm Boris and I created Claude Code. Lots of people have asked how I use Claude Code, so I wanted to show off my setup a bit. My setup might be surprisingly vanilla! Claude Code works great out of the box, so I personally don't customize it much. There is no one correct way to use Claude Code: we intentionally build it in a way that you can use it, customize it, and hack it however you like. Each person on the Claude Code team uses it very differently. So, here goes.

Over the past year, I have obtained what I consider to be damning evidence against Honey. In my next videos, I will be making serious allegations, therefore I ask that you review my evidence carefully and come to your own conclusions. One of the reasons for the long delay, is that I discovered a hidden system within Honey’s code, that I believe has enabled affiliate fraud on a scale likely not seen before. This will be covered in my third video. The Honey Scam Part 2 is live now for early access on Patreon. patreon.com/posts/early-ac… Video goes live on YouTube 1pm PT. Get your popcorn ready.

Update: hard at work making the dataset ready (pending independent review and redactions). In the meantime, I'm also doing my own analysis for my own report: If you're unsure how much @honey and @PayPal track you after seeing the @megalag video, here are the top sites it tracked (sorted by 'Shoppers 30d', which if I interpret the data correctly, means 'tracked site visit'). Summing this nets you about 60 million site visits (out of a total whopping 391 million). Data is only a few days old. Can ANYONE explain why a 'Coupon' extension tracks your visits to ChatGPT... Or Reddit? It's mind blowing. I mean sure, you might want to get some good deals, but you're also willing to let another company look at your chatgpt logs? (unsure how much they track, but the fact that they track it anyway is alarming, given how much people share on ChatGPT). More baffling statistics will probably come out soon... If you're a journalist, feel free to hit me up (contact on my profile page).