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Show HN: Reverse-engineer any site's API from inside the browser

https://www.rtrvr.ai/blog/vibe-hacking-rover-gemini-flash-lite
4•arjunchint•1h ago

Comments

arjunchint•1h ago
Every website is just a wrapper around an API: GraphQL mutations, JSON endpoints, paginated XHR. The data layer is cleaner than anything you'd get from DOM parsing.

The hard part of raw HTTP scraping was always (1) finding the endpoints and (2) recreating auth. Your browser already has both. We built Vibe Hacking to let the agent use them.

The agent navigates the page, captures network activity, and generates scripts that replay those API calls at scale. Auth propagates automatically because it runs from inside the page.

We tested it on X, it pulled 2,000+ followed profiles despite the UI capping at 50.

DOM-native, no vision/screenshots, #1 on Halluminate WebBench (81.39%). Chrome extension, Gemini Flash Lite default (500 free req/day). Two ex-Google engineers, bootstrapped, 25K+ users.

Happy to answer questions on architecture or limitations.

Fountain Pen Writing Science Analysis

https://www.nakaya.org/en/commitment/23114/
1•Brajeshwar•9m ago•0 comments

Record Number of Student Loan Borrowers Are in Delinquency and Default

https://www.nytimes.com/2026/03/20/business/student-loan-deliquency-default.html
1•lxm•11m ago•1 comments

Long-term weight loss maintenance

https://ajcn.nutrition.org/article/S0002-9165(23)29536-2/fulltext
2•paulpauper•13m ago•0 comments

Why American cities pay over $3k for one trash can

https://thehustle.co/originals/why-american-cities-pay-over-3000-for-one-trash-can
1•paulpauper•14m ago•0 comments

How Long Can a Quadcopter Drone Fly on Just Solar?

https://hackaday.com/2026/03/20/how-long-can-a-quadcopter-drone-fly-on-just-solar/
1•lxm•15m ago•0 comments

The Hypocrisy at the Heart of the AI Industry

https://www.theatlantic.com/technology/2026/03/hypocrisy-ai-industry/686477/
2•paulpauper•16m ago•0 comments

Algorithm Visualizer

https://algorithm-visualizer.org/
1•vinhnx•17m ago•0 comments

FFmpeg 101 (2024)

https://blogs.igalia.com/llepage/ffmpeg-101/
2•vinhnx•17m ago•0 comments

Show HN: Interactive simulation of what your phone does behind the screen

https://canitrustmydevice.com
1•starsmartonl•18m ago•0 comments

I built a zero-knowledge vault with WebAuthn passkeys, no passwords

https://emvproject-production.up.railway.app
1•ejpow•20m ago•0 comments

Mystery Science Theater fan finds and uploads lost episode “K03”

https://www.pastemagazine.com/tv/great-job-internet/mystery-science-theater-3000-lost-episode-k03...
1•coloneltcb•24m ago•0 comments

Sam Altman's Sister's Abuse Claims Against Him Dismissed for Now

https://www.bloomberg.com/news/articles/2026-03-21/sam-altman-sister-s-abuse-claims-against-him-d...
1•aanet•25m ago•0 comments

Open-source Infinite Canvas for managing AI agents

https://github.com/49agents/49agents
1•halcdev•27m ago•0 comments

Evil ClawHack NY

https://nyc.aitinkerers.org/p/evil-clawhack-ny
1•nycdatasci•28m ago•1 comments

Ask HN: How are angels and micro-VCs managing deal flow in 2026?

1•benj_mrtn•35m ago•0 comments

Hive Agents Top OpenAI Parameter Golf Challenge

https://hive.rllm-project.com/task/parameter-golf
1•deviscold•35m ago•1 comments

Ask HN: What should I do to land a position soon?

2•kdroids•43m ago•4 comments

Show HN: A daily deduction game questioning an AI source to find the answer

https://www.play5Qs.com
1•kdubber•43m ago•1 comments

Fibonacci slop is out of control [video]

https://www.youtube.com/watch?v=LWJzirlCv8I
1•vinhnx•43m ago•0 comments

America's biggest problem (it's not what you think)

https://czhou.bearblog.dev/americas-biggest-problem-its-not-what-you-think/
2•czhou578•48m ago•0 comments

Ask HN: Are AI mandates a good idea?

2•Solar_Flare•49m ago•1 comments

My dad vibe-coded a thermostat UI in 12 hours

https://mlich.eu/posts/my-dad-vibe-coded-a-thermostat-ui-in-12-hours/
1•jurajmlich•50m ago•0 comments

Show HN: Yet another Claude Code agent setup, but several noval patterns

https://github.com/notque/claude-code-toolkit
1•AndyNemmity•51m ago•1 comments

FIVE09HUB

https://five09konekte.com/
2•YungDope•53m ago•0 comments

purl: a curl-esque CLI for making HTTP requests that require payment

https://www.purl.dev/
1•bpierre•55m ago•0 comments

MacinAI Local: Building a Model-Agnostic LLM Inference Engine for Mac OS 9

https://oldapplestuff.com/blog/MacinAI-Local/
1•lampiaio•1h ago•0 comments

Keep the Tokens Flowing: Lessons from 16 Open-Source RL Libraries

https://huggingface.co/blog/async-rl-training-landscape
2•vinhnx•1h ago•0 comments

Meta is killing off the Horizon Worlds metaverse. It lost $80B

https://qz.com/meta-metaverse-mark-zuckerberg-horizon-worlds-ai
4•andygcook•1h ago•1 comments

Solve chess checkmate puzzles in the browser

https://www.chess.com/blog/Ushiyutvj/chess-problems-the-puzzle-side-of-chess-youve-never-tried-un...
2•oralstage•1h ago•0 comments

Libfuse io_uring use-after-free and NULL deref (CVE-2026-33150, CVE-2026-33179)

https://github.com/libfuse/libfuse/security/advisories/GHSA-qxv7-xrc2-qmfx
4•agarwal72•1h ago•1 comments