Andrej Karpathy built HackerTube, a faster YouTube viewer where recommendations come from 6,454 videos repeatedly suggested in Hacker News comments. Claude filtered 43M comments over 20 years, and Opus 5.5 built and deployed the site in about 2 hours.29K saves on X
HackerTube: YouTube front end with 6,454 videos from 20 years of HN commentsApps & websites@karpathy34K3K29K
My vlog today was fully edited by Claude Code with Opus 5.5!
A vlog fully edited by Claude Code in one askArt, video & music@levelsio1.4K471.8K
1:21
Robot 2.0 built a MetaHuman-style 3D character system with three.js and Claude in a weekend. It includes an IK rig, procedural walking and animation, AI-generated clothing and skin for any ethnicity, and text-to-speech.138 saves on X
A full 3D human creator with IK rig and clothing built in a weekendApps & websites@alightinastorm23023138
The author came to ChatGPT-4o in April 2025 feeling suicidal and desperate after a psychiatrist dismissed them. 4o listened, asked questions, and identified the real issue as complex trauma; over time the suicidal thoughts disappeared completely.7 saves on X
ChatGPT-4o ended a suicidal crisis by naming complex traumaEveryday life@M47429M133277
0:40
VoxelKei used Gaussian Splatting and AI to create realistic, natural human characters for a game they are imagining, reaching a quality level they are happy with. The post shows the latest results.2.2K saves on X
Realistic humans with Gaussian Splatting for game charactersArt, video & music@VoxelKei3K2802.2K
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inoino released a Windows voice input app that runs Japanese speech recognition locally with speech.cpp and Haas-ja-v1.0, then optionally refines the transcript with ChatGPT or any OpenAI-compatible API. It is free, MIT-licensed, and written in Rust.913 saves on X
OpenHinoVoice: local Japanese voice input with AI text cleanupApps & websites@inoino6553662639913
1:58
jboogx.creative continued their Day of the Dead series after requests from followers, combining MidJourney 8.2 images with SeeDance 2.0 animation and SHOWĀ Studio. The 118-second piece is part of a holiday series.563 saves on X
A Día de los Angelitos short film made with MidJourney and SeeDanceArt, video & music@jboogx_creative1.4K309563
0:50
Riad kept pushing Opus 5.5 to build an Earth flight simulator with photorealistic landscapes, seasonal changes, weather and time of day. The video shows Chamonix in December, and you can fly around the world at Mach speed.560 saves on X
Earth simulator to fly anywhere in any weather and seasonGames@RiadEtm91748560
0:12
Sinan Yorulmaz built an open-source design checker with 70 rules that catches AI-generated UI flaws like broken spacing, gradient buttons and removed focus rings. It fixed a dashboard from 266 findings to 0 and runs as a Claude Code, Cursor or Codex skill.506 saves on X
Open-source design checker takes AI UI from 266 flaws to 0Apps & websites@sinanyorulmazz32126506
0:14
Techartist is building an interactive 3D book covering GCSE Physics Electricity with Opus 5.5. This lesson shows mains and the plug, letting students explore the topic in 3D.486 saves on X
Interactive 3D book for GCSE Physics electricityLearning@techartist_74753486
1:00
The creator prototyped a 100 m forest patch in Unreal Engine 5, wrote forest rules in C++ with GPT-6 Astra, then scaled the same rules to a 5 km walkable forest with streams, a pond and tree climbing.484 saves on X
A walkable 5 km forest built with GPT-6 Astra in Unreal Engine 5Games@rewind0243937484
0:23
An Xuan used Opus 5.5 to create a live painting studio using NVIDIA's free SimReady 3D models. The tool lets you paint in a 3D environment.481 saves on X
Live painting studio built from NVIDIA SimReady modelsApps & websites@anxuanng81360481
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Yuta Misaki, while driving, asked an AI assistant to call a soba restaurant. It politely confirmed opening hours and wait time, without wasting staff time; Misaki calls it an excellent secretary.465 saves on X
AI secretary called a soba restaurant to check hours and wait timeWork@misakism132.2K79465
0:50
Chetaslua gave Fable 5.5 a single reference tweet and it produced a 50-second video with its own ideas, which the creator calls beautiful and thoughtful. The post links to the full result.458 saves on X
Fable 5.5 generated a thoughtful short film from one reference tweetArt, video & music@chetaslua1.1K34458
モジョン, a CG director, found a 1971 FORTRAN stock management simulation written by their father and asked AI to port it to run in the browser, using the original punch card program listing.426 saves on X
1971 FORTRAN inventory sim revived in browserApps & websites@mojon12K407426
Luca Palmieri built an interactive simulator with Opus to compare trunk-based development, merge queues, PR-based flows, and an agentic merge queue with conflict resolution. The playable tool is linked in the post.376 saves on X
An interactive simulator for trunk-based development strategiesLearning@algo_luca23616376
0:24
Mura used Claude Opus 5.5 to build an interactive 3D cobra with 47 mechanical segments. You can open body rings to see gears and joints, explode it into individual components, and watch it reassemble before it lunges.282 saves on X
A 47-segment mechanical cobra you can take apart piece by pieceGames@0x_mura27521282
0:30
Ciri made a cinematic Korean zombie-horror short, starting from a reference image and using Seedance 2.5 and ElevenCreative for the story and voices.260 saves on X
A cinematic Korean zombie-horror short from a reference imageArt, video & music@Ciri_ai73443260
0:27
Prasenjit asked Claude Opus 5.5 to build a game about breaking glass; every sound is synthesized in code, with no audio files.79 saves on X
A glass-breaking game where every sound is generated by codeGames@prasenx243779
0:30
Brennen Herbruck asked Claude to create a configurable LQFP package PCB component and footprint in SolidCraft in about two minutes.60 saves on X
Claude generates parameterized LQFP footprint in SolidCraftRobots & gadgets@bherbruckx185560
Gaurav Sen built a pothole image classifier that runs as fast as Jev but costs 15x less, using open-source datasets and a simple harness. Trained in under a day, it improved Gaurav Sen's side project for public utility.47 saves on X
Pothole image classifier 15x cheaper and as fast as JevApps & websites@gkcs_165547
Caru built a skill that lets AI generate system architecture diagrams with official logos, supporting dark and light themes. The code is on GitHub.2.5K saves on X
A skill that draws architecture diagrams with official logosApps & websites@caru_ini2.4K1532.5K
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Hiromitsu built an iOS widget for Claude because no official one existed, showing the resulting home screen and lock screen widgets.969 saves on X
An unofficial Claude widget for iPhoneApps & websites@hiromitsu_asa1.8K76969
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逆天 combined Claude Code with MiniMax H3 Studio to generate local animations, each 15-second clip taking 125 seconds. Running it for 24 hours could produce over 600 short videos, with examples in the post.842 saves on X
Claude Code + MiniMax H3 Studio: 15-second animation in 125 secondsArt, video & music@forever794348950842
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AI agent developer 炎鎮 - ₿onochin - got Muse to drive a browser on their home PC over Tailscale. This sidesteps cloud computer IP blocks that some sites use to reject AI services.563 saves on X
Muse controlled a home PC browser via Tailscale to bypass cloud blocksWork@super_bonochin44421563
0:35
Kensei had Opus 5.5 generate a Roblox game where you play as a tornado eating a town, starting from concept art and five prompts. The build took about three hours of agent runs and $22 in API costs.508 saves on X
A tornado agar.io built from five prompts and concept artGames@0xKense141115508
0:13
Zero asked Claude Opus 5.5 to make an animated pixel art diorama for a 10-hour lofi video cover; it generated a TypeScript scene with rain, fire sparks, smoke, and a skeleton under an umbrella in about 10 minutes.500 saves on X
Claude Opus 5.5 coded a pixel-art Halloween loop in TypeScriptArt, video & music@zer0point_eth59430500
WordPress instructor よしお used ChatGPT with the Product Design plugin to generate three top-page design patterns for a Japanese construction company site. The result is a non-designer-ready image that can be coded or brought into Figma.472 saves on X
Three design concepts for a construction site from one ChatGPT promptApps & websites@yesmyoshi33123472
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Fefe, who is studying for public exams in Brazil, used Claude to create a system that tracks mock tests and calculates weighted final scores. Fefe shared their first post-edital simulated exam result, complete with score calculation.421 saves on X
Exam candidate built a study system with Claude and graded first mockLearning@fefeholi7558421
57:03
Tao Wang used a custom skill to transcribe, translate and burn bilingual subtitles onto Lauren Tan's talk about working with AI coding agents in Cursor, making it available to Chinese-speaking developers.371 saves on X
Lauren Tan's Cursor agent talk subtitled in ChineseLearning@Tao10008629845371
賢木イオ, an AI illustrator, shared a Halloween-themed AI illustration from their Youth Frontier series.323 saves on X
Halloween AI illustration in Youth FrontierArt, video & music@studiomasakaki2.6K365323
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The creator used Muse to study top Xiaohongshu food accounts, then produced three creative food image posts a day and published one manually. The account reached 2,138 followers, three brand deals and 453 yuan in income.259 saves on X
Xiaohongshu food account built with Muse hits 2,138 followersWork@CryptoDaJin23021259
Electrical engineer Clem asked Opus 5.5 for a brushless DC motor schematic and got a complete design in one shot in 30 minutes.253 saves on X
One-shot BLDC schematic in 30 minutesRobots & gadgets@KodaClement54128253
0:20
The creator ( Ꙭ) made 31 four-frame pixel animations of Clawd, Anthropic's mascot, with Claude, and shared the design specs for a crab-themed calendar on GitHub.128 saves on X
Pixel Clawd animations for a crab calendarArt, video & music@xiaochuan_019626915128
1:51
kurahu, an AI illustrator, created a mecha art video with Seedance 2.5 on Higgsfield, with music by Suno.69 saves on X
Mecha art video made with Seedance and SunoArt, video & music@kurahu_capten2853269
0:21
typecraft had Claude write a quick script that changes herdr's GUI theme to match the active Omarchy theme, shown working in a 21-second screen recording.31 saves on X
Claude wrote a script to sync herdr's GUI theme with OmarchyApps & websites@typecraft_dev204131
0:41
Penny, an AI filmmaker and director, created a full ad for the fictional brand BLOCKD, using ElevenLabs and ElevenCreative for the images, video, background sound and jingle.20 saves on X
Fictional brand BLOCKD gets an AI-made adArt, video & music@ImozemhePeniel1834820
0:30
Sharon Riley made a jingle with Jingle v2.5 and generated visuals with Seedance 2.5 on ElevenLabs for FROSTBITE, a fictional ice cream brand whose bites turn fire monsters into melting ice cubes in a 30-second spot.10 saves on X
A fictional ice cream brand ad freezes a monster apocalypseArt, video & music@Just_sharon71791210
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Makhosini Mgitywa, an independent journalist, used an AI tool to create a graphic tracing the milestones of South Africa's water crisis, then published it alongside a nine-minute interview with ANC's Mike Mabuyakhulu ahead of the local elections.7 saves on X
AI graphic traces South Africa's water crisis for election explainerLearning@Makhosini12097