--- format: "aidr-story-markdown/v1" id: "0ce44acf8ef3b81cba0af6e861ed9db3f0471ad254a1e043d88a1da23623439f" canonical_url: "https://aidr.today/0ce44acf?lang=en" title: "Andrej Karpathy Builds Custom YouTube Recommendation Site in 2 Hours With Claude" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-11-01T21:07:52.000Z" category: "Tools" topics: ["anthropic","agent","devtools"] source_urls: ["https://marketbrief.now/ai/andrej-karpathy-builds-custom-youtube-recommendation-site-in-2-hours-wit-96ac66d0","https://x.com/karpathy/status/2116957135661945283","https://x.com/DarkWebInformer/status/2116998892474794280","https://huggingnews.com/ai/andrej-karpathy-builds-custom-youtube-recommendation-site-in-2-hours-wit-96ac66d0"] summary: "Andrej Karpathy built a custom tool called HackerTube in 2 hours using Claude Opus 5.5. The software analyzed 43 million comments from 20 years of Hacker News to isolate 6,454 frequently recommended videos. Karpathy deployed the website using Claude Code on a rented virtual private server." --- # Andrej Karpathy Builds Custom YouTube Recommendation Site in 2 Hours With Claude > [Open the canonical story]() **Published:** 2026-11-01T21:07:52.000Z **Category:** Tools **Topics:** anthropic, agent, devtools ## Summary Andrej Karpathy built a custom tool called HackerTube in 2 hours using Claude Opus 5\.5\. The software analyzed 43 million comments from 20 years of Hacker News to isolate 6,454 frequently recommended videos\. Karpathy deployed the website using Claude Code on a rented virtual private server\. ## Sources - [Story source]() - [Story source]() - [Supporting source]() - [Story source]()