Sebastian Korfmann

youtube.comAgentic Conf Hamburg 2026 - YouTubeTalks from Agentic Conf Hamburg 2026: a one-day conference on agentic coding, by practitioners for practitioners. 22 March 2026, SAE Institute Hamburg. Pract...

Opus 5.5 was busy and published the talks we had for the agentic.hamburg conf we did earlier this year. www.youtube.com/playlist?lis...

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the second session was taking the other half of the videos still raw on a dropbox, analysing, cutting, editing, polishing and uploading to youtube via the browser in roughly 5 hours for 10 videos.

not really surprising that it works - what still amazes me is that this was a plain session, no "/goal" or workflow, it just kept going fully unattended, made judgment calls like aligning the sound level, quality improvements, etc. This would have taken me days, and the results would've been worse

Opus 5.5 was busy and published the talks we had for the agentic.hamburg conf we did earlier this year. www.youtube.com/playlist?lis...

blog.googleIntroducing agentic video understanding with GeminiWe’re launching agentic video understanding across our latest Gemini models for improved accuracy and lower costs and token usage.

These were two opus 5.5 session, the first one yesterday evening editing the first stage which was already a draft in youtube (via browser) and analysing via gemini blog.google/innovation-a...

Sebastian Korfmann reposted

Tobias Müller

@tobilg.com

27 Aug

Launching Gespenst 👻 - A browser & headless terminal built on Ghostty's ghostty-vt WASM. Byte-oriented Web Streams API, WebGPU/WebGL2 rendering, and an xterm.js 6.0 compatibility package so you can try it without a rewrite. gespenst.dev

gespenst.devgespenst — Ghostty VT for the webA high-performance TypeScript terminal with Ghostty VT and portable browser-only shells.

much security

Is my Bluesky follow feed dying? Yes. isblueskydying.com/skorfmann.com So whom should I follow? Mostly agentic / ai topics or somehow local (Hamburg metropolitan area)

isblueskydying.comisblueskydying.com

So, anyone built an x like for you feed based on what they published? Would be curious how this works on Bluesky www.heise.de/en/news/X-ma...

heise.deX makes timeline algorithms open source – and promises transparencyThere has been much speculation about how X decides which posts end up in the algorithmic timelines. Now you can check it yourself.

14 Aug

Besuch am Badestrand

2026. Ein Terminbuchungsportal erlaubt standardmäßig nur die großen Mailanbieter. Eigene Domain? Ticket aufmachen, warten, bis ein Techniker sie von Hand freischaltet. Kein MX-Check, kein Double-Opt-In. Menschliche Freigabe.

Sebastian Korfmann reposted

Hendrik Mans

@hmans.dev

29 July

August 25, Hamburg, save the date! #svelte

{🧪} +paoloricciuti.svelte@paolo.ricciuti.me

On the 25th of August I'll be in Hamburg to talk to TechCamp Hamburg and we are organizing an impromptu svelte meetup with @hmans.dev if you are in town or near it join us for some svelte chatty evening!

29 July

If this bridge was a software project 😅

Sebastian Korfmann@skorfmann.com

The new Sternbrücke is on the move: 108 m long, 4,500 tonnes, rolled through Altona to replace a bridge from 1926. There’s a livestream. #hamburg www.eisenbahnbruecken-ehm.de/sternbruecke...

29 July

The new Sternbrücke is on the move: 108 m long, 4,500 tonnes, rolled through Altona to replace a bridge from 1926. There’s a livestream. #hamburg www.eisenbahnbruecken-ehm.de/sternbruecke...

28 July

this got so annoying that I'm back to codex for coding projects

12 July

So Anthropic keeps „relaunching“ Fable every week now, or what is this about?

hmans.devChatto is now Open Source!The snappiest chat application you've ever used is now available for self-hosting.

10 July

Ostsee

Sebastian Korfmann reposted

Hendrik Mans

@hmans.dev

8 July

Very happy to announce that @chatto.run, the amazing little team chat app you can self-host from your own infrastructure (and quite easily so), is now available & Open Source. ✨

Sebastian Korfmann reposted

Carlo Zottmann

@zottmann.dev

28 June

For testing out a few inference providers for #GLM5.2, I created a new #Pi extension for Euro provider #TensorX. They have a smol selection of models (tensorx.ai/models/), but what they serve, they serve *fast*. 200+ tps, constantly. Nice! github.com/czottmann/pi... #LLM

github.comGitHub - czottmann/pi-tensorx: TensorX provider extension for pi coding agent. (TensorX is a European LLM router. I'm a customer.)TensorX provider extension for pi coding agent. (TensorX is a European LLM router. I'm a customer.) - czottmann/pi-tensorx

24 June

Klimaanlagen sind das neue Klopapier 🌞

luma.comAgentic Coding Meetup #6 · LumaAgentic Coding Meetup #6 — hosted by XING at their new Baumwall office. Hamburg's meetup for people who build with AI, not just talk about it. Practitioners…

17 June

Agentic Coding Meetup #6 - Tue 7 July, 18:00 @ XING Baumwall. Two talks + lightning demos (5 min) + people building with AI for real → luma.com/agentic-ymzl

17 June

2 hours after announcing all 130 seats are gone 🤯 We need larger venues 😅

13 June

good bye claude #fable - what a shitshow

jot.skorfmann.comWM26 · Spielplan & TV-GuideWer spielt heute, wo läuft's im TV (ARD, ZDF, MagentaTV) und wo ist Public Viewing? Alle 104 Spiele in deutscher Zeit.

12 June

Die WM läuft – aber wo? ⚽📺 Kleine Web-App für deutsche Fans: alle 104 Spiele in deutscher Zeit, TV-Sender pro Spiel (ARD/ZDF/MagentaTV) inkl. Mediathek-Deep-Links – plus Public-Viewing-Spots in 7 Städten. 👉 jot.skorfmann.com/wm2026/

jot.skorfmann.comRMS Titanic — The Sinking in 3D, April 14–15, 1912

10 June

A titanic simulation 🚢 #fable5 jot.skorfmann.com/titanic/

anthropic.comClaude FableNext generation of intelligence for the hardest knowledge work and coding problems.

9 June

> Meet Fable 5, our newest model for complex, long-running work. Try anytime with /model. > Included in your plan limits until Jun 22, then switch to usage credits to continue. www.anthropic.com/claude/fable 👀

5 June

Using "dynamic workflows" in claude a bit too intense I guess > API Error: Server is temporarily limiting requests (not your usage limit) · Rate limited

jot.skorfmann.comPrism — a browser engine inside WebAssemblyAn experimental, for-fun prototype: a from-scratch HTML/CSS/JS rendering engine in Rust + WASM (partial coverage, not yet open source), explained interactively — with live demos of the real renderer.

Built a tiny browser engine for fun 🦀 → 🕸️ It parses, styles, lays out (taffy), scripts (QuickJS) and paints (tiny-skia) HTML/CSS/JS entirely inside WebAssembly. The browser never sees the markup - only pixels come back out. jot.skorfmann.com/prism-render...

5 June

just added a more interactive demo #flappybird

A fun experiment I'm pursuing with Codex, building a simple browser rendering engine within a browser via Rust / WASM - Latest and most sophisticated take so far: play a video file with sound and do all the work in wasm. Codex runs for more than 16 hours already, and it's getting there

The compiled wasm for the browser is about 2.5 mb and runs and renders arbitrary JS, CSS (subset) and HTML

helmut.rocksHelmut & die Tausend Euro — Making-ofVon einer Tagesschau-Meldung zum KI-Deutschrap-Musikvideo mit Helmut, dem Yeti-MC. End-to-end aus Claude Code — inkl. Live-DJ-Mixer.

and of course, the video itself was also created via ai helmut.rocks/making-of.html

3 June

Dynamic Workflows in Claude Code to non coding problems are superb for fanning out 100s of subagents in minutes.

30 May

running codex in multiple subsequent "/goal" loops for the last 24 hours - so far no limit in sight

26 May

half a day of in depth code analysis from various angles of a handful of repositories via Claude Code using an API key is worth a Claude Max subscription 💸

In other news: wir sind jetzt dauercamper an der Lübecker Bucht 😅🏝️

21 May

Shipped a full music video end-to-end with AI: song from Suno, scenes from Seedance, lip-sync via another model, orchestrated from Claude Code. Wild what a bit of AI plumbing gets you these days. Heres the teaser

youtube.comTausend Euro – HELMUT der YetiYouTube video by Helmut

21 May

Full youtube www.youtube.com/watch?v=cy2S...

helmut.rocksHelmut & die Tausend Euro — Making-ofVon einer Tagesschau-Meldung zum KI-Deutschrap-Musikvideo mit Helmut, dem Yeti-MC. End-to-end aus Claude Code — inkl. Live-DJ-Mixer.

21 May

And the making of helmut.rocks/making-of.html

youtube.comGoogle I/O '26 KeynoteYouTube video by Google

19 May

Google's Antigravity in search kind of blows my mind #googleio www.youtube.com/live/wYSncx9...

speisekartenweb.deSushi Yama -Japanisches Restaurant GörlitzJetzt Speisekarte im Sushi Yama -Japanisches Restaurant und viele weitere aktuelle Informationen für dieses Restaurant in Görlitz einsehen.

19 May

but like almost all the other announcments "avaialble later this year"

Leipziger Allerlei

Possibly the worst restaurant website I’ve seen so far - with forced ads in order to see the menu or go to the checkout 😳 speisekartenweb.de/restaurants/...

11 May

Going to the menu I land on 😆

11 May

And this place has a rating of 4.8 on Google Map, the restaurant - not the pet food store 😅

6 May

have been using codex quite a bit for coding recently and its quite good - still pretty shit in terms of ui design taste though