Recent content on Fabian Kübler
Python on the SNES has been a dream of mine for a long time. My brother and I shared a SNES as kids, and Python was my professional home for a big part of my career. These days I barely touch code anymore, so the dream has somehow lost its relevance. Then Claude Fable 5 came out, and I thought: this would make a great benchmark for the model. Porting MicroPython to the SNES: a 3.58 MHz CPU, 128 KB…
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Code execution is becoming central to agentic AI - Anthropic and Cloudflare are both pushing in this direction. This won’t stop at background tasks, though. Code-driven agentic AI assistants will generate user interfaces, respond to interactions, and orchestrate the whole user experience on the fly. 
 Recently I’ve been exploring this with a prototype : The assistant writes and…
LLMs can write code, but they can’t write no-code. So I gave one 3,000+ TypeScript functions — none of them implemented — and let it build n8n workflows in code instead. 
 
 
 
 
 
 LLM-generated code builds a n8n workflow graph. 
 
 
 The standard approach — sequential tool calling — works. n8n already ships an AI assistant built on it. But each tool call…
“User interfaces are largely going to go away,” Eric Schmidt predicts . Agents will generate whatever UI you need on the fly. I built a prototype to explore the premise. 
 
 
 
 
 
 
 
 That’s an agentic AI assistant generating React UIs from scratch, with data flowing between client, server, and LLM. The prototype rests on three ideas: 
 
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