Efrit: Claude Controls Emacs in a Live Demo

Vibe Coding With Steve and Gene · Demo · 40 min · 2025 · YouTube title: S1E8: Show And Tell: Efrit: When Steve Gives Claude Full Access To 50 Years of Emacs Capabilities

Why it's here

HN shares it as a fun demo of an LLM driving a live Emacs process and orchestrating its long-standing ecosystem.

What it covers

Steve Yegge shows Efrit, a tool that gives Claude full control of Emacs, on the Vibe Coding with Steve and Gene show. Claude opens info pages, runs shells and even draws a Mandelbrot fractal in a buffer.