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S1E8: Show And Tell: Efrit: When Steve Gives Claude Full Access To 50 Years of Emacs Capabilities

Vibe Coding With Steve and Gene1 HN recommender · recommended in 1 month, 2025-2026
YouTube
2K views · 1 year ago · demo · dated

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.

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

LLMs & generative AITesting, debugging & developer toolsTech pioneers & interviews#efrit#emacs#claude#steveyegge#agenticcoding

3 comments from Hacker News

@onetom2026 · in “Eschewing Zshell for Emacs Shell (2014)”

i also thought i can't get used to it, but i can! otherwise, as others have mentioned it, remap the keys! also, you can talk to some LLM about it, if you feel it would be tedious to come up with better bindings. feed in the key bindings from `C-h m` of eshell, enumerate which bindings you want to carry over from traditional shells and instruct it to recommend you binding swapping pairs. i was able to get great results on such niche operations already from anthropic's opus 4.5 models but even grok or deepseek was pretty helpful already last summer. steve yegge's efrit takes this to a whole new level, by letting the LLM interrogate your running Emacs process live for documentation or function source code: link he demoed it here: ▶ this video

CitesView on HN
@dannyobrien2025 · in “Unix philosophy and filesystem access makes Claude Code amazing”

Another everything-is-new-again: link is Steve Yegge's drive-emacs-with-LLMs (I saw this mentioned via a video link elsewhere: ▶ this video )

CitesView on HN
@refset2025 · in “Designing agentic loops”

For anyone else curious about what a practical loop implementation might look like, Steve Yegge YOLO-bootstrapped his 'Efrit' project using a few lines of Elisp: link And for more context on Efrit this is a fun watch: "When Steve Gives Claude Full Access To 50 Years of Emacs Capabilities" ▶ this video

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