sean goedecke

I ship a lot of experiments and side projects, then write up what I learned. Here’s where you can find the code that people star most often plus the associated build logs.

Most-starred GitHub repos

  • socket-io-game Experimenting with building a realtime multiplayer game on socket.io. (490 stars)
  • gh-standup A GitHub CLI extension that generates AI-assisted standup reports. (88 stars)
  • gatsby-blog The source for this blog, including my typography tweaks and content tooling. (23 stars)
  • idea-mill LLM-powered brainstorming app that mashes ideas together. (14 stars)
  • blockchain-js-demo A minimal blockchain client I use when teaching the fundamentals. (12 stars)

Build log posts

GPT-5-Codex is a better AI researcher than me

October 7, 2025

In What’s the strongest AI model you can train on a laptop in five minutes? I tried my hand at answering a silly AI-research question. You can probably guess what it was. I chatted with GPT-5 to help me get started with…

Endless AI-generated Wikipedia

September 25, 2025

I built an infinite, AI-generated wiki. You can try it out at endlesswiki.com! edit: I’m very happy with how this worked. Over 62,000 pages generated, and over 200,000 links. You can look at the constellation map to see…

What I learned building an AI-driven spaced repetition app

September 23, 2025

I spent the last couple of weeks building an AI-driven spaced repetition app. You can try it out here. Spaced repetition Like many software engineering types who were teenagers in the early 2000s, I’ve been interested in…

From hours to seconds: AI tools to detect animal calls

April 25, 2024

If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of advances in machine learning can save you a lot of time. I would like to help. I…

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