building in public

10 things I learned from CarouselBot’s beta testers

And what this means for the Roadmap

5 hrs ago • Karen Spinner

I overhauled my website with a team of Claude Code subagents

My website needed a major upgrade, so I unleashed Claude Code and a team of subagents. Did it actually work?

Jan 3 • Karen Spinner

I built a Chrome extension to manage hundreds of scattered AI prompts

Keep your prompts organized with the Prompt Collector Chrome extension. Tag them, group them into collections, and add variables so you can create…

Dec 27, 2025 • Karen Spinner

I built a Chrome extension to manage my 1,200+ Substack subscriptions

Get it free or build your own

Dec 13, 2025 • Karen Spinner

10 super helpful things I learned from beta testers this week

How user feedback is helping me shape the future of Future Scan

Nov 22, 2025 • Karen Spinner

I collected abstracts from 11,303 recent research papers on AI/ML

Then I used them to build a trend-spotting prototype

Nov 14, 2025 • Karen Spinner

I shut down my AI-powered startup. What went wrong?

Hint: It wasn't the AI.

Nov 7, 2025 • Karen Spinner

I used machine learning to make sense of 39,000 Substack articles

Using semantic search and clustering algorithms to understand what's trending on Substack right now

Oct 4, 2025 • Karen Spinner

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