Show HN: Prune – a tiny tool to sharpen your thinking

Hi all, I built this as part of my fellowship research — it’s a tiny tool called Prune

The idea is simple: you start with a single sentence (a claim, assumption, or half-formed thought). Prune asks a gentle question, then offers branching rewrites. You prune, merge, or refine, and bit by bit your sentence gets sharper.

It’s closer to a journaling tool than a productivity app — but I’ve found it surprisingly good for surfacing hidden assumptions and clarifying ideas I thought were obvious.

Would love feedback on: - When it feels useful vs. when it falls flat - Features that would make it more than a toy - Whether you’d see yourself using this for work/thinking

Live demo here: https://www.prune.quest