Open Source Project of the Day (#83): Darwin Skill - A Karpathy-Inspired 'Ratchet' System for Infinite AI Skill Evolution

Darwin Skill is an open source system for iteratively improving AI agent skill files in SKILL.md using training-style updates.

It scores changes with a nine-dimensional rubric, runs automated test prompts, and keeps or reverts edits to avoid regressions.

The workflow pauses for human approval at key steps, combining automation with human-in-the-loop review.

Version 2.0 is framed as inspired by Andrej Karpathy’s autoresearch ideas and recent Microsoft Research work.

The project aims to reduce prompt drift and manual maintenance by making skill optimization measurable and reversible.