Building a Skills Updater Pipeline for AI Platforms

I turned 1,870 JSONL files into six new user-level skills for my AI platform in a single session. Here’s how I built a repeatable pipeline for skills-updater. The Problem I had a one-off question: 'Look through all my Claude Code JSONL files and recommend new skills.' This meant walking through ~904 MB of data across 45 project directories, filtering down to 2,752 real user-typed prompts, and cross-referencing against an existing skill set of 56 (9 user + 47 plugin). The manual deep-dive was exp