Harness Inspector is a read‑only local workbench that unifies requirements, Agent sessions, file activity, and Git commits into a single interface, enabling developers to trace the full delivery chain from intent through process to output and assess which agent actions merit skill extraction.
The article explains Andrej Karpathy’s single‑question framework for deciding which code to write yourself versus delegating to AI, and details rvaniaaa’s eight‑step system that automatically scouts GitHub, extracts reusable workflows, scores them, and publishes them as standardized AI skills.
BrowserBC records a human’s complete web task, rewrites the noisy trace into a natural‑language skill card, and lets a smaller model repeatedly execute the same class of tasks, achieving large success‑rate gains on WebArena‑Hard and ClawBench benchmarks.
The article introduces the open‑source "book-to-skill" tool that compiles PDFs or EPUBs into Claude Code skills, explains its on‑demand loading architecture, compares it with raw PDF retrieval and RAG, and provides detailed implementation steps, performance numbers, and practical usage guidelines.
