Anthropic's Prompting 101 — A Practical Guide to Building Production-Quality Claude Prompts

Note: This article is a Japanese summary of a ~25-minute video posted by @jota_snchez on X. This is the English translation. Original video: https://x.com/jota_snchez/status/2049898145346105395 Introduction Hannah Moran and Christian Ryan from Anthropic's Applied AI Team walk through prompt engineering best practices with live console demos. Using a real customer case — having Claude analyze Swedish car accident insurance forms — they show how to evolve a prompt from step one through five versio