<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://generativeprogrammer.com/p/skill-authoring-patterns-from-anthropics</loc><news:news><news:publication><news:name>The Generative Programmer</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-19T00:15:01+00:00</news:publication_date><news:title>Skill Authoring Patterns from Anthropic’s Best Practices</news:title></news:news></url></urlset>