<?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://newsletter.agentbuild.ai/p/how-to-build-an-ai-agent-registry-408</loc><news:news><news:publication><news:name>agentbuild.ai</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-06-10T14:12:53+00:00</news:publication_date><news:title>How to Build an AI Agent Registry — Part 2: Risk Class and Autonomy Level</news:title></news:news></url></urlset>