{"type": "article", "title": "What a harness is and how to build one with Claude Agent SDK", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/what-a-harness-is-and-how-to-build-one-with-claude-agent-sdk", "original_source": "https://www.lennysnewsletter.com/p/what-a-harness-is-and-how-to-build", "published": "2026-07-08T12:03:35+00:00", "accessed": "2026-07-08", "id": "what-a-harness-is-and-how-to-build-one-with-claude-agent-sdk"}