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Everything you need to know about harness engineering, in less than 30 minutes.

In this episode, Yuval sits down with Mike Chambers from AWS to unpack harness engineering - the term that's quietly taken over the AI developer conversation. They dig into what a harness actually is (spoiler: it's everything outside the LLM), how it differs from context engineering and scaffolding, and why getting agents into production has been so hard. Along the way: MCP's rocky debut, OpenClaw's calendar-clearing chaos, and why multi-tenanted agent architecture is harder than it sounds - but doesn't have to be.