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Nov 1, 2026 · Artificial Intelligence

Harness Is the Product: 12 Design Principles for Production-Grade AI Agents

The article argues that the Harness — the agent runtime framework — is the true product for production AI agents, detailing 12 architectural principles covering task-oriented tool discovery, layered memory, credential isolation, approval workflows, code execution sandboxes, multi-channel adapters, state persistence, and system evaluation.