InfoQ - AI Harness - Articles https://www.infoq.com InfoQ AI Harness Articles feed Article: The Agent Harness: What it is and Two Ways to Build One https://www.infoq.com/articles/agent-harness-build-one/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=AI+Harness-articles <img src="https://res.infoq.com/articles/agent-harness-build-one/en/smallimage/The-Agent-Harness-What-It-Is-and-Two-Ways-to-Build-One-thumb-1789997776393.jpg"/><p>This article explains the development and operational layers of an agent harness through two implementations of a finance assistant: AWS AgentCore Harness and LangChain with Envoy AI Gateway. It compares how each handles tools, memory, model access, cost control, and observability, and examines the trade-offs in operational ownership, portability, and engineering effort.</p> <i>By Trista Pan</i> AI Harness AI, ML & Data Engineering Development article Fri, 25 Sep 2026 09:00:00 GMT https://www.infoq.com/articles/agent-harness-build-one/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=AI+Harness-articles Trista Pan 2026-09-25T09:00:00Z /articles/agent-harness-build-one/en