http://akjamie.github.io/tags/agent-runtime/ Recent content in Agent-Runtime on Jamie's Blog Hugo en-us Sun, 16 Aug 2026 00:00:00 +0000 http://akjamie.github.io/post/2026-08-16-deepseek-harness-architecture-analysis/ Sun, 16 Aug 2026 00:00:00 +0000 http://akjamie.github.io/post/2026-08-16-deepseek-harness-architecture-analysis/ <h1 id="deepseek-harness-interesting-architecture-but-is-it-the-right-choice-for-building-agents">DeepSeek Harness: Interesting Architecture, but Is It the Right Choice for Building Agents?</h1> <blockquote> <p>A staff-engineering perspective on DeepSeek Harness — what the plugin architecture actually buys you, where it adds integration cost, and which teams it is genuinely built for.</p> </blockquote> <hr> <blockquote> <p>[!NOTE]</p> <h3 id="executive-tldr">Executive TL;DR</h3> <p>DeepSeek Harness (open-sourced August 13, 2026, MIT) is a modular agent runtime built on the Cordis plugin framework. Its formula: <strong>Agent = Model + Harness</strong>, where every major capability — model, tools, session, sandbox, even the agent loop itself — is a replaceable plugin.</p>