http://akjamie.github.io/tags/coding-agent/ Recent content in Coding-Agent 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-a-serious-coding-agent-that-deserves-a-serious-look">DeepSeek Harness: A Serious Coding Agent That Deserves a Serious Look</h1> <blockquote> <p>DeepSeek Harness isn&rsquo;t an agent framework you wire into your platform. It&rsquo;s a fully-featured coding agent — with CLI, web UI, sandbox, replay testing, and a plugin core — that ships ready to use and competes directly with Claude Code and Codex.</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 production-ready coding agent built on a Cordis plugin core. Its formula: <strong>Agent = Model + Harness</strong>, where the model, tools, sandbox, session log, and agent loop are all replaceable plugins — but the <em>product</em> is a coding agent, not a framework for building one.</p>