Architect

Sep 11, 2026 · Artificial Intelligence

DeepSeek Harness Runtime Architecture: Separating Capabilities from Facts via Cordis, Agent Loop & Session

This article analyzes DeepSeek Harness v0.1.2-alpha.2's runtime architecture, explaining how it separates current capabilities (Cordis) from committed facts (Session) with the Agent Loop mediating between them, detailing plugin assembly, turn/step lifecycle, tool execution pipeline, session event logs, and dynamic capability replacement.