21CTO

Aug 15, 2026 · Artificial Intelligence

How DeepSeek Harness Turns Every Agent Component into a Plugin

DeepSeek Harness, an open‑source agent framework built on the Cordis meta‑framework, treats models, tools, skills, sessions, sandboxes, loops and UI as interchangeable plugins, enabling dynamic composition, fine‑grained token efficiency and full chain‑of‑thought tracing while avoiding the lock‑in typical of other AI model frameworks.