Inside DeepSeek Harness: Cordis, Session Events, Tool Pipelines, and Permission Boundaries

DeepSeek Harness is often described as an open-source coding agent. That description is correct, but incomplete. The more interesting part is its architecture. DeepSeek Harness is a configurable runtime for constructing agents from model adapters, tools, session services, execution backends, permission policies, interfaces, and agent loops.


















