DeepSeek Harness Handbook 2026: The Source-Backed Guide to Agents, Plugins, and Runbooks
DeepSeek Harness (dsh) is an open-source agent harness by DeepSeek AI, built on an everything-is-a-plugin architecture powered by Cordis, where the model adapter, tool registry, session log, and even the agent loop itself are replaceable plugins. You can launch it in seconds with npx @deepseek-ai/dsh web, connect a DeepSeek API key in Settings, and start delegating file edits, command runs, and multi-agent workflows. This 2026 handbook is a source-backed guide to its agents, plugins, and runbooks. ...