Usage statistics for DeepSeek Harness: aggregated token and cost metering per session, per day, per week, per month and over custom date ranges, with per-model breakdown, peak-hour pricing, durable daily history, a Settings usage panel and the /usage comm

DeepSeek Harness Desktop App: a local AI desktop workspace for DSH Sessions, projects, files, web research, plugins, and Office artifacts.

Trace Compare & Live Maze for DeepSeek Harness: visualize agent exploration (main path, detours, backtracks) from session logs or live sessions

The best DeepSeek Harness plugin for context insight and management, with context dashboard / browser and context command, for context statistics, composition, breakdown, evolution details, understanding how the context is made of, and how it evolves. 一站式 DeepSeek Harness 上下文可视化插件，Context 面板及浏览器与 Context 命令，透视上下文组成、演进、压缩、剪枝等事件与动作。

DSH plugin: connect to MCP servers, discover tools, and register them for direct model invocation with retry logic and statistics

A universal, atomic library of mathematics and tools for agents to compose them.