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DeepSeek· Released Aug 13

DeepSeek Harness

DeepSeek's MIT-licensed open-source agent harness built on the Cordis meta-framework, where models, tools, skills, sessions and UI are all plugins. Harness Desktop for macOS and Windows followed on 2026-10-02.

QQ bridge that lets DeepSeek Harness agents chat in QQ groupsAug 25

Entries

988hj7tczd-oss

@988hj7tczd-oss · Aug 15

Cross-platform desktop automation with accessibility-tree observation, screenshot vision and 12 guarded tools, using a virtual cursor so it does not hijack your mouse.

Lixxx1

@Lixxx1 · Aug 16

A VS Code extension that embeds the harness in the editor, with a demo GIF. Posted to Show HN by a Sun Yat-Sen University developer for people who prefer working in an IDE.

Likenttt

@Likenttt · Aug 18

A TypeScript plugin and MCP server that logs into Garmin Connect with browser-based MFA so the agent can read runs and training metrics. The builder is a marathon runner who wanted coaching from his own data.

DeepSeek Harness: quick answers

What can you build with DeepSeek Harness?
People have published 187 public builds made with DeepSeek Harness. The most common uses are productivity (44), coding (41), design (27), automation (20) and agents (18).
What are the best DeepSeek Harness GitHub repos?
The most-starred open-source DeepSeek Harness projects in the index are DeepSeek Harness: official open-source agent harness where everything is a plugin, dsh-desktop: Desktop app for the DeepSeek Harness plugin ecosystem where the deskto and dsh-desktop: Packaged desktop edition of DeepSeek Harness from DataElement, giving.
Are there DeepSeek Harness demo videos?
Yes: 1 video show DeepSeek Harness in use, each linked to the original post.
Where do people share DeepSeek Harness projects?
Mostly on GitHub, X and YouTube, from 174 creators between Aug 13 and Oct 4.