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A modern desktop experience for the DeepSeek Harness ecosystem (Plugin)

Download Desktop

DSH Desktop brings DeepSeek Harness to native macOS and Windows applications. Official Harness runs unchanged at a pinned version; the desktop shell itself — the window, tray, terminal, updates, and work profiles — is a legitimate DSH plugin on the same composition path as official and third-party plugins. Models, tools, interfaces, and workflows can all be extended through plugins; together with every plugin author, we want to build an open, composable, and sustainable DSH plugin ecosystem where plugins grow alongside each other. Read the DSH plugin ecosystem manifesto.

Documentation

Ordinary users can start with the user guide; the developer documentation is only needed when extending or maintaining the application.

User documentation

Goal	Entry point
Install and use the application	User guide
Understand why the project exists	Why DSH Desktop
See the full documentation and README map	Documentation index

Developer and maintainer documentation

Goal	Entry point
Read the plugin ecosystem manifesto	Plugin ecosystem manifesto
Build ordinary or Desktop plugins	Plugin development
See what Desktop plugins can use	Desktop plugin API
Understand how the desktop works	Architecture
Read package-level build and release details	dsh-plugin-desktop/README.md

Features

Desktop Bring the official DeepSeek Harness local Web UI to a native desktop application. The app starts and manages the local Harness service, integrates the system tray and desktop window, and requires no Node.js installation or command-line setup.	Mobile Remote Control Connect to Desktop from iOS and Android to start tasks, monitor Agent progress, and send follow-ups from your phone.
Plugin Marketplace Harness follows an “everything is a plugin” architecture. The desktop marketplace will make it easy to discover, install, update, and manage plugins for models, tools, interfaces, and workflows.	Channels Connect WeChat, Feishu, Discord, WhatsApp, and other IM channels to start tasks, receive progress updates, and continue conversations from the apps you already use.

Plugin Ecosystem

Plugins are extensions that add capabilities to DSH — models, tools, interfaces, and workflows can all be plugins, combined like building blocks.

DSH Desktop does not fork or modify upstream source, and it is not a fixed, hardcoded shell. Official DeepSeek Harness runs unchanged at a pinned version; the desktop shell itself — the window, tray, terminal, updates, and work profiles — is a legitimate DSH plugin, composed into the same runtime through the official plugin mechanism. From the core agent to the desktop shell, the whole product follows the same "everything is a plugin" rule: plugins from the official ecosystem work directly, and desktop capabilities are combined, replaced, and evolve the same way.

We want the plugin ecosystem to work like a phone app store: every plugin is built against the same set of rules, so plugins can be installed together and work together without interfering with each other.

Compatibility mode stays close to the official default experience; advanced mode adds a fuller desktop layout and system effects. The plugin marketplace, mobile remote control, and Channels remain future plans and are not part of the current installer.

For developers

Desktop plugin capabilities are now available. Developers can extend the app through two public interfaces: desktopProfiles to view and switch work profiles, and desktopPnpm to install, update, and remove plugins in the active profile. See the Desktop plugin API for complete usage details. See Why DSH Desktop and Plugin development for the reasoning and the third-party boundary.

Relationship to the Official Project

This project is built on deepseek-ai/deepseek-harness.

This project is an implementation built on DeepSeek Harness and the Cordis plugin model, intended to provide the foundation for the DSH desktop experience.

The official project provides the core agent capabilities, plugin system, and Web UI. This project primarily provides:

• Desktop application packaging
• Starting, stopping, and recovering the local service
• Desktop window and system tray integration
• macOS and Windows installer builds and releases
• An interface designed for desktop use

If you prefer to run Harness from the command line or contribute to its core functionality, refer to the official repository first.

Special Thanks

Special thanks to the original DeepSeek Harness repository and the DeepSeek AI team. DSH Desktop is built from a pinned upstream checkout, and its core agents, models, tools, sessions, Web UI, and plugin ecosystem come from that project.

We also thank Cordis for the plugin foundation that makes this composition possible. DSH Desktop would not exist without these open-source projects.

We are also grateful to the Koishi.js project and community for their long-standing work on plugin practices, tooling, and shared knowledge, and to everyone who contributes discussions, testing, feedback, and plugins.

Also, and you.

Development

Desktop source lives in dsh-plugin-desktop/. The outer repository uses Yarn, while the pinned deepseek-harness/ submodule keeps its own pnpm workspace. From the repository root:

git submodule update --init --recursive
corepack yarn install --immutable
corepack yarn dev

Use corepack yarn check for the headless gate. The architecture and package README describe the full build, test, and release boundaries.

Community

Choose whichever platform you prefer to discuss usage, plugin development, and project updates.

WeChat Group	QQ Group

Discord: Join the DeepSeek Harness Desktop community

If you would like to join our technical team, contact us at [email protected].

License

This project is licensed under the MIT License.

This is a community desktop edition built on DeepSeek Harness. It is not an official DeepSeek product.