deepseek-ai/deepseek-harness
DeepSeek Harness: Everything is a Plugin.
DeepSeek Harness (dsh) is the official open-source agent harness from DeepSeek AI — the platform every plugin on this site extends. Its architecture follows a simple rule: everything is a plugin. The core ships nothing but a plugin loader; models, tools, UIs, memory systems, and routing all arrive as swappable plugins wired together at startup by Cordis, a spatiotemporally composable runtime. This design means any plugin can extend any other, hot-reload while running, and be installed or removed without restarting the core. The result is a harness that ships lean and grows to exactly what each developer needs. Community Discord at discord.gg/Ycq5dCaS4.
Install
npx @deepseek-ai/dsh webInstall Node.js first. The command downloads and starts the DSH Web UI at http://127.0.0.1:3080 and opens it in your default browser. Pass --no-open to run headlessly (SSH or server). To run from source: git clone https://github.com/deepseek-ai/deepseek-harness.git && cd deepseek-harness && pnpm install && pnpm run build && pnpm dsh web
Compatibility
Requires Node.js. Cordis-powered architecture where everything is a plugin. Plugin authors: add the 'dsh-plugin' GitHub topic for discoverability.
Details
- Repo: deepseek-ai/deepseek-harness
- Category: Other
- Stars: 173494
- Version: developer preview — iterating rapidly. Breaking changes expected.
- Last push: 2026-09-17
- First seen: 2026-08-13
Recent updates
Currently in developer preview. The CLI is @deepseek-ai/dsh on npm. Check npm for latest version. License: MIT.
FAQ
- How do I start DeepSeek Harness?
- Install Node.js, then run: npx @deepseek-ai/dsh web — this starts the Web UI at http://127.0.0.1:3080 and opens it in your browser. No global install required.
- Why is DSH built on Cordis?
- Cordis provides spatiotemporal composability — plugins can be composed at runtime (spatially) and across time (hot-loaded, reordered, restarted). This means DSH plugins can depend on each other, be toggled live, and be ordered by rules rather than manual configuration.
- How do I make my repository discoverable as a DSH plugin?
- Add the 'dsh-plugin' topic to your GitHub repository. This makes it appear in plugin searches and registries like dshpacks.com.
Alternatives
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