Release2026-10-03
DeepSeek AI released DeepSeek Harness, an open-source agent harness. It uses a plugin-based architecture. The harness is powered by Cordis. It is currently in developer preview. Compatibility-breaking changes are expected. Users can run it via npm or from source. The Web UI is served at localhost port 3080 by default. Feedback and bug reports can be submitted via GitHub Discussions. Plugin repositories can use the dsh-plugin topic for discoverability. A Discord community is available for support.
What it unlocks
Building and running AI agents as plugins in a unified harness.
- 102.6k GitHub stars
- 9.7k forks
- 12,293 commits
What you need to act on it
- Node.js installed
- developer preview status
Sources