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DeepSeek releases open-source agent harness for developers

TechNode company DeepSeek has released a developer preview of DeepSeek Harness, an open-source agent harness. The tool is positioned as a competitor to Anthropic's Claude Cowork.

14 August 2026
DeepSeek releases open-source agent harness for developers

DeepSeek has made available a developer preview of DeepSeek Harness, an open-source agent harness. The project aims to provide developers with a tool to run AI agents, competing with solutions like Anthropic's Claude Cowork.

The harness, also known as dsh, features a web interface for running AI agents. It employs a plugin-based architecture, allowing for extensibility and the addition of new capabilities.

Powered by DeepSeek's Cordis architecture, the tool can be launched using the command npx @deepseek-ai/dsh web. DeepSeek has noted that the preview version is subject to rapid changes and may include breaking compatibility updates.

The DeepSeek Harness repository is released under the MIT license, permitting broad use and modification by the development community.

Original source: technode.com