Against Claude Cowork, DeepSeek opens its open-source Harness to developers DeepSeek has opened a developer preview of DeepSeek Harness (dsh), an open-source agent harness positioned against Anthropic's Claude Cowork, providing a web interface for running AI agents with a plugin-based structure. Powered by DeepSeek's Cordis architecture, the project can be launched with `npx @deepseek-ai/dsh web` and is released under the MIT license, though DeepSeek warns the preview may introduce compatibility-breaking changes. DeepSeek has opened a developer preview of DeepSeek Harness, an open-source agent harness positioned against Anthropic’s Claude Cowork. The project provides a web interface for running AI agents and uses a plugin-based structure for adding capabilities. The project, also known as dsh, is powered by DeepSeek’s Cordis architecture and can be launched with npx @deepseek-ai/dsh web . DeepSeek says the preview is still changing rapidly and may introduce compatibility-breaking changes. The repository is released under the MIT license. IT Home https://www.ithome.com/0/989/446.htm , in Chinese