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[ARTICLE · art-96387] src=technode.com ↗ pub= topic=ai-agents verified=true sentiment=· neutral

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.

read1 min views1 publishedAug 14, 2026
Against Claude Cowork, DeepSeek opens its open-source Harness to developers
Image: Technode (auto-discovered)

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, in Chinese]

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