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DeepSeek AI Releases DeepSeek Harness in Developer Preview: An MIT-Licensed Agent ...
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Fusion42 · 17 August 2026 · Fusion42 review
DeepSeek AI released DeepSeek Harness v0.1, an MIT-licensed developer preview that offers a fully modular agent harness framework where all components function as plugins, enabling flexible assembly and extension of AI agent runtimes.
This Wire brief sits within Fusion42's coverage of AI Agents, and 5 sources have reported it between 13 Aug 2026 and 17 Aug 2026.
◆ ◆ The Wire takeaway
You can now build custom AI agents by swapping any part of the runtime without changing source code. This opens new paths for AI-native startups and developer teams to rapidly prototype and control agent deployments.
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5 sources · first reported 13 Aug 2026 · latest 17 Aug 2026
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