DeepSeek Debuts DeepSeek Harness Under MIT License

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- DeepSeek released DeepSeek Harness in developer preview under an MIT license, introducing a new framework aimed at developers building AI agents.
- The platform is built around a design philosophy DeepSeek describes as "everything is a plugin," where every component can be swapped out as a plugin, as the company expands beyond the model layer into agent-development tooling.
Why it matters: An MIT license removes commercial friction for any developer or company wanting to build on or modify DeepSeek Harness, while the plugin-everywhere architecture lets teams swap individual components without rewriting the stack. That combination lowers the barrier for third-party experimentation with DeepSeek's agent tooling.
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