DeepSeekLaunchDevelopersAugust 13, 2026

DeepSeek open sources Harness agent runtime

DeepSeek released DeepSeek Harness v0.1 as a developer preview, open-sourcing the codebase under an MIT license. The Node.js-based agent harness, powered by the Cordis meta-framework, uses a plugin-based architecture where everything is a plugin.

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