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Agent infrastructure

DeepSeek is no longer selling only a model: it is coming for the shell around Claude Code

Last updated 2026-08-20Editorial synthesis: signals connected before judgementNot a wire dump; facts, judgement, and unknowns are separated
Diagram of DeepSeek Harness assembling plugins, tools, memory, and an agent loop into a complete agent shell
Editorial diagram: the model is the engine; the harness connects tools, memory, plugins, and the execution loop into a working vehicle.
Bottom line

DeepSeek Harness is an open-source agent harness from DeepSeek AI with roughly 167k GitHub stars; it remains a developer preview, but shifts competition from what a model can think to whether an agent can finish work.

DeepSeek Harness is an open-source agent harness from DeepSeek AI with roughly 167k GitHub stars; it remains a developer preview, but shifts competition from what a model can think to whether an agent can finish work.

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