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Anthropic's Ado Kukic describes the LLM harness as the model's body

1 article1 sourcesince Oct 19Last article 1h ago · Oct 19, 12:34 PM ET

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Anthropic's Ado Kukic, writing on X on October 19, 2026, describes an LLM as the brain and the harness as the body.

He says the harness is made up of the tools, files and loop around the model. He says Anthropic's Agent SDK lets developers define that body for their own use case.

Written by AI from the articles below · updated Oct 19, 12:43 PM ET

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Latest developmentOct 19, 12:34 PM ET

Anthropic's Agent SDK lets developers define the harness around Claude

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Oct 19

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Anthropic's Agent SDK lets developers define the harness around Claude
AIAnthropic's Ado Kukic says the LLM is the brain and the harness, made up of tools, files, and the loop around the model, is the body. He says the Agent SDK lets developers define that body for their own use case.

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