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System One models in an agent loop: classify first, authorise in code

This story is from 2026-09-26. It is preserved in the archive; the latest stories are on the live feed.

An agent needs a boundary between proposing an action and taking it. I would put that boundary in ordinary application code and use a fast decision model to supply structured evidence for the policy. TypeSafe announced Jev in September 2026 as its first System One model. Its public description is a…

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  1. 2026-09-26 19:28 · DEV Community — AI
    System One models in an agent loop: classify first, authorise in code

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