CalibratedDecisions.

Repo · Routing & model choice

Jev Agent Harness

Beginner-friendly harness guide showing Jev as the fast classifier inside agent loops, with ModelRouter and AutoMode middleware examples.

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From the repository

Jev (TypeSafe AI System One) agent harness guide + video manual — from the LangChain 'Building a Harness with Jev' post. Learn Jev Noul/Choice/Score questions, Model Router, and AutoMode guardrails with LangChain.

The decision Jev makes

Pick an agent, a model, a skill from a catalog, or a function and its arguments.

Where it fits

Deciding which agent, model, skill or function should handle a request. Jev is a natural router: the options are fixed and the confidence tells you when to fall back. All 348 routing & model choice projects →

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