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.
Open github.com ↗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 →