A constrained primitive for harnesses

Jev is framed as a constrained structured-output primitive inside a larger agent harness.

Notes

Architecture take on where decision models fit in agent stacks.

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Destinations

X post only — no separate service, repository or docs URL.

Try a walkthrough

• Route the next step of an agent →

  Let Jev choose a proposed next step, then apply an explicit allow, review or fallback policy before any tool runs.

Verification levels

Report a problem →

Filed under

• #langchain
• #harness
• #agents

In collections

• Agent harnesses →