Jev as a harness primitive: evals, verifiers, self-improvement

Notes from integrating Jev into a custom agent harness: beyond cheap classification, the interesting uses are continuous evals and monitoring, custom verifiers for long-horizon agents, and recursive self-improving harness loops; a guide is in progress.

Notes

Commentary; no figures yet.

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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

• #harness
• #evals
• #verification
• #agents

In collections

• Agent harnesses →