JEV is INSANE. We gave it 700 high-intent leads and personalised outreach messages. In 40 seconds, it predicted how each message would perform, assigned a confidence score and detected lead-message mismatches. All for just $0.09. JEV can also score leads, analyse buying Show more
Jev in the Agent Runtime
An engineering note that places Jev as a typed micro-decision layer inside an agent harness rather than a planner, with preconditions for confidence gates and fan-out and a runtime split into five parts.
- Category
- Practices & Patterns
- Published by
- Community
- Author
- Bloss0m
- Added
- 2026-09-20
Tagscommunityagentsroutingevaluationarchitecture
Highlights
- Splits the runtime into planner, decision layer, tool broker, executor, and review.
- Warns that confidence is not permission and that type safety is not semantic safety.
- Proposes logging the state snapshot, question version, confidence, and policy version together.
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From the community
Posts from builders shipping with Jev right now.
700 leads scored for $0.09
Beating Gemini Flash Lite on an eval
Ran @typesafeai's Jev against an existing classifier eval that previously used Gemini 2.5 Flash Lite. It won both on quality (saturated the eval) and speed (6x)
