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Pair a coding model with small decision checks.
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Hybrid coding harness: System 2 writes, System 1 (Jev) runs reflexes.
harness-engineeringhybrid-machine-learningmachine-learning
How builders describe it
Hybrid coding harness: System 2 writes, System 1 (Jev) runs reflexes.
A hybrid coding harness for Pi where any LLM writes the code while Jev returns typed probabilities that deterministic policy code turns into allow, confirm, block, warn, or steer.
The decision Jev makes
Any Jev question: yes or no, a choice, or a score, from your own stack.
Where it fits
Official and community SDKs, MCP servers and integrations for calling Jev from the languages and tools you already use. All 625 sdks & integrations projects →
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