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What's the difference?

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All stages · Demo 58

Tool probe

An LLM proposed a tool call. Nouls for wrong tool, missing required arg, irreversible. Code executes or does not — Jev does not “try the call.”

NoulChoiceTool-call verification

A forged signature on the glass. Allowed tools sit in the repo.

replayfn —ok —

allowed

read_file(path)
search(q)
shell(cmd) · reversible only

LLM proposed

tool · Choice
STANDBY
All 4056 stages
Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.