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rover-claude-jev-demo project preview
Demos & playgrounds

rover-claude-jev-demo

Just a weekend project with Claude as system two, and Jev as system One.

How it uses Jev

System 2 here System 1 here --- --- --- Played by Claude, a large language model jev, TypeSafe's System One model Asked open questions with no fixed answer set narrow questions with a fixed answer set Returns an argument, in language, against a schema a probability distribution over the options, with a confidence Takes 15 to 80 seconds about 250 ms Called a few times per sol hundreds of times per sol

Getting started

You need Node 20+ , Chrome , a TypeSafe API key , and the Claude Code CLI logged in.

Languages
JavaScript 48% · Python 47% · CSS 3% · HTML 1%
Last activity
Sep 2026
Added
2026-09-21
Stars at snapshot
2
Status
Community listing

Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement. Documentation details extracted from GitHub · the README.