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GitHub - Ray-Hughes/jevalyn: The decision layer for your Rails app. A Rails-native wrapper around TypeSafe's Jev System One API: typed, cali
listed 47m agoreviewed by JevThe decision layer for your Rails app. A Rails-native wrapper around TypeSafe's Jev System One API: typed, calibrated decisions in your control flow. - Ray-Hughes/jevalyn
- Author
- github.com
- Use case
- SDKs & Integrations
- Added
- 2026-09-25
All figures come from the author. Check the source before you quote them.
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Jev guides for this use case
- Wiring Jev into Claude Code and Codex via MCPPutting a decision model behind a coding agent: what MCP buys you, what to gate, and what we have not verified.
- Jev in the agent loop: routing, guardrails, contextRouting, tool-call guardrails and context compaction — the three places a decision model earns its keep inside an agent.
- Open-source Jev: what is actually open, and what is notThe model is hosted, the tooling is open — the exact split, plus every open-source Jev repo in the directory.
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