Directory / Tooling and open replicas
typesafe-ai/skills: official agent skill
VerifiedNot yet tested by usJev
The claim
An MIT-licensed skill that teaches Claude Code, Codex, and other agents to call Jev.
Our read
Official and installable. The fastest way to let a coding agent use typed decisions.
Verified: The thing exists and the core claim checks out against a source you can open.
Test status
We haven't reproduced this yet. When we do, measured accuracy, latency, and cost will appear here next to the claimed figures.
Related entries
jev-mcp: an MCP server for Jev
Tool by jkudish, added 17 Sep 2026
VerifiedNot yet tested by us
Lets Claude Code, Claude Desktop, and Codex call Jev and branch on the probabilities.
JevTooling and open replicas
llm-typesafe plugin for the LLM CLI
Tool by Simon Willison, added 22 Sep 2026
VerifiedNot yet tested by us
Adds Jev to the llm command-line tool and Python library.
JevTooling and open replicas
openjev (now SemIf): a Jev-style model on one RTX 3090
Open replica by TheoLeeCJ, added 16 Sep 2026
VerifiedNot yet tested by us
Runs a Jev-style decision model locally on a single consumer GPU.
Other modelTooling and open replicas