Directory / Tooling and open replicas
jev-mcp: an MCP server for Jev
VerifiedNot yet tested by usJev
The claim
Lets Claude Code, Claude Desktop, and Codex call Jev and branch on the probabilities.
Our read
Labeled a proof of concept by its author. Fine for experiments.
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
typesafe-ai/skills: official agent skill
Tool by TypeSafe AI, added 17 Sep 2026
VerifiedNot yet tested by us
An MIT-licensed skill that teaches Claude Code, Codex, and other agents to call Jev.
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