jev-flash-router
open-sourced jev-flash-router: an MCP server for TypeSafe's new Jev model. AI coding agents waste hundreds of reasoning tokens just deciding which file to edit, which route to pick, or whether a diff breaks tests. Jev evaluates state and outputs calibrated probabilities. Works with Cursor, Windsurf, & Claude Code
open-sourced jev-flash-router: an MCP server for TypeSafe's new Jev model. AI coding agents waste hundreds of reasoning tokens just deciding which file to edit, which route to pick, or whether a diff breaks tests. Jev evaluates state and outputs calibrated probabilities. Works with Cursor, Windsurf, & Claude Code
How it uses Jev
Zero-token-output decision router MCP server powered by TypeSafe Jev.
Highlights
- 150ms decisions — Lightning-fast evaluation via OpenRouter Decisions API
- Zero output token cost — output tokens: 0 on every call
- TypeSafe Jev — Powered by the cutting-edge typesafe/jev-latest model
- MCP-native — Works seamlessly with Cursor, Windsurf, Claude Desktop, and Claude Code
- Zero-config — Run via npx or build locally from source
- Three decision formats — noul (binary), choice (categorical), score (rubric)
Getting started
1. Get an OpenRouter API Key Obtain an API key from OpenRouter with access to the Jev model.
Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement. Documentation details extracted from GitHub · the README.