Ravinder82

Jev Flash Router — AI skill for Claude Code

AI community

open-sourced jev-flash-router: an MCP server for TypeSafe's new Jev model.

How to install Jev Flash Router

This entry records only its repository, not the path inside it, so there is no exact command to give. Open Ravinder82/jev-flash-router and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Jev Flash Router does

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

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README

jev-flash-router

[![npm version](https://img.shields.io/npm/v/jev-flash-router)](https://www.npmjs.com/package/jev-flash-router) [![License: MIT](https://img.shields.io/npm/l/jev-flash-router)](LICENSE) [![Node.js](https://img.shields.io/npm/dependency-version/jev-flash-router/peer/nodejs)](https://nodejs.org) [![MCP](https://img.shields.io/badge/Model%20Context%20Protocol-MCP-blue)](https://modelcontextprotocol.io) [![OpenRouter](https://img.shields.io/badge/OpenRouter-Decisions%20API-red)](https://openrouter.ai)

**Zero-token-output decision router MCP server powered by TypeSafe Jev.**

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-flash-router** evaluates context, code diffs, logs, or planning options and returns calibrated probabilities in ~150ms — with **$0.00 output token cost**.

✨ Features

⚡ ~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 & Claude Code
📦 Zero-config — Install via npx and go
🎯 Three decision formats: noul (binary), choice (categorical), score (rubric)

🚀 Quick Start

1. Install as an MCP server

No local clone needed — anyone can run it instantly:

npx -y jev-flash-router

Or install globally via npm:

npm install -g jev-flash-router

2. Set your OpenRouter API key

Set the `OPENROUTER_API_KEY` environment variable with your [OpenRouter](https://openrouter.ai) API key (required).

3. Use the tool

In your IDE's agent chat, call:

**evaluate_decision**

state: The context, code diff, error log, or task description
question: The targeted question to evaluate
type: "noul", "choice", or `"score"