Install

Core package

npm install @fevex/core

FEVEX targets Node.js 20+ and ships as ESM only.

Model adapters

Provider integrations are separate packages, so your app installs only what it uses:

npm install @fevex/core @fevex/openai
npm install @fevex/core @fevex/deepseek
npm install @fevex/core @fevex/mcp

See Adapters for the full list.

Schemas

Schemas are optional. The examples use Zod 4, but any Standard Schema-compatible validator works:

npm install zod