AI Gateway

A TypeScript AI proxy supporting CLI and Library modes, built with Vercel AI SDK. Designed to be compatible with pi-mono authentication storage.

Installation

npm install -g ai-gateway

Usage

CLI

Start the server:

ai-gateway serve --port 8080

The server provides OpenAI-compatible endpoints:

• POST /v1/chat/completions
• GET /v1/models

Library

import { AiGateway } from 'ai-gateway';

const gateway = new AiGateway();
// Use gateway.fetch with your Hono/Node server

Configuration

Credentials are looked up in:

1. ~/.config/ai-gateway/auth.json
2. ~/.config/pi/auth.json

Format:

{
  "openai": {
    "apiKey": "sk-..."
  },
  "anthropic": {
    "apiKey": "sk-ant-..."
  }
}