co-mono/packages/proxy

@mariozechner/pi-proxy

CORS and authentication proxy for pi-ai. Enables browser clients to access OAuth-protected endpoints.

Usage

CORS Proxy

Zero-config CORS proxy for development:

# Run directly with tsx
npx tsx packages/proxy/src/cors-proxy.ts 3001

# Or use npm script
npm run dev -w @mariozechner/pi-proxy

# Or install globally and use CLI
npm install -g @mariozechner/pi-proxy
pi-proxy 3001

The proxy will forward requests to any URL:

// Instead of:
fetch('https://api.anthropic.com/v1/messages', { ... })

// Use:
fetch('http://localhost:3001?url=https://api.anthropic.com/v1/messages', { ... })

OAuth Integration

For Anthropic OAuth tokens, configure your client to use the proxy:

import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: 'oauth_token_here',
  baseURL: 'http://localhost:3001?url=https://api.anthropic.com'
});

Future Proxy Types

• BunnyCDN Edge Function: Deploy as edge function
• Managed Proxy: Self-hosted with provider key management and credential auth
• Cloudflare Worker: Deploy as CF worker

Architecture

The proxy:

1. Accepts requests with ?url=<target> query parameter
2. Forwards all headers (except host, origin)
3. Forwards request body for non-GET/HEAD requests
4. Returns response with CORS headers enabled
5. Strips CORS headers from upstream response

Development

npm install
npm run build
npm run check