- Implement changes feed client for real-time package discovery
- Implement keyword search with auto-pagination support
- Implement package metadata fetcher with tpmjs field extraction
- Implement download statistics client for quality scoring
- Implement rate limiter with configurable concurrency and delays
- Implement retry logic with exponential backoff for 429 errors
All API responses validated with Zod schemas for type safety.
Rate limiter defaults: max 10 concurrent, 100ms minimum delay.
Handles scoped packages (@scope/name) correctly.
Graceful 404 handling returns null instead of throwing.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
