Real-Time Sync

Implement real-time communication for live updates, collaboration, and presence awareness across applications.

When to Use

Use this skill when building:

• LLM streaming interfaces - Stream tokens progressively (ai-chat integration)
• Live dashboards - Push metrics and updates to clients
• Collaborative editing - Multi-user document/spreadsheet editing with CRDTs
• Chat applications - Real-time messaging with presence
• Multiplayer features - Cursor tracking, live updates, presence awareness
• Offline-first apps - Mobile/PWA with sync-on-reconnect

Protocol Selection Framework

Choose the transport protocol based on communication pattern: