realtime-sync

Architect sub-50ms distributed synchronization using WebTransport, CRDTs, and pub/sub messaging.

14|5|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/oakoss/agent-skills --skill realtime-sync
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: realtime-sync
Source: https://github.com/oakoss/agent-skills/tree/main/skills/realtime-sync
Command: npx skills add https://github.com/oakoss/agent-skills --skill realtime-sync

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enables the creation of highly concurrent, low-latency synchronized applications, ensuring seamless real-time collaboration and data consistency across distributed clients and servers.

Core Features & Use Cases

  • Low-latency Synchronization: Achieves sub-50ms synchronization using WebTransport and CRDTs.
  • Real-time Collaboration: Ideal for collaborative UIs, multiplayer games, and live data dashboards.
  • Use Case: Build a collaborative document editor where multiple users can type simultaneously, see each other's cursors, and have changes reflected instantly without conflicts, using Yjs for text and WebTransport for communication.

Quick Start

Use the realtime-sync skill to implement a collaborative text editor using Yjs and WebTransport.

Frequently Asked Questions about realtime-sync

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a real-time collaborative editor with sub-50ms latency?

To build a real-time collaborative editor with sub-50ms latency, use WebTransport for bidirectional streaming and CRDTs like Yjs for conflict resolution. This architecture ensures simultaneous typing and instant cursor synchronization without conflicts across distributed clients.

What is the transactional outbox pattern for real-time synchronization?

The transactional outbox pattern for real-time synchronization ensures reliable message delivery by writing messages to a database outbox within the same transaction as state changes. This guarantees sequence tracking and data consistency between distributed servers and clients during pub/sub messaging.

Can I use WebTransport for bidirectional streaming in multiplayer applications?

Yes, you can use WebTransport for bidirectional streaming in multiplayer applications. It enables high-concurrency, low-latency communication between distributed clients and servers, making it ideal for real-time collaboration, live data dashboards, and AI stream orchestration.

How does CRDT conflict resolution work in distributed client-server applications?

CRDT conflict resolution in distributed client-server applications works by allowing concurrent updates without strict coordination. Data structures like Yjs automatically merge changes mathematically, ensuring all clients eventually reach the same consistent state without locking or transactional conflicts.

What's the best way to track sequence and state in real-time pub/sub messaging?

The best way to track sequence and state in real-time pub/sub messaging is implementing sequence tracking alongside the transactional outbox pattern. This approach maintains ordering guarantees and synchronization across distributed clients during high-concurrency operations.

When do I need WebTransport instead of standard WebSockets for real-time sync?

You need WebTransport instead of standard WebSockets for real-time sync when targeting sub-50ms latency and high-concurrency bidirectional streaming. It supports advanced synchronization patterns for collaborative editing, live dashboards, and AI stream orchestration more efficiently than traditional pub/sub messaging.