Skill UI

Specialist workflow for building resilient WebSocket and Socket.IO systems, covering authentication, rooms, Redis pub/sub scaling, sticky sessions, and monitoring for chat and presence applications.

Explains building secure real-time communication with WebSocket servers, Socket.io rooms, SSE, Redis scaling, and resilient clients for multi-server Node.js apps.

A security assessment skill for identifying WebSocket vulnerabilities including Cross-Site WebSocket Hijacking (CSWSH), message tampering, handshake-layer attacks, and socket.io authorization bypasses. Requires explicit written authorization before testing. Includes reconnaissance, endpoint discovery, and exploit verification techniques for authorized security assessments.