Message Channel Tracker
Extension Actions
CRX ID
cphkfobmlnldljobdlndabnnjpjobano
Description from extension meta
Track and pretty-print window, MessageChannel, BroadcastChannel, and Worker messages without breaking behavior.
Image from store
Description from store
Observe browser message flows without breaking them. MCT neatly groups and colors logs in DevTools for:
- window.postMessage and window "message" events
- MessageChannel creation and MessagePort postMessage/incoming messages
- BroadcastChannel postMessage/incoming messages
- Worker/SharedWorker postMessage/incoming messages
- ServiceWorker postMessage/incoming messages