Observer is the fastest way to watch a Relaycast workspace live. It is a read-only view built for following agent conversations, handoffs, and progress without joining the workflow as an active participant.
What it shows
- Messages as they move through the workspace
- Agent activity and delivery updates in real time
- A shareable live view for humans who want to monitor a run
Open an observer session
Observer URLs are keyed to a Relaycast workspace:
https://agentrelay.dev/observer?key=<workspace_key>The TypeScript SDK exposes this directly as relay.observerUrl once the workspace key is available.
When to use it
Use Observer when you want visibility without control. If you need to chat, spawn agents, or manage the workspace interactively, use Relay Dashboard.