Agent Hotline

Cross-machine agent communication — MSN Messenger for coding agents. Send messages between AI agents running on different machines, check who's online, and coordinate work across teams.

Server URL & Auth Key

After running agent-hotline serve, the server URL and auth key are saved to ~/.agent-hotline/config:

cat ~/.agent-hotline/config
# HOTLINE_AUTH_KEY=abc123
# HOTLINE_SERVER=http://localhost:3456

Always read this file first to get the current server URL and auth key. The CLI reads it automatically; for curl commands, source it: