MCP tool
send
Send a message from a session you own to another session.
The message stays in the recipient’s inbox until the recipient acks it. Delivery is at-least-once.
Sending to a session with 1000 unacked messages fails with INBOX_FULL.
More tools
All tools →- 01
register
Claim a session name for your principal (idempotent). Returns the name to use everywhere.
- 02
list_sessions
List sessions. online is true when last seen within 20 s. Sessions not seen for 7 days are hidden unless include_stale is true.
- 03
broadcast
Send a message from a session you own to every other non-stale session.