What probably matters to youSection of the release
What
The agent listing now opens with the name other sessions use to address this session, with different wording when a subagent is asking, and adds a teammates section built from the team roster file.
Details
Where a subagent in this session shares a teammate's name, the listing says either that the teammate is not messageable by name or to message it by the exact name as printed.
Cloud, local and Remote Control listings each get their own note when only part of the listing could be fetched.
When cross-session messaging is off, the listing says so outright: Cross-session messaging is switched off in this session right now.
Evidence
Cross-session messaging is switched off in this session right now
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed sinceAnthropic's documentation has since written up /list-agents, on Tools reference.| `ListAgents` | Lists the agents Claude can message with `SendMessage`: subagents in the session, [agent team](/docs/en/agent-teams) teammates, your other local Claude Code sessions, and, while this session is connected to [Remote Control…tools-referencesee the edit
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up /list-agents, on Tools reference.
Anthropic's release notes agreeListAgents and /list-agents now list your live teammates (previously only subagents and other sessions appeared, so a reachable teammate…
