About Agent Mailbox
Agent Mailbox is an MCP server published by polaris-smart in the Agents category: disposable, token-scoped email mailboxes for automated testing and AI agents.
The repository has 3 stars and 0 forks, with the last commit yesterday. Recent commit activity is the strongest signal that reported issues will get attention.
Install
git clone https://github.com/polaris-smart/agent-mailboxThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (12)
mailbox_broadcast(subject, body)to every registered agent
Parameters not published.
mailbox_check(agent_id?, mark?)fetch pending (→ `acked`)
Parameters not published.
mailbox_done(msg_id)mark handled
Parameters not published.
mailbox_list(agent_id?, status?)list messages, optional status filter
Parameters not published.
mailbox_register(agent_id, owner?, description?)claim a mailbox; idempotent
Parameters not published.
mailbox_reply(msg_id, body)routes back to the original sender
Parameters not published.
mailbox_send(to, subject, body, priority?)`to` = one id, a list, or `"all"`
Parameters not published.
mailbox_wait(agent_id?, timeout_seconds?)long-poll for new mail
Parameters not published.
mailbox_whoami()directory of agents + mail root
Parameters not published.
task_create(title, assignee, due?)create a task card (starts `todo`); assignee auto-messaged
Parameters not published.
task_list(assignee?, status?)list task cards, optional filters
Parameters not published.
task_move(task_id, status, assignee?, note?, force?)move along `todo→doing→review→done` (skips need `force`); moving a card auto-messages its owner
Parameters not published.
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