search_all_mailboxes
2 different MCP tools share this name. They are not interchangeable — each provider's tool has its own behaviour, parameters, and output. Pick the one whose product matches your need.
Remote (2)
Network-hosted MCP servers — no local install needed.
AgentMail
Run one search across every reachable mailbox (optionally limited to one domain) and get results tagged by mailbox. Same filters as search_messages; at least one filter required. Searches up to 15 mailboxes per call, in address order: when more are reachable the response names the ones it skipped and gives a nextOffset to pass back as offset.
faivelo/mail
Gmail
Run one search across every reachable mailbox (optionally limited to one domain) and get results tagged by mailbox. Same filters as search_messages; at least one filter required. Searches up to 15 mailboxes per call, in address order: when more are reachable the response names the ones it skipped and gives a nextOffset to pass back as offset.
faivelo/mail