Mailbox MCP
Connect the mailbox you already own, on Microsoft 365, Gmail or any IMAP host, and your AI can genuinely use it: read, search, draft, reply in thread, forward with everything the original carried, and file mail away. **It behaves like a mail client, not an API wrapper.** Replies carry In-Reply-To and References, so they nest inside the conversation in the recipient's client. Reading a message does not mark it read. Exactly one copy is filed in Sent. Moves use IMAP MOVE, so read state, flags and
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Mailbox MCP
Source: Smithery
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
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