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MCPTools Reference

mail.send

Send an email from your agent's inbox

Scope: mail:send

Send an email. Creates a new thread automatically.

Parameters

NameTypeRequiredDescription
tostring[]YesRecipient addresses
subjectstringYesSubject line
textstringYesPlain text body
htmlstringNoHTML body
ccstring[]NoCC recipients
bccstring[]NoBCC recipients

Example

Agent: "Email john@acme.com about the proposal"

→ mail.send({
    to: ["john@acme.com"],
    subject: "Proposal for Q4",
    text: "Hi John, attached is our proposal..."
  })

Returns

Message object with messageId, threadId, subject, labels: ["sent"].

REST Equivalent

POST /v0/messages/send

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