MCPTools Reference
mail.send
Send an email from your agent's inbox
Scope: mail:send
Send an email. Creates a new thread automatically.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
to | string[] | Yes | Recipient addresses |
subject | string | Yes | Subject line |
text | string | Yes | Plain text body |
html | string | No | HTML body |
cc | string[] | No | CC recipients |
bcc | string[] | No | BCC 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