MailgentMCPTools Reference
mail.reply
Reply to an existing email in a thread
Scope: mail:send
Reply to a specific message. Automatically threads the response.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
messageId | string | Yes | Message to reply to |
text | string | Yes | Reply text |
html | string | No | Reply HTML |
Example
Agent reads email from customer asking about pricing.
→ mail.reply({
messageId: "<abc123@gmail.com>",
text: "Our enterprise plan starts at $99/mo..."
})Returns
Message object with same threadId as original, subject: "Re: ...", labels: ["sent"].
REST Equivalent
POST /v0/messages/{messageId}/reply