Google Workspace MCP Server

Sends an email using the user's Gmail account. Supports both new emails and replies.

Args: to (str): Recipient email address. subject (str): Email subject. body (str): Email body (plain text). cc (Optional[str]): Optional CC email address. bcc (Optional[str]): Optional BCC email address. user_google_email (str): The user's Google email address. Required. thread_id (Optional[str]): Optional Gmail thread ID to reply within. When provided, sends a reply. in_reply_to (Optional[str]): Optional Message-ID of the message being replied to. Used for proper threading. references (Optional[str]): Optional chain of Message-IDs for proper threading. Should include all previous Message-IDs.

Returns: str: Confirmation message with the sent email's message ID.

Examples: # Send a new email send_gmail_message(to="user@example.com", subject="Hello", body="Hi there!")

# Send an email with CC and BCC
send_gmail_message(
    to="user@example.com",
    cc="manager@example.com",
    bcc="archive@example.com",
    subject="Project Update",
    body="Here's the latest update..."
)

# Send a reply
send_gmail_message(
    to="user@example.com",
    subject="Re: Meeting tomorrow",
    body="Thanks for the update!",
    thread_id="thread_123",
    in_reply_to="<message123@gmail.com>",
    references="<original@gmail.com> <message123@gmail.com>"
)