Gmail Send Message

Immutable Catalog Entry

This descriptor comes from the active versioned Portal catalog.

DESTRUCTIVEgoogle.gmail_send_message

• Contract tier: agent_ready
• Risk: destructive
• Catalog version: google-2026.07.12.2
• Descriptor hash: 6bb0c9a6da24bfa2b5d74ab9d255bff599e0b167c4316c3e33cce37e9c10fe31

Use this Gmail irreversible send tool only when the user explicitly approves sending. It sends a message from the authenticated mailbox. It can overwrite, send, move, remove, or permanently delete Google data. Use it only after preview and the manifest-defined confirmation; it requires per-request Google OAuth.

Request Body

{
  "jsonrpc": "2.0",
  "id": "google-gmail-send-message-example",
  "method": "tools/call",
  "params": {
    "name": "google.gmail_send_message",
    "arguments": {
      "to": "to_example",
      "subject": "subject_example",
      "body": "body_example",
      "cc": "cc_example",
      "bcc": "bcc_example",
      "is_html": false,
      "reply_to": "reply_to_example",
      "thread_id": "thread_id_123",
      "from_alias": "from_alias_example"
    }
  }
}

Arguments Schema

{
  "type": "object",
  "title": "gmail_send_messageArguments",
  "required": [
    "to",
    "subject",
    "body"
  ],
  "properties": {
    "cc": {
      "type": "string",
      "title": "Cc",
      "default": "",
      "description": "Optional CC recipients."
    },
    "to": {
      "type": "string",
      "title": "To",
      "description": "Recipient email address list accepted by Gmail."
    },
    "bcc": {
      "type": "string",
      "title": "Bcc",
      "default": "",
      "description": "Optional BCC recipients."
    },
    "body": {
      "type": "string",
      "title": "Body",
      "description": "Email body content."
    },
    "is_html": {
      "type": "boolean",
      "title": "Is Html",
      "default": false,
      "description": "Set true when email body is HTML."
    },
    "subject": {
      "type": "string",
      "title": "Subject",
      "description": "Email subject line."
    },
    "reply_to": {
      "type": "string",
      "title": "Reply To",
      "default": "",
      "description": "Optional Reply-To header."
    },
    "thread_id": {
      "type": "string",
      "title": "Thread Id",
      "default": "",
      "description": "Gmail thread ID."
    },
    "from_alias": {
      "type": "string",
      "title": "From Alias",
      "default": "",
      "description": "Optional configured Gmail send-as alias."
    }
  },
  "additionalProperties": false
}

Output Schema

{
  "type": "object",
  "required": [
    "ok",
    "data",
    "error",
    "meta"
  ],
  "properties": {
    "ok": {
      "type": "boolean",
      "description": "Whether the local or Google provider operation completed successfully."
    },
    "data": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "array",
          "items": {}
        },
        {
          "type": "string"
        },
        {
          "type": "number"
        },
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "description": "Bounded local navigation or Google provider result when ok is true."
    },
    "meta": {
      "type": "object",
      "description": "Safe timing, pagination, cache, request, and truncation metadata.",
      "additionalProperties": true
    },
    "error": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "null"
        }
      ],
      "description": "Safe structured error when ok is false."
    }
  },
  "description": "Google MCP normalized operation envelope.",
  "additionalProperties": false
}

Code Examples

cURL

curl -X POST 'https://portal.madpanda3d.com/api/mcp' \
  -H 'Authorization: Bearer mad_live_***' \
  -H 'Content-Type: application/json' \
  -d '{
  "jsonrpc": "2.0",
  "id": "google-gmail-send-message-example",
  "method": "tools/call",
  "params": {
    "name": "google.gmail_send_message",
    "arguments": {
      "to": "to_example",
      "subject": "subject_example",
      "body": "body_example",
      "cc": "cc_example",
      "bcc": "bcc_example",
      "is_html": false,
      "reply_to": "reply_to_example",
      "thread_id": "thread_id_123",
      "from_alias": "from_alias_example"
    }
  }
}'

Node.js

const response = await fetch('https://portal.madpanda3d.com/api/mcp', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer mad_live_***',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "id": "google-gmail-send-message-example",
  "method": "tools/call",
  "params": {
    "name": "google.gmail_send_message",
    "arguments": {
      "to": "to_example",
      "subject": "subject_example",
      "body": "body_example",
      "cc": "cc_example",
      "bcc": "bcc_example",
      "is_html": false,
      "reply_to": "reply_to_example",
      "thread_id": "thread_id_123",
      "from_alias": "from_alias_example"
    }
  }
}),
});
const data = await response.json();
console.log(data);

Python

import requests

url = 'https://portal.madpanda3d.com/api/mcp'
headers = {
    'Authorization': 'Bearer mad_live_***',
    'Content-Type': 'application/json',
}
payload = {
  "jsonrpc": "2.0",
  "id": "google-gmail-send-message-example",
  "method": "tools/call",
  "params": {
    "name": "google.gmail_send_message",
    "arguments": {
      "to": "to_example",
      "subject": "subject_example",
      "body": "body_example",
      "cc": "cc_example",
      "bcc": "bcc_example",
      "is_html": false,
      "reply_to": "reply_to_example",
      "thread_id": "thread_id_123",
      "from_alias": "from_alias_example"
    }
  }
}
response = requests.post(url, headers=headers, json=payload, timeout=60)
print(response.json())

Example Responses

200 Success

{
  "ok": true,
  "message": "Tool google.gmail_send_message executed successfully.",
  "note": "Response shape varies by MCP tool. Inspect live responses for exact fields."
}

502 Upstream Error

{
  "ok": false,
  "classification": "upstream_http_error",
  "message": "Upstream MCP returned a non-success status."
}