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TOOL REFERENCE / SOURCE GENERATEDMAILMAN MCP / MAIL

email_bulk_operation_cancel

Stops a bulk operation that is still running. No further batches start; messages already processed stay changed and are not restored. Reach for this the moment a bulk delete or modify looks wrong — it is the only way to limit the damage of an in-flight operation. The result gives the final processed, deleted, failed and remaining counts, so you can tell the user exactly how far it got.

Input fields

{
  "type": "object",
  "properties": {
    "account_id": {
      "type": "string",
      "minLength": 1,
      "description": "The connected mailbox to act on, from email_accounts_list. Never guess this value and never reuse one across mailboxes — it selects both the credential and the permission set the call runs under."
    },
    "operation_id": {
      "type": "string",
      "minLength": 1,
      "description": "The operation to stop."
    }
  },
  "required": [
    "account_id",
    "operation_id"
  ]
}

Tool behavior

May change provider state. Check the explicit account, required access and provider capabilities before invoking.

Inspect isError and per-account errors. General write tools do not all enforce exact-plan approval. This reference does not certify any current AI client version.

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