communications_unsubscribe_contact

What communications_unsubscribe_contact does on HubSpot MCP

AI agents use communications_unsubscribe_contact to create or update resources in HubSpot MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HubSpot MCP environment.

Why communications_unsubscribe_contact is rated Medium

This tool modifies contact data by changing email subscription status, making it a Write operation rather than Read. The severity is medium because unsubscribing contacts affects business operations and customer relationships but is reversible. If misused at scale, an agent could unsubscribe many contacts, but the action is not destructive (data isn't deleted) nor financial.

From the tool's definition Tool name contains 'unsubscribe' and description states 'Unsubscribe a contact from all email communications' — this modifies contact communication preferences and marketing subscription state, which is reversible (a contact can be re-subscribed).

The rule that runs communications_unsubscribe_contact safely

PolicyLayer is an MCP gateway: it sits between your AI agents and HubSpot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For communications_unsubscribe_contact, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "communications_unsubscribe_contact": {
      "limits": [
        {
          "counter": "communications_unsubscribe_contact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about communications_unsubscribe_contact