# communications_unsubscribe_contact Unsubscribe a contact from all email communications Agent View of the PolicyLayer registry record for `communications_unsubscribe_contact`. HTML page: https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-unsubscribe-contact ## Facts - Tool: `communications_unsubscribe_contact` - Server: HubSpot MCP (`blacksand-software/hubspot-mcp`) — https://policylayer.com/tools/blacksand-software-hubspot-mcp.md - Homepage: https://github.com/BlackSand-Software/hubspot-mcp - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "communications_unsubscribe_contact", "arguments": {} } } ``` ## 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 own 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)." ## Use case 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. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches HubSpot MCP: ```json { "version": "1", "default": "deny", "tools": { "communications_unsubscribe_contact": { "limits": [ { "counter": "communications_unsubscribe_contact_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on HubSpot MCP (110) - `calls_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-archive.md - `calls_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-batch-archive.md - `crm_batch_delete_associations` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-batch-delete-associations.md - `crm_batch_delete_objects` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-batch-delete-objects.md - `crm_delete_association` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-delete-association.md - `crm_delete_object` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-delete-object.md - `emails_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/emails-archive.md - `emails_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/emails-batch-archive.md - `engagement_details_delete` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/engagement-details-delete.md - `meetings_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/meetings-batch-archive.md - `meetings_delete` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/meetings-delete.md - `notes_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/notes-archive.md - `notes_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/notes-batch-archive.md - `products_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/products-archive.md - `products_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/products-batch-archive.md - `tasks_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/tasks-archive.md - `tasks_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/tasks-batch-archive.md - `calls_batch_read` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-batch-read.md - `calls_get` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-get.md - `calls_list` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-list.md - `calls_search` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-search.md - `communications_get_preferences` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-preferences.md - `communications_get_subscription_definitions` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-subscription-definitions.md - `communications_get_subscription_status` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-subscription-status.md - `crm_get_associations` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-associations.md - `crm_get_company` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-company.md - `crm_get_company_properties` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-company-properties.md - `crm_get_contact` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-contact.md - `crm_get_contact_properties` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-contact-properties.md - `crm_get_lead` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-lead.md - …and 80 more: https://policylayer.com/tools/blacksand-software-hubspot-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=blacksand-software-hubspot-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/blacksand-software-hubspot-mcp