# cancel_scheduled_message

Cancel a scheduled message before it is sent

Agent View of the PolicyLayer registry record for `cancel_scheduled_message`. HTML page: https://policylayer.com/tools/hooker-dev-hailey-mcp/cancel-scheduled-message

## Facts

- Tool: `cancel_scheduled_message`
- Server: GoHighLevel MCP Server (`hooker-dev/hailey-mcp`) — https://policylayer.com/tools/hooker-dev-hailey-mcp.md
- Homepage: https://github.com/hooker-dev/hailey-mcp
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Hidden

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "cancel_scheduled_message",
    "arguments": {}
  }
}
```

## Why cancel_scheduled_message is rated Critical

Cancelling a scheduled message is an irreversible action — once cancelled, the scheduled delivery is permanently removed and cannot be restored. This aligns with the Destructive category as the scheduled state is permanently lost, even though no data record is deleted per se. The blast radius is medium since it affects pending outbound communications that may be time-sensitive for marketing or sales workflows.

From the tool's own definition: "Cancel a scheduled message before it is sent"

## Use case

AI agents call cancel_scheduled_message to permanently remove resources in GoHighLevel MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

## Recommended policy (PolicyLayer)

Verdict: **Hidden**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches GoHighLevel MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "cancel_scheduled_message"
  ]
}
```

## Other tools on GoHighLevel MCP Server (254)

- `bulk_delete_social_posts` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/bulk-delete-social-posts.md
- `cancel_scheduled_email` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/cancel-scheduled-email.md
- `delete_appointment` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-appointment.md
- `delete_appointment_note` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-appointment-note.md
- `delete_calendar` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-calendar.md
- `delete_calendar_group` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-calendar-group.md
- `delete_calendar_notification` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-calendar-notification.md
- `delete_calendar_resource_equipment` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-calendar-resource-equipment.md
- `delete_calendar_resource_room` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-calendar-resource-room.md
- `delete_contact` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-contact.md
- `delete_contact_note` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-contact-note.md
- `delete_contact_task` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-contact-task.md
- `delete_conversation` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-conversation.md
- `delete_coupon` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-coupon.md
- `delete_custom_provider_integration` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-custom-provider-integration.md
- `delete_email_template` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-email-template.md
- `delete_invoice_template` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-invoice-template.md
- `delete_location` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-location.md
- `delete_location_custom_field` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-location-custom-field.md
- `delete_location_custom_value` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-location-custom-value.md
- `delete_location_tag` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-location-tag.md
- `delete_location_template` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-location-template.md
- `delete_media_file` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-media-file.md
- `delete_object_record` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-object-record.md
- `delete_opportunity` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-opportunity.md
- `delete_social_account` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-social-account.md
- `delete_social_post` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/delete-social-post.md
- `ghl_delete_association` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/ghl-delete-association.md
- `ghl_delete_custom_field` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/ghl-delete-custom-field.md
- `ghl_delete_custom_field_folder` — Destructive — https://policylayer.com/tools/hooker-dev-hailey-mcp/ghl-delete-custom-field-folder.md
- …and 224 more: https://policylayer.com/tools/hooker-dev-hailey-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`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=hooker-dev-hailey-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/hooker-dev-hailey-mcp
