This record as markdown: /tools/aiwerk-mcp-server-ghl/conversations-cancel-scheduled-message.md
What conversations_cancel_scheduled_message does on Ghl
AI agents call conversations_cancel_scheduled_message to permanently remove resources in Ghl, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
| Parameter | Type | Required | Description |
|---|---|---|---|
messageId | string | Yes | Message Id |
Parameters from the server's own tool schema.
Why conversations_cancel_scheduled_message is rated Critical
An AI agent that decides to call conversations_cancel_scheduled_message doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Ghl is gone. There is no undo for destructive operations.
Attacks that exploit this kind of access
The rule that runs conversations_cancel_scheduled_message safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ghl, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For conversations_cancel_scheduled_message, this is the rule to start with:
conversations_cancel_scheduled_message is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Ghl, apply this rule, and every conversations_cancel_scheduled_message call is checked against it from then on.
Questions about conversations_cancel_scheduled_message
Cancel a scheduled message. It is categorised as a Destructive tool in the Ghl MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
conversations_cancel_scheduled_message accepts 1 parameter: messageId. Required: messageId. The full parameter table on this page comes from the server's own tool schema.
Register the Ghl MCP server in PolicyLayer and add a rule for conversations_cancel_scheduled_message: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ghl. Nothing to install.
conversations_cancel_scheduled_message is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the conversations_cancel_scheduled_message rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for conversations_cancel_scheduled_message. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
conversations_cancel_scheduled_message is provided by the Ghl MCP server (@aiwerk/mcp-server-ghl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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