Cancel a scheduled SavvyCal event. This action cannot be undone. Use this when: - A meeting needs to be canceled - A booking should be removed from your calendar Args: - id (string, required): The event ID to cancel — get from savvycal_list_events - response_format ("markdown" | "json"): Output f...
Part of the SavvyCal MCP Server server.
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AI agents may call savvycal_cancel_event to permanently remove or destroy resources in SavvyCal MCP Server. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.
Without a policy, an AI agent could call savvycal_cancel_event in a loop, permanently destroying resources in SavvyCal MCP Server. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.
Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.
{
"version": "1",
"default": "deny",
"hide": [
"savvycal_cancel_event"
]
}See the full SavvyCal MCP Server policy for all 8 tools.
These attack patterns abuse exactly the kind of access savvycal_cancel_event gives an agent. Each links to the full case and the policy that stops it:
Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Cancel a scheduled SavvyCal event. This action cannot be undone. Use this when: - A meeting needs to be canceled - A booking should be removed from your calendar Args: - id (string, required): The event ID to cancel — get from savvycal_list_events - response_format ("markdown" | "json"): Output format (default: "markdown") Returns: The updated event with state set to "canceled". ⚠️ This permanently cancels the meeting. The attendee may receive a cancellation notification.. It is categorised as a Destructive tool in the SavvyCal MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the SavvyCal MCP Server MCP server in PolicyLayer and add a rule for savvycal_cancel_event: 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 SavvyCal MCP Server. Nothing to install.
savvycal_cancel_event 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 savvycal_cancel_event 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 savvycal_cancel_event. 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.
savvycal_cancel_event is provided by the SavvyCal MCP Server MCP server (arturkoter/savvycal-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 8 SavvyCal MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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