Cancel an existing Hilton reservation. IMPORTANT: Set confirm=true only when you have explicit user confirmation. This action cannot be undone.
AI agents call cancel_reservation to permanently remove resources in Mcp Hilton — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Canceling a reservation is an irreversible action that destroys/voids existing travel arrangements. This meets the definition of Destructive (irreversibly deletes or modifies data that cannot be undone). While it could be classified as Financial due to the impact on bookings and potential refund implications, the primary destructive nature of permanently canceling a reservation takes precedence.
From the tool's definition Tool description explicitly states 'This action cannot be undone' and performs cancellation of reservations, which irreversibly removes/modifies a booking record.
Attacks that exploit this kind of access
Cancel an existing Hilton reservation. IMPORTANT: Set confirm=true only when you have explicit user confirmation. This action cannot be undone. It is categorised as a Destructive tool in the Mcp Hilton MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp Hilton MCP server in PolicyLayer and add a rule for cancel_reservation: 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 Mcp Hilton. Nothing to install.
cancel_reservation 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 cancel_reservation 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 cancel_reservation. 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.
cancel_reservation is provided by the Mcp Hilton MCP server (markswendsen-code/mcp-hilton). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
cancel_reservation is one line of Mcp Hilton's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →