Cancel a reservation by ID
AI agents call cancel_reservation to permanently remove resources in MCP Seat Reservation Server — 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 removes an existing booking. Once canceled, the reservation slot is freed and the original booking is lost, which cannot be undone. This fits the Destructive category as it permanently removes data/state rather than merely modifying it.
From the tool's definition cancel_reservation — 'Cancel a reservation by ID'
Attacks that exploit this kind of access
Cancel a reservation by ID. It is categorised as a Destructive tool in the MCP Seat Reservation Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MCP Seat Reservation Server 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 Seat Reservation Server. 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 Seat Reservation Server MCP server (nomura565/claude-chat-app-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →