stateset_cancel_purchase_order
Cancels a purchase order. Only works for POs not yet received. Optionally provide a cancellation reason.
This record as markdown: /tools/stateset-mcp-server/stateset-cancel-purchase-order.md
What stateset_cancel_purchase_order does on Stateset
AI agents call stateset_cancel_purchase_order to permanently remove resources in Stateset, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why stateset_cancel_purchase_order is rated Critical
Cancellation of a purchase order is a permanent action that cannot be undone without negotiating a new PO with the supplier. This is irreversible in practical terms and represents a significant business commitment change. Although it does not delete data from a system, it terminates an active business obligation.
From the tool's definition Tool description states it "Cancels a purchase order" — a PO cancellation is an irreversible commitment reversal that voids a binding business agreement, prevents anticipated inventory receipt, and may trigger penalties or supplier disputes.
Attacks that exploit this kind of access
The rule that runs stateset_cancel_purchase_order safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Stateset, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For stateset_cancel_purchase_order, this is the rule to start with:
stateset_cancel_purchase_order 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 Stateset, apply this rule, and every stateset_cancel_purchase_order call is checked against it from then on.
Questions about stateset_cancel_purchase_order
Cancels a purchase order. Only works for POs not yet received. Optionally provide a cancellation reason. It is categorised as a Destructive tool in the Stateset MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Stateset MCP server in PolicyLayer and add a rule for stateset_cancel_purchase_order: 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 Stateset. Nothing to install.
stateset_cancel_purchase_order 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 stateset_cancel_purchase_order 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 stateset_cancel_purchase_order. 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.
stateset_cancel_purchase_order is provided by the Stateset MCP server (stateset/stateset-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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