cancel_task_tool
AI agents call cancel_task_tool to permanently remove resources in QPanda3 Runtime MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Cancelling a task is typically an irreversible action — once a quantum computing task is cancelled, it cannot be resumed. This places it in the Destructive category as it permanently terminates an operation. However, confidence is lowered significantly due to the empty description, as the actual behavior is uncertain.
From the tool's definition Tool name is 'cancel_task_tool'; description is empty and uninformative.
Attacks that exploit this kind of access
cancel_task_tool. It is categorised as a Destructive tool in the QPanda3 Runtime MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the QPanda3 Runtime MCP Server MCP server in PolicyLayer and add a rule for cancel_task_tool: 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 QPanda3 Runtime MCP Server. Nothing to install.
cancel_task_tool 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_task_tool 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_task_tool. 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_task_tool is provided by the QPanda3 Runtime MCP Server MCP server (originq/qpanda3-runtime-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.
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