Auto-cancel all open orders.
AI agents call countdownCancelAll to permanently remove resources in Aster Finance MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly cancels all open orders in bulk. Cancelling orders in a trading context cannot be undone (the orders are gone), and doing so across all open positions could have significant financial consequences if an AI agent triggers it inappropriately. The bulk/indiscriminate nature elevates severity to high.
From the tool's definition 'Auto-cancel all open orders' — cancels all open orders without individual selection
Attacks that exploit this kind of access
Auto-cancel all open orders. It is categorised as a Destructive tool in the Aster Finance MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Aster Finance MCP Server MCP server in PolicyLayer and add a rule for countdownCancelAll: 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 Aster Finance MCP Server. Nothing to install.
countdownCancelAll 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 countdownCancelAll 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 countdownCancelAll. 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.
countdownCancelAll is provided by the Aster Finance MCP Server MCP server (questflowai/aster-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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