Cancel a quote.
AI agents call cancel_rfq_quote to permanently remove resources in Bybit — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Cancelling an RFQ quote permanently removes it; it cannot be undone once submitted to the exchange. In the context of a trading platform with financial instruments, this is an irreversible operation affecting active market participation, placing it in the Destructive category. While it doesn't move money directly, it irreversibly voids a financial instrument/commitment.
From the tool's definition 'Cancel a quote' — cancelling a quote is an irreversible action that removes/voids the RFQ quote from the market
Attacks that exploit this kind of access
Cancel a quote. It is categorised as a Destructive tool in the Bybit MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Bybit MCP server in PolicyLayer and add a rule for cancel_rfq_quote: 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 Bybit. Nothing to install.
cancel_rfq_quote 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_rfq_quote 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_rfq_quote. 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_rfq_quote is provided by the Bybit MCP server (johnnywic/bybit-mcp). 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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