Apply for a conversion quote. The system will return:\n- Quote ID (quoteTxId)\n- Real-time exchange rate\n- Quote expiration time\n- Conversion amounts\n\nQuote Rules:\n- Quotes have a time limit, typically 30 seconds\n- A new quote must be requested after expiration\n- The quote amount must be w...
AI agents use applyQuote to commit financial operations through Bybit MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool initiates a financial conversion quote on a cryptocurrency exchange, locking in exchange rates for asset conversion. While it may appear preparatory, it commits to a quoted rate and is directly tied to executing a financial trade. The description notes it locks in exchange rates and validates trade parameters before execution, placing it firmly in the Financial category.
From the tool's definition Apply for a conversion quote...Real-time exchange rate...Lock in an exchange rate before confirming a trade...conversion amounts
Documented attack patterns abuse exactly the kind of access applyQuote gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Bybit MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for applyQuote:
{
"version": "1",
"default": "deny",
"tools": {
"applyQuote": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to applyQuote is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Apply for a conversion quote. The system will return:\n- Quote ID (quoteTxId)\n- Real-time exchange rate\n- Quote expiration time\n- Conversion amounts\n\nQuote Rules:\n- Quotes have a time limit, typically 30 seconds\n- A new quote must be requested after expiration\n- The quote amount must be within the trading pair limits\n\nImportant: Only API keys from the Master UID can call this endpoint.\n\nUse Cases:\n- Lock in an exchange rate before confirming a trade\n- Show users the exact amount they will receive\n- Validate trade parameters before execution. It is categorised as a Financial tool in the Bybit MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for applyQuote: 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 MCP Server. Nothing to install.
applyQuote is a Financial 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 applyQuote 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 applyQuote. 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.
applyQuote is provided by the Bybit MCP Server MCP server (bybit-exchange/trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Bybit MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
326 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.