AI agents call account_get_trade_fee to retrieve information from Okx Trade without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
instId | string | — | e.g. BTC-USDT-SWAP |
instType | string | Yes |
Parameters from the server's own tool schema.
This tool retrieves fee rate data without modifying, executing code, deleting data, or moving funds. It is purely informational and has no side effects. The tool supports decision-making by querying existing fee tier information, making it a Read operation with low severity.
From the tool's definition Tool name 'account_get_trade_fee' and description 'Get maker/taker fee rates for the account' indicate a read-only query operation that retrieves fee rate information.
Attacks that exploit this kind of access
Get maker/taker fee rates for the account. Useful to understand your fee tier before trading. It is categorised as a Read tool in the Okx Trade MCP Server, which means it retrieves data without modifying state.
account_get_trade_fee accepts 2 parameters: instId, instType. Required: instType. The full parameter table on this page comes from the server's own tool schema.
Register the Okx Trade MCP server in PolicyLayer and add a rule for account_get_trade_fee: 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 Okx Trade. Nothing to install.
account_get_trade_fee is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the account_get_trade_fee 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 account_get_trade_fee. 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.
account_get_trade_fee is provided by the Okx Trade MCP server (@okx_ai/okx-trade-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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