AI agents call account_get_bills 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 |
|---|---|---|---|
ccy | string | — | e.g. USDT |
end | string | — | End time (ms) |
type | string | — | 1=transfer,2=trade,3=delivery,4=auto convert,5=liquidation,6=margin transfer,7=interest,8=funding fee,9=adl,10=clawback,11=sys convert,12=strategy transfer,13=d |
after | string | — | Pagination: before this bill ID |
begin | string | — | Start time (ms) |
limit | number | — | Max results (default 20) |
before | string | — | Pagination: after this bill ID |
mgnMode | string | — | |
instType | string | — |
Parameters from the server's own tool schema.
This tool retrieves and queries account ledger information (fees, charges, PnL, transfers) with no side effects or ability to modify data, execute trades, or move funds. It is a read-only operation.
From the tool's definition Tool name 'account_get_bills' and description 'Get account ledger: fees paid, funding charges, realized PnL, transfers, etc.' indicate retrieval of historical financial transaction data without modification or execution of trades.
Attacks that exploit this kind of access
Get account ledger: fees paid, funding charges, realized PnL, transfers, etc. Default 20 records (last 7 days), max 100. It is categorised as a Read tool in the Okx Trade MCP Server, which means it retrieves data without modifying state.
account_get_bills accepts 9 parameters: ccy, end, type, after, begin, limit, before, mgnMode, 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_bills: 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_bills 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_bills 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_bills. 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_bills 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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