AI agents call api_ultrade_wallet_keys to retrieve information from BNB Chain MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves trading keys, which is a read-only operation that queries and returns data. While trading keys are sensitive credentials, the tool itself performs no destructive, financial, or execution action—it only fetches data. Severity is low because the risk depends on downstream use; the tool's direct action is informational.
From the tool's definition Tool name and description: 'Get trading keys' — a retrieval operation with no modification or execution.
Documented attack patterns abuse exactly the kind of access api_ultrade_wallet_keys gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BNB Chain MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for api_ultrade_wallet_keys:
{
"version": "1",
"default": "deny",
"tools": {
"api_ultrade_wallet_keys": {}
}
}api_ultrade_wallet_keys is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get trading keys. It is categorised as a Read tool in the BNB Chain MCP MCP Server, which means it retrieves data without modifying state.
Register the BNB Chain MCP server in PolicyLayer and add a rule for api_ultrade_wallet_keys: 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 BNB Chain MCP. Nothing to install.
api_ultrade_wallet_keys 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 api_ultrade_wallet_keys 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 api_ultrade_wallet_keys. 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.
api_ultrade_wallet_keys is provided by the BNB Chain MCP server (nirholas/bnbchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 1240 BNB Chain MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.