AI agents call api_ultrade_market_assets 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 fetches a list of trading assets from the Ultrade market, which is a read-only data retrieval operation. No data is created, modified, deleted, or financial transactions are initiated.
From the tool's definition "Get trading assets" — retrieves/queries asset data with no side effects
Documented attack patterns abuse exactly the kind of access api_ultrade_market_assets 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_market_assets:
{
"version": "1",
"default": "deny",
"tools": {
"api_ultrade_market_assets": {}
}
}api_ultrade_market_assets 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 assets. 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_market_assets: 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_market_assets 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_market_assets 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_market_assets. 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_market_assets 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.