AI agents call gnfd_get_bucket_info 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.
This tool queries and retrieves information about BNB Greenfield storage buckets. The 'get' action and 'detailed information' retrieval indicate a read-only operation that does not create, modify, delete, or execute code. Even in a financial ecosystem context, gathering bucket metadata poses minimal risk as it has no side effects beyond data retrieval.
From the tool's definition Tool name includes 'get' and description states 'Get detailed information about a bucket' - retrieves bucket metadata without modification or side effects.
Documented attack patterns abuse exactly the kind of access gnfd_get_bucket_info 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 gnfd_get_bucket_info:
{
"version": "1",
"default": "deny",
"tools": {
"gnfd_get_bucket_info": {}
}
}gnfd_get_bucket_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get detailed information about a bucket. 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 gnfd_get_bucket_info: 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.
gnfd_get_bucket_info 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 gnfd_get_bucket_info 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 gnfd_get_bucket_info. 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.
gnfd_get_bucket_info 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.