AI agents call get_folder to retrieve information from HUDU MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves folder metadata from the HUDU platform. It performs a read-only query operation with no side effects, matching the Read category definition. The blast radius is minimal as it only fetches existing information without altering system state. Severity is low because unauthorized access to folder metadata alone poses limited risk compared to credentials or financial data access.
From the tool's definition Tool name 'get_folder' and description 'Get detailed information about a specific folder' indicate a retrieval operation with no modification or deletion of data.
Documented attack patterns abuse exactly the kind of access get_folder gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and HUDU MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_folder:
{
"version": "1",
"default": "deny",
"tools": {
"get_folder": {}
}
} get_folder 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 specific folder. It is categorised as a Read tool in the HUDU MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HUDU MCP Server MCP server in PolicyLayer and add a rule for get_folder: 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 HUDU MCP Server. Nothing to install.
get_folder 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 get_folder 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 get_folder. 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.
get_folder is provided by the HUDU MCP Server MCP server (jlbyh2o/hudu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from HUDU MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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17 HUDU MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.