AI agents call list_folders to retrieve information from Apifox MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a query/list operation to retrieve folder structure information from an Apifox API project. It retrieves data without modifying, deleting, or executing anything. This is a straightforward Read category tool with low severity since it only exposes the organizational structure of API projects, which is typically non-sensitive metadata.
From the tool's definition Tool name 'list_folders' and description stating it lists (列出) all directory structures in an Apifox project. This is a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access list_folders gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Apifox MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_folders:
{
"version": "1",
"default": "deny",
"tools": {
"list_folders": {}
}
}list_folders is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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列出 Apifox 项目中的所有目录结构。. It is categorised as a Read tool in the Apifox MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Apifox MCP Server MCP server in PolicyLayer and add a rule for list_folders: 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 Apifox MCP Server. Nothing to install.
list_folders 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 list_folders 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 list_folders. 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.
list_folders is provided by the Apifox MCP Server MCP server (iwen-conf/apifox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Apifox 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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22 Apifox MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.