AI agents call get_xhs_feed_categories to retrieve information from Xiaohongshu API MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches or retrieves a list of feed categories from the Xiaohongshu platform. It performs a query operation with no ability to modify data, execute code, delete information, or create financial obligations. The naming pattern 'get_' and the verb '获取' (retrieve) confirm this is a read-only data retrieval operation.
From the tool's definition Tool name 'get_xhs_feed_categories' and description '获取小红书推荐流的分类列表' (retrieve Xiaohongshu recommendation feed category list) indicate a retrieval operation with no modification or execution of side effects.
Documented attack patterns abuse exactly the kind of access get_xhs_feed_categories gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Xiaohongshu API MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_xhs_feed_categories:
{
"version": "1",
"default": "deny",
"tools": {
"get_xhs_feed_categories": {}
}
}get_xhs_feed_categories is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取小红书推荐流的分类列表。. It is categorised as a Read tool in the Xiaohongshu API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Xiaohongshu API MCP Server MCP server in PolicyLayer and add a rule for get_xhs_feed_categories: 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 Xiaohongshu API MCP Server. Nothing to install.
get_xhs_feed_categories 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_xhs_feed_categories 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_xhs_feed_categories. 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_xhs_feed_categories is provided by the Xiaohongshu API MCP Server MCP server (proerror77/xhs_mcp_agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Xiaohongshu API 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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9 Xiaohongshu API MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.