检查当前小红书账号是否已登录，返回布尔值
AI agents call is_logged_in to retrieve information from Mcp Xhs Publisher without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves authentication status information without creating, modifying, executing, or destroying any data. It is a pure read operation that returns a boolean value indicating login state. The tool has minimal blast radius—an AI agent cannot misuse it to cause harm, as it only checks existing state.
From the tool's definition Tool name 'is_logged_in' and description '检查当前小红书账号是否已登录，返回布尔值' (Check if the current Xiaohongshu account is logged in, returns a boolean) indicate a status query with no side effects.
Attacks that exploit this kind of access
检查当前小红书账号是否已登录，返回布尔值. It is categorised as a Read tool in the Mcp Xhs Publisher MCP Server, which means it retrieves data without modifying state.
Register the Mcp Xhs Publisher MCP server in PolicyLayer and add a rule for is_logged_in: 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 Mcp Xhs Publisher. Nothing to install.
is_logged_in 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 is_logged_in 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 is_logged_in. 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.
is_logged_in is provided by the Mcp Xhs Publisher MCP server (noveldig/mcp-xhs-publisher). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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