AI agents call get_user_profile to retrieve information from Juejin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user profile information after authentication. It performs a read-only query with no side effects, data modification, code execution, or destructive operations. The requirement for authorization (需要授权) is a standard security control for sensitive data access, not a behavioral indicator of a higher-risk category. Severity is low because user profile data retrieval is a standard, safe operation.
From the tool's definition Tool name 'get_user_profile' and description '获取当前用户信息（需要授权）' (Get current user information - requires authorization) indicate retrieval of user profile data with no modifications.
Attacks that exploit this kind of access
获取当前用户信息（需要授权）. It is categorised as a Read tool in the Juejin MCP Server, which means it retrieves data without modifying state.
Register the Juejin MCP server in PolicyLayer and add a rule for get_user_profile: 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 Juejin. Nothing to install.
get_user_profile 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_user_profile 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_user_profile. 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_user_profile is provided by the Juejin MCP server (ztxtxwd/juejin-mcp-server). 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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