查询用户的地址簿信息
AI agents call query_address_book to retrieve information from Shipping Service MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves address book data without modifying, creating, or deleting any information. It is a straightforward read operation that returns existing user address information. The low severity reflects minimal blast radius—exposing address data is a privacy concern but not destructive or executable.
From the tool's definition Tool name 'query_address_book' and description '查询用户的地址簿信息' (query user's address book information) indicates a retrieval operation with no side effects.
Attacks that exploit this kind of access
查询用户的地址簿信息. It is categorised as a Read tool in the Shipping Service MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Shipping Service MCP Server MCP server in PolicyLayer and add a rule for query_address_book: 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 Shipping Service MCP Server. Nothing to install.
query_address_book 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 query_address_book 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 query_address_book. 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.
query_address_book is provided by the Shipping Service MCP Server MCP server (wangtingyeye/guoguo-mcp-python). 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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