查询所有预约记录
AI agents call query_all_reservations to retrieve information from Reservation System MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that retrieves reservation data without side effects. Severity is medium rather than low because the tool accesses potentially sensitive personal data (reservation records likely containing names, contact information, and appointment details), which could be exposed if misused by an AI agent. However, it performs no destructive, financial, or execute operations.
From the tool's definition Tool name 'query_all_reservations' and description '查询所有预约记录' (query all reservation records) indicate data retrieval with no modification.
Attacks that exploit this kind of access
查询所有预约记录. It is categorised as a Read tool in the Reservation System MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Reservation System MCP Server MCP server in PolicyLayer and add a rule for query_all_reservations: 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 Reservation System MCP Server. Nothing to install.
query_all_reservations 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_all_reservations 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_all_reservations. 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_all_reservations is provided by the Reservation System MCP Server MCP server (lingki1/mcp-reservation-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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