query_single_attendance_students
AI agents call query_single_attendance_students to retrieve information from Xiaoya Teacher without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name contains 'query' and 'students', which indicates a read-only operation that retrieves attendance data without modification. The server description mentions '签到统计' (attendance statistics), positioning this as a data retrieval function. No modification, deletion, or external execution is implied.
From the tool's definition Tool name 'query_single_attendance_students' and server context indicating 'attendance statistics' functionality suggest data retrieval. Description is empty, limiting certainty.
Attacks that exploit this kind of access
query_single_attendance_students. It is categorised as a Read tool in the Xiaoya Teacher MCP Server, which means it retrieves data without modifying state.
Register the Xiaoya Teacher MCP server in PolicyLayer and add a rule for query_single_attendance_students: 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 Xiaoya Teacher. Nothing to install.
query_single_attendance_students 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_single_attendance_students 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_single_attendance_students. 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_single_attendance_students is provided by the Xiaoya Teacher MCP server (sav1our520/xiaoya-teacher-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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