AI agents call qf_records_aggregate to retrieve information from Qingflow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs aggregation operations (grouping and computing metrics) on existing records, which is a read-only analytical operation. It retrieves and computes statistics from data without creating, modifying, deleting, or executing arbitrary code. The emphasis on 'deterministic, auditable statistics' further confirms this is a safe query operation with no side effects.
From the tool's definition Tool name 'qf_records_aggregate' and description 'Aggregate records by group_by columns with optional amount metrics' indicate data retrieval and statistical computation with no modification capabilities.
Attacks that exploit this kind of access
Aggregate records by group_by columns with optional amount metrics. Designed for deterministic, auditable statistics. It is categorised as a Read tool in the Qingflow MCP Server, which means it retrieves data without modifying state.
Register the Qingflow MCP server in PolicyLayer and add a rule for qf_records_aggregate: 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 Qingflow. Nothing to install.
qf_records_aggregate 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 qf_records_aggregate 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 qf_records_aggregate. 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.
qf_records_aggregate is provided by the Qingflow MCP server (qingflow-mcp). 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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