Sum / avg / min / max / count of a numeric field across all matching records —
AI agents call qobrix_aggregate to retrieve information from Qobrix CRM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and computes statistics from existing data without creating, modifying, deleting, or executing external operations. It is a classic Read operation—a query that produces insights from data without changing state.
From the tool's definition Tool performs aggregation operations (sum, avg, min, max, count) on numeric fields across matching records. Server is explicitly described as 'read-only' with no data modification capabilities.
Attacks that exploit this kind of access
Sum / avg / min / max / count of a numeric field across all matching records —. It is categorised as a Read tool in the Qobrix CRM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Qobrix CRM MCP Server MCP server in PolicyLayer and add a rule for qobrix_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 Qobrix CRM MCP Server. Nothing to install.
qobrix_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 qobrix_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 qobrix_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.
qobrix_aggregate is provided by the Qobrix CRM MCP Server MCP server (sharpsir-group/qobrix-crm-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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