Analyzes the performance characteristics of a CQL query - args: keyspace, query
AI agents call analyzeQueryPerformance to retrieve information from Document Loader MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool observes and reports on query performance metrics rather than executing queries, modifying data, or triggering external operations. It is a read-only analytical function that examines query properties. The modest confidence reduction (0.15) accounts for lack of detail on whether analysis might have side effects or generate logs, but the core function is clearly informational rather than actionable on data.
From the tool's definition Tool name is 'analyzeQueryPerformance' and description states it 'Analyzes the performance characteristics of a CQL query' with arguments 'keyspace, query'.
Documented attack patterns abuse exactly the kind of access analyzeQueryPerformance gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Document Loader MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for analyzeQueryPerformance:
{
"version": "1",
"default": "deny",
"tools": {
"analyzeQueryPerformance": {}
}
}analyzeQueryPerformance is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Analyzes the performance characteristics of a CQL query - args: keyspace, query. It is categorised as a Read tool in the Document Loader MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Document Loader MCP Server MCP server in PolicyLayer and add a rule for analyzeQueryPerformance: 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 Document Loader MCP Server. Nothing to install.
analyzeQueryPerformance 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 analyzeQueryPerformance 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 analyzeQueryPerformance. 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.
analyzeQueryPerformance is provided by the Document Loader MCP Server MCP server (awslabs.document-loader-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Document Loader MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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805 Document Loader MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.