list-billing-group-cost-reports
AI agents call list-billing-group-cost-reports to retrieve information from Amazon MQ MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'list' prefix strongly suggests this tool retrieves or queries billing/cost data from billing groups. Listing operations are non-destructive reads that return information without side effects. No modification, deletion, or execution is implied. However, confidence is moderate-to-high (0.7) due to the empty description, which prevents confirmation of exact behavior and potential access control implications.
From the tool's definition Tool name 'list-billing-group-cost-reports' contains 'list', which is a classic Read operation verb. The description is empty, but the name itself indicates retrieval of cost report data without modification.
Attacks that exploit this kind of access
list-billing-group-cost-reports. It is categorised as a Read tool in the Amazon MQ MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Amazon MQ MCP Server MCP server in PolicyLayer and add a rule for list-billing-group-cost-reports: 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 Amazon MQ MCP Server. Nothing to install.
list-billing-group-cost-reports 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 list-billing-group-cost-reports 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 list-billing-group-cost-reports. 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.
list-billing-group-cost-reports is provided by the Amazon MQ MCP Server MCP server (awslabs.amazon-mq-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.