get-cost-and-usage
AI agents call get-cost-and-usage to retrieve information from AWS IoT SiteWise MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name suggests it queries or retrieves AWS cost and usage metrics, a read-only operation. While the description is empty (reducing confidence slightly), the semantic meaning of 'get' combined with 'cost-and-usage' strongly indicates data retrieval. There is no evidence of modification, deletion, or financial transactions being initiated.
From the tool's definition Tool name 'get-cost-and-usage' indicates retrieval of cost and usage data without modification. No description provided to suggest side effects or destructive operations.
Attacks that exploit this kind of access
get-cost-and-usage. It is categorised as a Read tool in the AWS IoT SiteWise MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS IoT SiteWise MCP Server MCP server in PolicyLayer and add a rule for get-cost-and-usage: 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 AWS IoT SiteWise MCP Server. Nothing to install.
get-cost-and-usage 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 get-cost-and-usage 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 get-cost-and-usage. 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.
get-cost-and-usage is provided by the AWS IoT SiteWise MCP Server MCP server (awslabs.aws-iot-sitewise-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.