Get infrastructure cost breakdown
AI agents call get_cost_analysis to retrieve information from Terragrunt GCP Tool MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes cost information from GCP infrastructure. It performs a read-only operation that queries cost data without creating, modifying, deleting, or executing any infrastructure changes. The blast radius of misuse is minimal—an agent could only view sensitive cost information, but cannot alter infrastructure or finances. Therefore, it maps to Read category with low severity.
From the tool's definition Tool name 'get_cost_analysis' and description 'Get infrastructure cost breakdown' indicate retrieval and analysis of existing cost data with no modifications, deployments, or resource changes.
Attacks that exploit this kind of access
Get infrastructure cost breakdown. It is categorised as a Read tool in the Terragrunt GCP Tool MCP MCP Server, which means it retrieves data without modifying state.
Register the Terragrunt GCP Tool MCP server in PolicyLayer and add a rule for get_cost_analysis: 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 Terragrunt GCP Tool MCP. Nothing to install.
get_cost_analysis 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_analysis 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_analysis. 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_analysis is provided by the Terragrunt GCP Tool MCP server (spolspol/terragrunt-gcp-tool-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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