Retrieve metrics from Google Cloud Monitoring. Useful for performance analysis and capacity planning.
AI agents call get_metrics to retrieve information from GCP 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 existing metrics data from Google Cloud Monitoring without creating, modifying, deleting, or executing any operations. It is a straightforward data query operation with no side effects or ability to alter system state. The low severity reflects minimal blast radius—an AI misuse would at most retrieve metrics it shouldn't access, not cause operational harm or data loss.
From the tool's definition Tool name 'get_metrics' and description 'Retrieve metrics from Google Cloud Monitoring' indicate a read-only operation that queries monitoring data. The context is 'performance analysis and capacity planning,' which are non-destructive analytical use cases.
Attacks that exploit this kind of access
Retrieve metrics from Google Cloud Monitoring. Useful for performance analysis and capacity planning. It is categorised as a Read tool in the GCP MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GCP MCP Server MCP server in PolicyLayer and add a rule for get_metrics: 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 GCP MCP Server. Nothing to install.
get_metrics 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_metrics 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_metrics. 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_metrics is provided by the GCP MCP Server MCP server (jayrajgoyal/gcp-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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