gcp_monitoring_list_metric_descriptors

List available metric types

SERVERGCP MCP Server SOURCEahmedselimmansor-ctrl/gcp_mcp_server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-monitoring-list-metric-descriptors.md

WHAT IT DOES

What gcp_monitoring_list_metric_descriptors does on GCP MCP Server

AI agents call gcp_monitoring_list_metric_descriptors to retrieve information from GCP MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why gcp_monitoring_list_metric_descriptors is rated Low

This tool queries and retrieves metadata about available metrics in GCP Monitoring—a read-only operation. It does not create, modify, delete, or execute anything. The blast radius of misuse is minimal; an AI agent could at worst enumerate monitoring capabilities, which is low-risk information disclosure.

From the tool's definition Tool name 'list_metric_descriptors' and description 'List available metric types' indicate a retrieval operation with no data modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gcp_monitoring_list_metric_descriptors safely

PolicyLayer is an MCP gateway: it sits between your AI agents and GCP MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gcp_monitoring_list_metric_descriptors, this is the rule to start with:

gcp_monitoring_list_metric_descriptors Allowed

gcp_monitoring_list_metric_descriptors is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gcp_monitoring_list_metric_descriptors": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_monitoring_list_metric_descriptors call is checked against it from then on.

FAQ

Questions about gcp_monitoring_list_metric_descriptors

What does the gcp_monitoring_list_metric_descriptors tool do? +

List available metric types. It is categorised as a Read tool in the GCP MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gcp_monitoring_list_metric_descriptors? +

Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_monitoring_list_metric_descriptors: 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.

What risk level is gcp_monitoring_list_metric_descriptors? +

gcp_monitoring_list_metric_descriptors is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit gcp_monitoring_list_metric_descriptors? +

Yes. Add a rate_limit block to the gcp_monitoring_list_metric_descriptors 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.

How do I block gcp_monitoring_list_metric_descriptors completely? +

Set action: deny in the PolicyLayer policy for gcp_monitoring_list_metric_descriptors. 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.

What MCP server provides gcp_monitoring_list_metric_descriptors? +

gcp_monitoring_list_metric_descriptors is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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