gcp_vpc_get_firewall

What gcp_vpc_get_firewall does on GCP MCP Server

AI agents call gcp_vpc_get_firewall 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.

Why gcp_vpc_get_firewall is rated Low

This tool retrieves firewall rule configuration information. Retrieving security configuration details is a read operation—it queries data without altering, executing, or destroying anything. While firewall rules are security-sensitive, the read-only nature limits blast radius. An AI could learn the rules but cannot directly create, modify, or delete them through this tool.

From the tool's definition Tool name is 'gcp_vpc_get_firewall' and description states 'Get details of a firewall rule'. The verb 'get' and 'details' indicate retrieval/querying of existing configuration data with no modification or side effects.

The rule that runs gcp_vpc_get_firewall 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_vpc_get_firewall, this is the rule to start with:

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

Questions about gcp_vpc_get_firewall