gcp_lb_get_forwarding_rule
Get details of a forwarding rule
This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-lb-get-forwarding-rule.md
What gcp_lb_get_forwarding_rule does on GCP MCP Server
AI agents call gcp_lb_get_forwarding_rule 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_lb_get_forwarding_rule is rated Low
This tool retrieves metadata about a GCP load balancer forwarding rule. It queries existing infrastructure configuration without creating, modifying, deleting, or executing anything. The blast radius is minimal: exposure of this tool allows an AI agent to enumerate forwarding rule configurations but not alter them or trigger operations.
From the tool's definition Tool name includes 'get' and description states 'Get details of a forwarding rule' — a read-only retrieval operation with no modification or execution of resources.
Attacks that exploit this kind of access
The rule that runs gcp_lb_get_forwarding_rule 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_lb_get_forwarding_rule, this is the rule to start with:
gcp_lb_get_forwarding_rule is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_lb_get_forwarding_rule call is checked against it from then on.
Questions about gcp_lb_get_forwarding_rule
Get details of a forwarding rule. 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 gcp_lb_get_forwarding_rule: 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.
gcp_lb_get_forwarding_rule 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 gcp_lb_get_forwarding_rule 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 gcp_lb_get_forwarding_rule. 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.
gcp_lb_get_forwarding_rule 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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