List all GCP services with pre-defined deployment permission sets
AI agents call gcp-iam-list-deployment-services to retrieve information from GCP Billing and Monitoring 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 and queries existing GCP service configurations and their associated IAM permissions. It does not create, modify, delete, execute commands, or trigger financial transactions. The 'list' operation is a pure read with no ability to change system state.
From the tool's definition Tool name contains 'list' and description states 'List all GCP services' — a retrieval operation with no modification or side effects. Returns pre-defined permission sets for informational purposes.
Attacks that exploit this kind of access
List all GCP services with pre-defined deployment permission sets. It is categorised as a Read tool in the GCP Billing and Monitoring MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GCP Billing and Monitoring MCP Server MCP server in PolicyLayer and add a rule for gcp-iam-list-deployment-services: 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 Billing and Monitoring MCP Server. Nothing to install.
gcp-iam-list-deployment-services 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-iam-list-deployment-services 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-iam-list-deployment-services. 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-iam-list-deployment-services is provided by the GCP Billing and Monitoring MCP Server MCP server (radiumgu/gcp-billing-and-monitoring-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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