AI agents call gcloud_list_triggers to retrieve information from Gcloud without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves information about existing Cloud Build triggers without modifying, creating, deleting, or executing any resources. It is a read-only operation that returns metadata about triggers. The blast radius of misuse is minimal — an agent could only discover what triggers exist and their configurations, which is informational and carries low risk.
From the tool's definition Tool description states it 'List[s] Cloud Build triggers in a project' and 'Shows trigger name, repo, branch filter, and status' — a pure retrieval operation with no data modification, deletion, or side effects.
Attacks that exploit this kind of access
List Cloud Build triggers in a project. Shows trigger name, repo, branch filter, and status. It is categorised as a Read tool in the Gcloud MCP Server, which means it retrieves data without modifying state.
Register the Gcloud MCP server in PolicyLayer and add a rule for gcloud_list_triggers: 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 Gcloud. Nothing to install.
gcloud_list_triggers 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 gcloud_list_triggers 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 gcloud_list_triggers. 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.
gcloud_list_triggers is provided by the Gcloud MCP server (prmichaelsen/gcloud-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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