gcp_agent_list_data_stores
List data stores for Agent Builder
This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-agent-list-data-stores.md
What gcp_agent_list_data_stores does on GCP MCP Server
AI agents call gcp_agent_list_data_stores 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_agent_list_data_stores is rated Low
This tool queries and enumerates existing data stores in Agent Builder. It performs a retrieval-only operation with no capacity to modify, delete, or execute actions. The blast radius of misuse is limited to information disclosure of data store metadata.
From the tool's definition Tool name contains 'list' and description states 'List data stores' — a clear read operation that retrieves data without modification or side effects.
Attacks that exploit this kind of access
The rule that runs gcp_agent_list_data_stores 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_agent_list_data_stores, this is the rule to start with:
gcp_agent_list_data_stores 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_agent_list_data_stores call is checked against it from then on.
Questions about gcp_agent_list_data_stores
List data stores for Agent Builder. 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_agent_list_data_stores: 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_agent_list_data_stores 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_agent_list_data_stores 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_agent_list_data_stores. 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_agent_list_data_stores 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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