List people in the organization directory. Only works for Google Workspace accounts, not personal Gmail accounts.
AI agents call listPeopleDirectory to retrieve information from Google Workspace 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 directory information about people in an organization without creating, modifying, deleting, or executing any operations. It is a straightforward data retrieval function. The risk is low because directory listings are typically semi-public organizational data, though exposure should still be monitored in a security context.
From the tool's definition Tool name is 'listPeopleDirectory' and description states it 'List people in the organization directory' — a read-only query operation with no modification capability.
Attacks that exploit this kind of access
List people in the organization directory. Only works for Google Workspace accounts, not personal Gmail accounts. It is categorised as a Read tool in the Google Workspace MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Workspace MCP Server MCP server in PolicyLayer and add a rule for listPeopleDirectory: 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 Google Workspace MCP Server. Nothing to install.
listPeopleDirectory 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 listPeopleDirectory 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 listPeopleDirectory. 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.
listPeopleDirectory is provided by the Google Workspace MCP Server MCP server (pm990320/google-workspace-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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