List all comments in a Google Document.
AI agents call list_comments to retrieve information from Google Docs 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 comment data from a Google Document without modifying, creating, deleting, or executing any operations. It is a straightforward read operation that poses minimal risk if called by an AI agent, as it only exposes comment metadata that is likely already visible to authorized users.
From the tool's definition Tool name 'list_comments' and description 'List all comments in a Google Document' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all comments in a Google Document. It is categorised as a Read tool in the Google Docs MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Docs MCP Server MCP server in PolicyLayer and add a rule for list_comments: 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 Docs MCP Server. Nothing to install.
list_comments 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 list_comments 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 list_comments. 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.
list_comments is provided by the Google Docs MCP Server MCP server (nickweedon/google-docs-mcp-docker). 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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