List all task lists for the authenticated user.
AI agents call list-task-lists to retrieve information from Google Tasks 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 task list data for the authenticated user without any side effects or state modifications. It is a straightforward read operation that returns existing data.
From the tool's definition Tool name and description indicate retrieval operation: 'List all task lists' with no modification, deletion, or execution capability mentioned.
Attacks that exploit this kind of access
List all task lists for the authenticated user. It is categorised as a Read tool in the Google Tasks MCP Server, which means it retrieves data without modifying state.
Register the Google Tasks MCP server in PolicyLayer and add a rule for list-task-lists: 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 Tasks. Nothing to install.
list-task-lists 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-task-lists 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-task-lists. 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-task-lists is provided by the Google Tasks MCP server (scottie-will/google-tasks-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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