Lists all Microsoft To Do task lists
AI agents call list-task-lists to retrieve information from Outlook Assistant without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates existing task lists from Microsoft To Do without modifying, deleting, or executing any operations. It is a straightforward read operation with minimal security risk—the worst-case scenario is exposure of task list metadata that the authenticated user already has access to.
From the tool's definition Tool name 'list-task-lists' and description 'Lists all Microsoft To Do task lists' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
Lists all Microsoft To Do task lists. It is categorised as a Read tool in the Outlook Assistant MCP Server, which means it retrieves data without modifying state.
Register the Outlook Assistant 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 Outlook Assistant. 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 Outlook Assistant MCP server (titanzero/outlook-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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