Move completed tasks older than a specified number of days from one list to another (archive) list. Useful for cleaning up active lists while preserving historical tasks.
AI agents use archive-completed-tasks to create or update resources in Microsoft Todo Safe — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Microsoft Todo Safe environment.
This tool performs a reversible modification: moving tasks between lists. Although it uses the word 'archive,' it does not permanently delete data—tasks are preserved in an archive list and can be moved back or accessed later. This is a Write operation (reversible data modification), not Destructive.
From the tool's definition Tool 'archive-completed-tasks' moves completed tasks from one list to another, which modifies the state of the task system by relocating items.
Attacks that exploit this kind of access
Move completed tasks older than a specified number of days from one list to another (archive) list. Useful for cleaning up active lists while preserving historical tasks. It is categorised as a Write tool in the Microsoft Todo Safe MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Microsoft Todo Safe MCP server in PolicyLayer and add a rule for archive-completed-tasks: 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 Microsoft Todo Safe. Nothing to install.
archive-completed-tasks is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the archive-completed-tasks 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 archive-completed-tasks. 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.
archive-completed-tasks is provided by the Microsoft Todo Safe MCP server (saenai/microsoft-todo-safe-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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