List all pending todos that are due this week or earlier
AI agents call List-Due-This-Week to retrieve information from Todos without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and filters todo items based on due date criteria without modifying, deleting, or executing any actions. It is purely informational and presents no security risk beyond potential information disclosure, which is minimal in a todo list context. Severity is low because the blast radius of misuse is limited to reading task metadata.
From the tool's definition Tool name 'List-Due-This-Week' and description 'List all pending todos that are due this week or earlier' indicate a retrieval/query operation with no side effects.
Documented attack patterns abuse exactly the kind of access List-Due-This-Week gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Todos, and nothing reaches the server without passing your rules. This is the rule we recommend for List-Due-This-Week:
{
"version": "1",
"default": "deny",
"tools": {
"List-Due-This-Week": {}
}
}List-Due-This-Week is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all pending todos that are due this week or earlier. It is categorised as a Read tool in the Todos MCP Server, which means it retrieves data without modifying state.
Register the Todos MCP server in PolicyLayer and add a rule for List-Due-This-Week: 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 Todos. Nothing to install.
List-Due-This-Week 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-Due-This-Week 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-Due-This-Week. 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-Due-This-Week is provided by the Todos MCP server (tomelliot/todos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Todos, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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11 Todos tools catalogued and risk-classified — across an index of 43,000+ MCP servers.