AI agents call auth-status to retrieve information from Microsoft Todo MCP Service without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves authentication status without side effects, side-effects, or data modification. It is purely informational and fits the 'Read' category for querying system state. The severity is low because misuse would only expose whether the user is authenticated, with minimal blast radius.
From the tool's definition The tool 'auth-status' performs a status check operation, which is a read-only query to determine authentication state. The description is truncated but the name and context indicate it retrieves authentication information without modifying any data.
Documented attack patterns abuse exactly the kind of access auth-status gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Microsoft Todo MCP Service, and nothing reaches the server without passing your rules. This is the rule we recommend for auth-status:
{
"version": "1",
"default": "deny",
"tools": {
"auth-status": {}
}
} auth-status is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Check if you. It is categorised as a Read tool in the Microsoft Todo MCP Service MCP Server, which means it retrieves data without modifying state.
Register the Microsoft Todo MCP Service MCP server in PolicyLayer and add a rule for auth-status: 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 MCP Service. Nothing to install.
auth-status 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 auth-status 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 auth-status. 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.
auth-status is provided by the Microsoft Todo MCP Service MCP server (jhirono/todomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Microsoft Todo MCP Service, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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13 Microsoft Todo MCP Service tools catalogued and risk-classified — across an index of 43,000+ MCP servers.