confirm_user_safe

THE RISK

Medium Risk

Why confirm_user_safe needs a policy

This tool modifies security state by changing a user's risk classification from compromised/unsafe to safe within Microsoft Defender's Identity Protection system. While reversible (can be undone), this is a consequential security configuration change that affects detection rules, alerts, and protective actions applied to that user.

From the tool's definition Tool description states it dismisses user risk in Identity Protection and marks a user as safe. This modifies the security status/risk state of a user account in a security system.

Documented attack patterns abuse exactly the kind of access confirm_user_safe gives an agent:

POLICY

How to control confirm_user_safe

PolicyLayer is an MCP gateway — it sits between your AI agents and Response MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for confirm_user_safe:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "confirm_user_safe": {
      "limits": [
        {
          "counter": "confirm_user_safe_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

confirm_user_safe stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Response MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Response MCP Server tools

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All 23 Response MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about confirm_user_safe

What does the confirm_user_safe tool do? +

Dismiss user risk in Identity Protection (mark as safe). Sets the user. It is categorised as a Write tool in the Response MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on confirm_user_safe? +

Register the Response MCP Server MCP server in PolicyLayer and add a rule for confirm_user_safe: 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 Response MCP Server. Nothing to install.

What risk level is confirm_user_safe? +

confirm_user_safe is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit confirm_user_safe? +

Yes. Add a rate_limit block to the confirm_user_safe 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.

How do I block confirm_user_safe completely? +

Set action: deny in the PolicyLayer policy for confirm_user_safe. 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.

What MCP server provides confirm_user_safe? +

confirm_user_safe is provided by the Response MCP Server MCP server (markolauren/responsemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Response MCP Server tool call.

Start from Response MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →